Basic Information

Email Address

• Email Address

  nagata.koji.2ykyoto-u.ac.jp

Professional Memberships

• International Workshop 2004 on Air-Sea Interactions with Gas Transfer
• The 4th International Conference on Jets, Wakes, and Separated Flows
• International Workshop on Process Intensification 2010
• The 3rd International Conference on Jets, Wakes, and Separated Flows
• ASME-JSME-KSME Joint Fluids Engineering Conference 2011
• 化学工学会
• 日本流体力学会
• 日本機械学会
• The Society of Chemical Engineers, Japan
• The Heat Transfer Society of Japan
• Japan Society of Fluid Mechanics
• The Japan Society of Mechanical Engineers
• The Japan Society for Aeronautical and Space Sciences

Academic Degree

• Mar. 1994

  九州大学修士（工学）
• 24 Nov. 2000

  京都大学博士（工学）

Academic Resume (Graduate Schools)

• 九州大学, 大学院工学研究科化学機械工学専攻博士後期課程, 退学
• 九州大学, 大学院工学研究科化学機械工学専攻修士課程, 修了

Academic Resume (Undergraduate School/Majors)

• 九州大学, 工学部化学機械工学科, 卒業

High School

• High School

  熊本県立熊本高等学校

Research History

• From Apr. 2023, To Present

  Professor, Kyoto University
• From Apr. 2015, To Mar. 2022

  Nagoya University, Graduate School of Engineering Department of Aerospace Engineering Aerodynamics and Propulsion, Professor
• From 01 Apr. 2007, To 31 Mar. 2015

  Nagoya University, Graduate School of Engineering
• From 01 Apr. 2007, To 31 Mar. 2015

  Nagoya University, Graduate School of Engineering Department of Mechanical Science and Engineering, Associate professor
• From 31 Mar. 2007

  Nagoya University, Graduate School of Engineering Department of Mechanical Science and Engineering, Assistant Professor
• From 01 Jun. 2003, To 30 Sep. 2003

  ケンブリッジ大学 文部科学省在外研究員
• From 01 Oct. 2002, To 31 May 2003

  ロンドン大学(UCL) 文部科学省在外研究員

ID,URL

• J-Global ID

  200901021364582230

researchmap URL

• https://researchmap.jp/read0184830

Research

Research Topics, Overview of the research

• Research Topics

  Fundamental and applied research on fluid dynamics, such as turbulence, shockwave, and aerodynamics

• Overview of the research

  機械工学に関連する流体現象について、乱流や衝撃波、空気力学（翼周りの流れなど）を中心に風洞実験と数値計算による研究を行っている。

Research Interests

• Shock Waves
• Turbulent Transport Phenomena
• Fluid Dynamics

Research Areas

• Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Fluid engineering

Papers

• LES/Lagrangian-Particle-Simulation of a Supersonic Reactive Turbulent Planar Jet

  JB Xing; T Watanabe; K Nagata

  JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME, Jul. 2024, Peer-reviewed

  
• Hybrid large eddy simulation and Lagrangian simulation of a compressible turbulent planar jet with a chemical reaction

  JB Xing; T Watanabe; K Nagata

  INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, Jun. 2024, Peer-reviewed

  
• Nearly homogeneous and isotropic turbulence generated by the interaction of supersonic jets

  T Mori; T Watanabe; K Nagata

  EXPERIMENTS IN FLUIDS, Apr. 2024, Peer-reviewed

  
• Turbulence structure of multiscale generated turbulence by fractal grids and scalar transfer mechanism (1st report, DNS on the effect of fractal shapes on turbulent flow field)

  Kouji Nagata; Hiroki Suzuki; Yasuhiko Sakai; Toshiyuki Hayase; Takashi Kubo

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2009

  
• Direct numerical simulation of difference in turbulent diffusion between active and passive scalars in stable stratification

  Satoru Komori; Kouji Nagata

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 1999

  
• Study on the interaction between low-Mach-number grid turbulence and spherical shock wave

  Takuya Kitamura; Kouji Nagata; Yasuhiko Sakai; Akihiro Sasoh; Osamu Terashima

  ETC 2013 - 14th European Turbulence Conference, 2020

  
• Experimental investigation of eddy diffusivity in a reactive liquid jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Yasumasa Ito

  ETC 2013 - 14th European Turbulence Conference, 2020

  
• Mixing and diffusion in regular/fractal grid turbulence

  Yasuhiko Sakai; Koji Nagata; Hiroki Suzuki; Yasumasa Ito

  CISM International Centre for Mechanical Sciences, Courses and Lectures, 2016

  
• Statistical properties of shear and non-shear velocity components in isotropic turbulence and turbulent jets

  R. Enoki; K. Nagata; T. Watanabe

  Physical Review Fluids, 10 Oct. 2023, Peer-reviewed

  
• Appearance of the-5/3 scaling law in spatially intermittent flows with strong vortex shedding

  Y Zhou; K Nagata; Y Ito; Y Sakai; Y Hattori

  PHYSICS OF FLUIDS, Apr. 2023, Peer-reviewed

  
• 超音速シンセティックジェットアクチュエータを用いた乱流生成

  山本 航平; 渡邉 智昭; 長田 孝二

  流体工学部門講演会講演論文集, 2021

  
• Unsteady dissipation scaling of grid turbulence in the near-field region

  Y. Zheng; N. Koto; K. Nagata; T. Watanabe

  Physics of Fluids, 28 Aug. 2023, Peer-reviewed

  Access this paper :

  
• Turbulent/non-turbulent interfaces in equilibrium and non-equilibrium regions in the absence of mean shear

  M. Zecchetto; T. Watanabe; K. Nagata; C. B. da Silva

  International Journal of Heat and Fluid Flow, 01 Oct. 2023, Peer-reviewed

  
• Local geometry of a weak normal shock wave interacting with turbulence

  A. Kusuhata; K. Tanaka; T. Watanabe; K. Nagata; A. Sasoh

  Physics of Fluids, 07 Aug. 2023, Peer-reviewed

  
• Large-eddy simulation of low-Reynolds-number flow around partially porous airfoils

  J. Li; K. Nagata; T. Watanabe

  Journal of Aircraft, 04 Jul. 2023, Peer-reviewed

  
• Large-eddy simulation of a flow generated by a piston-driven synthetic jet actuator

  P. D. Tung; T. Watanabe; K. Nagata

  CFD Letters, 23 Jun. 2023, Peer-reviewed

  
• Reynolds number dependence of the turbulent/non-turbulent interface in temporally developing turbulent boundary layers

  X. Zhang; T. Watanabe; K. Nagata

  Journal of Fluid Mechanics, 26 May 2023, Peer-reviewed

  
• The response of small-scale shear layers to perturbations in turbulence

  T. Watanabe; K. Nagata

  Journal of Fluid Mechanics, 25 May 2023, Peer-reviewed

  
• Turbulent/turbulent interfacial layers of a shearless turbulence mixing layer in temporally evolving grid turbulence

  K. Nakamura; T. Watanabe; K. Nagata

  Physics of Fluids, 04 Apr. 2023, Peer-reviewed

  
• Unsteady dissipation scaling in static and active grid turbulence

  Y. Zheng; K. Nakamura; K. Nagata; T. Watanabe

  Journal of Fluid Mechanics, 06 Feb. 2023, Peer-reviewed

  
• Large- and small-scale characteristics in a temporally developing shearless turbulent mixing layer

  K. Nakamura; T. Matsushima; Y. Zheng; K. Nagata; T. Watanabe

  Physics of Fluids, 01 Nov. 2022, Peer-reviewed

  
• Energetics and vortex structures near small-scale shear layers in turbulence

  T. Watanabe; K. Nagata

  Physics of Fluids, 01 Sep. 2022, Peer-reviewed

  
• The decay of stably stratified grid turbulence in a viscosity-affected stratified flow regime

  T. Watanabe; Y. Zheng; K. Nagata

  Journal of Fluid Mechanics, 01 Aug. 2022, Peer-reviewed

  
• Diaphragmless shock tube with multiple air-operated valves

  K. Inokuma; T. Maeda; T. Watanabe; K. Nagata

  Experiments in Fluids, 01 Aug. 2022, Peer-reviewed

  
• Vertical confinement effects on a fully developed turbulent shear layer

  T. Akao; T. Watanabe; K. Nagata

  Physics of Fluids, 01 May 2022, Peer-reviewed

  
• Experimental and numerical investigation of compressibility effects on velocity derivative flatness in turbulence

  K. Yamamoto; T. Ishida; T. Watanabe; K. Nagata

  Physics of Fluids, 01 May 2022, Peer-reviewed

  
• Turbulence generated by an array of opposed piston-driven synthetic jet actuators

  K. Yamamoto; T. Watanabe; K. Nagata

  Experiments in Fluids, 01 Jan. 2022, Peer-reviewed

  
• Turbulent characteristics and energy transfer in the far field of active-grid turbulence

  Y. Zheng; K. Nagata; T. Watanabe

  Physics of Fluids, 01 Nov. 2021, Peer-reviewed

  
• Large-scale characteristics of a stably stratified turbulent shear layer

  T. Watanabe; K. Nagata

  Journal of Fluid Mechanics, 01 Sep. 2021, Peer-reviewed

  
• Solenoidal linear forcing for compressible, statistically steady, homogeneous isotropic turbulence with reduced turbulent Mach number oscillation

  T. Watanabe; K. Tanaka; K. Nagata

  Physics of Fluids, Sep. 2021

  
• Experimental study on shock wave modulation caused by velocity and temperature fluctuations in cylinder wake

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Physical Review Fluids, 01 Jun. 2021, Peer-reviewed

  
• Characteristics of small-scale shear layers in a temporally evolving turbulent planer jet

  M. Hayashi; T. Watanabe; K. Nagata

  Journal of Fluid Mechanics, 01 Jun. 2021, Peer-reviewed

  
• Statistical properties of a model of a turbulent patch arising from a breaking internal wave

  T. Katagiri; T. Watanabe; K. Nagata

  Physics of Fluids, 01 May 2021, Peer-reviewed

  
• The relation between shearing motions and the turbulent/non-turbulent interface in a turbulent planar jet

  M. Hayashi; T. Watanabe; K. Nagata

  Physics of Fluids, 01 May 2021, Peer-reviewed

  
• Multi-particle models of molecular diffusion for Lagrangian simulation coupled with LES for passive scalar mixing in compressible turbulence

  Y. Tai; T. Watanabe; K. Nagata

  Computers and Fluids, 01 May 2021, Peer-reviewed

  
• Energy dissipation and enstrophy production/destruction at very low Reynolds numbers in the final stage of the transition period of decay in grid turbulence

  Y. Zheng; K. Nagata; T. Watanabe

  Physics of Fluids, 01 Mar. 2021, Peer-reviewed

  
• Wavelet analysis of shearless turbulent mixing layer

  T. Matsushima; K. Nagata; T. Watanabe

  Physics of Fluids, 01 Feb. 2021, Peer-reviewed

  
• Scale-by-scale kinetic energy budget near the turbulent/non-turbulent interface

  T. Watanabe; C. B; da Silva; K. Nagata

  Physical Review Fluids, 01 Dec. 2020, Peer-reviewed

  
• Budgets of Turbulent Kinetic Energy and Reynolds Normal Stresses in Coaxial Jets with and Without Swirl: A Numerical Study

  P. A. Kadua; Y. Sakai; Y. Ito; K. Iwano; M. Sugino; T. Katagiri; T. Hayase; K. Nagata

  Journal of Energy and Environmental Sustainability, Oct. 2020, Peer-reviewed

  
• Scale-by-Scale Energy Transfer in a Dual-Plane Jet Flow

  K. Hao; K. Nagata; Y. Zhou

  Physics of Fluids, Oct. 2020, Peer-reviewed

  
• Statistical Analysis of Deformation of a Shock Wave Propagating in a Local Turbulent Region

  K. Tanaka; T. Watanabe; K. Nagata

  Physics of Fluids, Sep. 2020, Peer-reviewed

  
• Energy Transfer in Turbulent Flows behind Two Side-by-Side Square Cylinders

  Y. Zhou; K. Nagata; Y. Sakai; T. Watanabe; Y. Ito; T. Hayase

  Journal of Fluid Mechanics, Sep. 2020, Peer-reviewed

  
• Characteristics of Shearing Motions in Incompressible Isotropic Turbulence

  T. Watanabe; K. Tanaka; K. Nagata

  Physical Review Fluids, Jul. 2020, Peer-reviewed

  
• Color contamination correction based on light intensity correlation in two-color, double-exposure particle tracking velocimetry

  K. Aruga; T. Watanabe; K. Nagata

  Experiments in Fluids, Apr. 2020, Peer-reviewed

  
• Triple Decomposition of Velocity Gradient Tensor in Homogeneous Isotropic Turbulence

  R. Nagata; T. Watanabe; K. Nagata; Carlos B. da Silva

  Computers and Fluids, Feb. 2020, Peer-reviewed

  
• Implicit Large Eddy Simulation of Passive Scalar Transfer in Compressible Planar Jet

  Y. Tai; T. Watanabe; K. Nagata

  International Journal for Numerical Methods in Fluids, 2020, Peer-reviewed

  
• Application of spectral proper orthogonal decomposition to velocity and passive scalar fields in a swirling coaxial jet

  Pravin Ananta Kadu; Yasuhiko Sakai; Yasumasa Ito; Koji Iwano; Masatoshi Sugino; Takahiro Katagiri; Toshiyuki Hayase; Koji Nagata

  Physics of Fluids, 01 Jan. 2020, Peer-reviewed

  
• Experimental investigation of interactions between turbulent cylinder wake and spherical shock wave

  K. Aruga; K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Physics of Fluids, Dec. 2019, Peer-reviewed

  
• DNS Study on Large-Scale and Small-Scale Flow Structures of Stably-Stratified Shear Layers

  T. Watanabe; J. J. Riley; K. Nagata; K. Matsuda; R. Onishi

  Abstract of 17th European Turbulence Conference (ETC17), Sep. 2019, Peer-reviewed

  
• Direct Numerical Simulations on Effects of Turbulent Mach Number in Interaction between Planar Shock Wave and Turbulence

  K. Tanaka; T. Watanabe; K. Nagata

  Abstract of 17th European Turbulence Conference (ETC17), Sep. 2019, Peer-reviewed

  
• Multi-Point Velocity Measurements in Grid Turbulence Interacted with a Spherical Shock Wave

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Abstract of 17th European Turbulence Conference (ETC17), Sep. 2019, Peer-reviewed

  
• Implicit Large Eddy Simulations of Supersonic and Subsonic Planar Jets with Explicit Filtering Scheme

  Y.Tai; T. Watanabe; K. Nagata

  Extended Abstract of The 7th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2019), Sep. 2019, Peer-reviewed

  
• Multi-Particle Model of Coarse-Grained Scalar Dissipation Rate with Volumetric Tensor in Turbulence

  S. Tanaka; T. Watanabe; K. Nagata

  Extended Abstract of The 7th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2019), Sep. 2019, Peer-reviewed

  
• Hairpin Vortices and Highly Elongated Flow Structures in a Stably-Stratified Shear Layer

  T. Watanabe; J. Riley; K. Nagata; K. Matsuda; R. Onishi

  Journal of Fluid Mechanics, Sep. 2019, Peer-reviewed

  
• Direct Numerical Simulation of Incompressible Turbulent Boundary Layers and Planar Jets at High Reynolds Numbers Initialized with Implicit Large Eddy Simulation

  T. Watanabe; X. Zhang; K. Nagata

  Computers and Fluids, Sep. 2019, Peer-reviewed

  
• LES/Lagrangian-Particle Simulation of Turbulent Mixing with Multi-Particle Mixing Model

  S. Tanaka; T. Watanabe; K. Nagata

  Extended Abstract of The 7th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2019), Sep. 2019, Peer-reviewed

  
• Statistics of Overpressure Fluctuations behind a Weak Shock Wave Interacted with Turbulence

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Physics of Fluids, Aug. 2019, Peer-reviewed

  
• Effects of Temperature Fluctuation on Shock Wave Modulation in Shock-Turbulence Interaction

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Proc. of 32nd International Symposium on Shock Waves (ISSW32), Jul. 2019, Peer-reviewed

  
• Effects of Turbulence Compressibility on Normal Shock Wave in Shock Turbulence Interactions

  K. Tanaka; T. Watanabe; K. Nagata

  Proc. of 32nd International Symposium on Shock Waves (ISSW32), Jul. 2019, Peer-reviewed

  
• Direct Numerical Simulation of Temporally Developing Grid Turbulence

  T. Watanabe; K. Nagata

  Proc. of 11th International Symposium on Turbulence and Shear Flow Phenomena (TSFP11), Jul. 2019, Peer-reviewed

  
• Extreme Events and Non-Kolmogorov -5/3 Spectra in Turbulent Flows behind Two Side-by-Side Square Cylinders

  Y. Zhou; K. Nagata; Y. Sakai; T. Watanabe

  Journal of Fluid Mechanics, Jul. 2019, Peer-reviewed

  
• Non-Dimensional Energy Dissipation Rate near the Turbulent/Non-Turbulent Interfacial Layer in Free Shear Flows and Shear Free Turbulence

  T. Watanabe; C. B. da Silva; K. Nagata

  Journal of Fluid Mechanics, Jul. 2019, Peer-reviewed

  
• Numerical Investigation of Passive Scalar Transport and Mixing in a Turbulent Unconfined Coaxial Swirling Jet

  P. A. Kadu; Y. Sakai; Y. Ito; K. Iwano; M. Sugino; T. Katagiri; K. Nagata

  International Journal of Heat and Mass Transfer, Jul. 2019, Peer-reviewed

  
• Multi-Particle Model of Coarse-Grained Scalar Dissipation Rate with Volumetric Tensor in Turbulence

  S. Tanaka; T. Watanabe; K. Nagata

  Journal of Computational Physics, Jun. 2019, Peer-reviewed

  
• Overpressure Fluctuation behind Spherical Shock Wave Propagating in Grid-generated Turbulence

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Abstract of AIAA SciTech Forum and Exposition, Jan. 2019, Peer-reviewed

  
• Passive Scalar Mixing near Turbulent/Non-Turbulent Interface in Compressible Turbulent Boundary Layers

  X. Zhang; T. Watanabe; K. Nagata

  Physica Scripta, Jan. 2019, Peer-reviewed

  
• Statistical Properties of Spherical Shock Waves Propagating through Grid Turbulence, Turbulent Cylinder Wake, and Laminar Flow

  K. Inokuma; T. Watanabe; K. Nagata; Y. Sakai

  Physica Scripta, Jan. 2019, Peer-reviewed

  
• Dual-Plane Turbulent Jets and their Non-Gaussian Velocity Fluctuations

  Y. Zhou; K. Nagata; Y. Sakai; T. Watanabe

  Physical Review Fluids, Dec. 2018, Peer-reviewed

  
• Influence of Compressibility on Turbulent/Non-Turbulent Interface in Supersonic Planar Jet

  R. Nagata; T. Watanabe; K. Nagata

  Proc. of the 15th International Conference on Flow Dynamics (ICFD2018), Nov. 2018, Peer-reviewed

  
• Turbulent/Non-Turbulent Interfaces in Temporally-Evolving Compressible Planar Jets

  R. Nagata; T. Watanabe; K. Nagata

  Physics of Fluids, Oct. 2018, Peer-reviewed

  
• Integral Invariants and Decay of Temporally Developing Grid Turbulence

  T. Watanabe; K. Nagata

  Physics of Fluids, Oct. 2018, Peer-reviewed

  
• Turbulent/Non-Turbulent Interfaces in High Resolution Direct Numerical Simulation of Temporally-Evolving Compressible Turbulent Boundary Layers

  X. Zhang; T. Watanabe; K. Nagata

  Physical Review Fluids, Sep. 2018, Peer-reviewed

  
• A localized turbulent mixing layer in a uniformly stratified environment

  Tomoaki Watanabe; James J. Riley; Koji Nagata; Ryo Onishi; Keigo Matsuda

  Journal of Fluid Mechanics, 25 Aug. 2018, Peer-reviewed

  
• Mixing Volume Model for Molecular Diffusion and Thermal Conduction in Compressible Turbulence

  Y. Tai; T. Watanabe; K. Nagata

  Proc. of 10th International Conference on Computational Fluid Dynamics (ICCFD10), Jul. 2018, Peer-reviewed

  
• Supersonic piston synthetic jets with single/multiple orifice

  Hiroyuki Sakakibara; Tomoaki Watanabe; Koji Nagata

  Experiments in Fluids, 01 May 2018, Peer-reviewed

  
• Turbulent/non-turbulent interfaces detected in DNS of incompressible turbulent boundary layers

  T. Watanabe; X. Zhang; K. Nagata

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Amplification and attenuation of shock wave strength caused by homogeneous isotropic turbulence

  K. Tanaka; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai; T. Hayase

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Modeling of molecular diffusion and thermal conduction with multi-particle interaction in compressible turbulence

  Y. Tai; T. Watanabe; K. Nagata

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Gradients estimation from random points with volumetric tensor in turbulence

  Tomoaki Watanabe; Koji Nagata

  JOURNAL OF COMPUTATIONAL PHYSICS, Dec. 2017, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control (Cases of inhomogeneous, anisotropic and compressible turbulence)

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Watanabe; T. Hayase; K. Takamure; K. Tanaka; S. Nagaya

  Proc. of the 17th International Symposium on Advanced Fluid Information (AFI-2017), Nov. 2017

  
• Turbulent entrainment across turbulent-nonturbulent interfaces in stably stratified mixing layers

  T. Watanabe; J. J. Riley; K. Nagata

  PHYSICAL REVIEW FLUIDS, Oct. 2017, Peer-reviewed

  
• Role of an isolated eddy near the turbulent/non-turbulent interface layer

  T. Watanabe; R. Jaulino; R. R. Taveira; C. B. da Silva; K. Nagata; Y. Sakai

  PHYSICAL REVIEW FLUIDS, Sep. 2017, Peer-reviewed

  
• Scaling of the Non-Dimensional Dissipation Rate C_epsilon Near Turbulent/Non-Turbulent Interfaces

  T. Watanabe; C. B. da Silva; K. Nagata

  Proc. of the 16th European Turbulence Conference, Aug. 2017, Peer-reviewed

  
• Passive Scalar Mixing in Temporally Developing Grid Turbulence

  T. Watanabe; K. Nagata

  Abstract of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Interaction between Spherical Shock Wave and Turbulent Cylinder Wake

  K. Inokuma; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai

  Abstract of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Entrainment and Scalar Mixing Process Near Turbulent/Non-Turbulent Interface In Compressible Boundary Layers

  X. Zhang; T. Watanabe; K. Nagata

  Proc. of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Geometrical aspects of turbulent/non-turbulent interfaces with and without mean shear

  Tomoaki Watanabe; Carlos B. da Silva; Koji Nagata; Yasuhiko Sakai

  PHYSICS OF FLUIDS, Aug. 2017, Peer-reviewed

  
• Kinetic Energy Distribution in the Space of Scales Near Turbulent/Non-Turbulent Interfaces

  T. Watanabe; C. B. da Silva; K. Nagata

  Proc. of the Euromech Symposium 590: Turbulent/Nonturbulent Interfaces, Jul. 2017

  
• Direct Numerical Simulations of Interaction between Planar Shock Wave and Homogeneous Isotropic Turbulence at Low Turbulent Mach Number

  K. Tanaka; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai; T. Hayase

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Measurement of Velocity Fluctuations and Overpressure of Spherical Shock Wave in Grid Turbulence

  K. Inokuma; S. Nishio; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Experimental Study on Grid Turbulence Interacting with a Spherical Shock Wave

  Y. Ito; Y. Ato; S. Sakai; K. Iwano; K. Nagata; A. Sasoh

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Analysis and Application of Decaying Turbulence with Initial Fractal Geometry

  Hiroki Suzuki; Shinsuke Mochizuki; Yasuhiko Sakai; Koji Nagata

  INTECH, 14 Jun. 2017, Peer-reviewed

  
• Changes in divergence-free grid turbulence interacting with a weak spherical shock wave

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; Y. Ito

  PHYSICS OF FLUIDS, Jun. 2017, Peer-reviewed

  
• Finite response time of shock wave modulation by turbulence

  Kento Inokuma; Tomoaki Watanabe; Koji Nagata; Akihiro Sasoh; Yasuhiko Sakai

  PHYSICS OF FLUIDS, May 2017, Peer-reviewed

  
• Experimental study on the flow structure and sound generation between the blades of multi-blade fan

  Koji IWANO; Yusuke GOTO; Yuya FUKAO; Yasuhiko SAKAI; Yasumasa ITO; Koji NAGATA; Masaharu SAKAI; Toshinori OCHIAI; Shuzo ODA

  Transactions of the JSME (in Japanese), Apr. 2017, Peer-reviewed

  
• Modification of hemodynamics in basilar artery aneurysm by the single and Y stent placement

  Tatsuya Matsuda; Yasumasa Ito; Kohei Masunaga; Yasuhiko Sakai; Keiko Irie; Koji Iwano; Koji Nagata

  TECHNOLOGY AND HEALTH CARE, 2017, Peer-reviewed

  
• Effects of grid geometry on non-equilibrium dissipation in grid turbulence

  Koji Nagata; Teppei Saiki; Yasuhiko Sakai; Yasumasa Ito; Koji Iwano

  PHYSICS OF FLUIDS, Jan. 2017, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control (Cases of Mixing Layer, Grid Turbulence and Jet)

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Watanabe; T. Hayase; K. Takamure; M. Li

  Proc. of the 16th International Symposium on Advanced Fluid Information (AFI-2016), Oct. 2016

  
• Multi-particle dispersion during entrainment in turbulent free-shear flows

  Tomoaki Watanabe; Carlos B. da Silva; Koji Nagata

  JOURNAL OF FLUID MECHANICS, Oct. 2016, Peer-reviewed

  
• Rapid distortion theory analysis on the interaction between homogeneous turbulence and a planar shock wave

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; Y. Ito

  JOURNAL OF FLUID MECHANICS, Sep. 2016, Peer-reviewed

  
• Mixing in a Turbulent Multiscale Flow

  P. Baj; Y. Ito; K. Nagata; Y. Sakai; P. J. K. Bruce; O. R; H. Buxton

  Proc. of the 24th ICTAM, Aug. 2016

  
• LES-Lagrangian-Particles-Simulation of Turbulent Reactive Flows at High Sc Number Using Approximate Deconvolution Model

  T. Watanabe; K. Nagata

  AICHE JOURNAL, Aug. 2016, Peer-reviewed

  
• Effects of stable stratification on turbulent/nonturbulent interfaces in turbulent mixing layers

  T. Watanabe; J. J. Riley; K. Nagata

  PHYSICAL REVIEW FLUIDS, Aug. 2016, Peer-reviewed

  
• Mixing model with multi-particle interactions for Lagrangian simulations of turbulent mixing

  T. Watanabe; K. Nagata

  PHYSICS OF FLUIDS, Aug. 2016, Peer-reviewed

  
• Implicit large eddy simulation of a scalar mixing layer in fractal grid turbulence

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  PHYSICA SCRIPTA, Jul. 2016, Peer-reviewed

  
• Turbulent mixing of a passive scalar in grid turbulence

  Y. Ito; T. Watanabe; K. Nagata; Y. Sakai

  PHYSICA SCRIPTA, Jul. 2016, Peer-reviewed

  
• Simultaneous measurement of velocity and pressure near the turbulent/non-turbulent interface of a planar turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Kazuhiro Onishi; Yuichi Shouji

  Experimental Thermal and Fluid Science, 01 Jul. 2016, Peer-reviewed

  
• Study on control of axisymmetric jet by half delta-wing shaped vortex generators (Part 2: Evaluation of statistics on the thermal field)

  Kensuke MIURA; Yasumasa ITO; Yasuhiko SAKAI; Koji IWANO; Koji NAGATA

  Transactions of the JSME (in Japanese), Jun. 2016, Peer-reviewed

  
• Spatial evolution of the helical behavior and the 2/3 power-law in single-square-grid-generated turbulence

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  FLUID DYNAMICS RESEARCH, Apr. 2016, Peer-reviewed

  
• Large eddy simulation study of turbulent kinetic energy and scalar variance budgets and turbulent/non-turbulent interface in planar jets

  Tomoaki Watanabe; Yasuhiko Sakai; Koji Nagata; Yasumasa Ito

  FLUID DYNAMICS RESEARCH, Apr. 2016, Peer-reviewed

  
• Lagrangian properties of the entrainment across turbulent/non-turbulent interface layers

  Tomoaki Watanabe; Carlos B. da Silva; Yasuhiko Sakai; Koji Nagata; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Mar. 2016, Peer-reviewed

  
• Enstrophy production and dissipation in developing grid-generated turbulence

  Yi Zhou; Koji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Feb. 2016, Peer-reviewed

  
• Enhancement of Turbulent Diffusion in an Axisymmetric Jet by Vortex Generators

  Mamoru Takahashi; Kensuke Miura; Yasuhiko Sakai; Yasumasa Ito; Koji Iwano; Koji Nagata

  PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON JETS, WAKES AND SEPARATED FLOWS (ICJWSF2015), 2016, Peer-reviewed

  
• Dynamics and geometry of developing planar jets based on the invariants of the velocity gradient tensor

  Wu Nan-nan; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito

  JOURNAL OF HYDRODYNAMICS, Dec. 2015, Peer-reviewed

  
• On the turbulent energy transport related to the coherent structures in a planar jet

  Osamu Terashima; Yasuhiko Sakai; Yusuke Goto; Kazuhiro Onishi; Kouji Nagata; Yasumasa Ito

  Experimental Thermal and Fluid Science, 01 Nov. 2015, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Hayase; T. Watanabe; Y. Zhou

  Proc. of the 15th International Symposium on Advanced Fluid Information (AFI-2015), Oct. 2015

  
• Measurement of the Wall Shear Stress by the Micro Hot-film Sensor in Wall Jet

  K. Iwano; S. Muramatsu; Y. Sakai; Y. Ito; K. Nagata

  Proceedings of 12th International Conference on Flow Dynamics (ICFD2015), Oct. 2015

  
• Relation between Enstrophy Production and Geometry Near the Turbulent/Non-Turbulent Interface in Free Shear Flows

  T. Watanabe; C. B. da Silva; Y. Sakai; K. Nagata

  Proceedings of the 15th European Turbulence Conference, Aug. 2015, Peer-reviewed

  
• 半デルタ翼形状を有するボルテックスジェネレータによる軸対称噴流の制御に関する研究（第1 報：速度場の統計量による評価）

  三浦健介; 伊藤靖仁; 酒井康彦; 岩野耕治; 長田孝二

  日本機械学会論文集, Aug. 2015, Peer-reviewed

  
• LES-Lagrangian particle method for turbulent reactive flows based on the approximate deconvolution model and mixing model

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  JOURNAL OF COMPUTATIONAL PHYSICS, Aug. 2015, Peer-reviewed

  
• Turbulent mixing of passive scalar near turbulent and non-turbulent interface in mixing layers

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Aug. 2015, Peer-reviewed

  
• On the evolution of the invariants of the velocity gradient tensor in single-square-grid-generated turbulence

  Yi Zhou; Koji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Jul. 2015, Peer-reviewed

  
• On the velocity and pressure statistics during the flapping motion in a planar turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Kazuhiro Onishi; Yuichi Shouji

  International Journal of Heat and Fluid Flow, 01 Jun. 2015, Peer-reviewed

  
• Conditional statistics in a planar liquid jet with a second-order chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Takashi Kubo

  International Journal of Heat and Mass Transfer, Apr. 2015, Peer-reviewed

  
• Mixing and chemical reaction at high Schmidt number near turbulent/nonturbulent interface in planar liquid jet

  T. Watanabe; T. Naito; Y. Sakai; K. Nagata; Y. Ito

  PHYSICS OF FLUIDS, Mar. 2015, Peer-reviewed

  
• Effects of the cylinder wake in a freestream on joint velocity statistics of a turbulent boundary layer

  TAKIZAKI Takao; HIRUTA Kousuke; NAGATA Kouji; SAKAI Yasuhiko; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, Jan. 2015, Peer-reviewed

  
• Development of a PIV System and a Measurement of Grid-Generated Turbulence

  SUZUKI Hiroki; NAGATA Koji; SAKAI Yasuhiko

  Journal of the Visualization Society of Japan, 2015

  
• 反応を伴う液相二次元噴流の乱流･非乱流界面近傍での速度･濃度統計量に関する研究

  内藤尭啓; 渡邉智昭; 酒井康彦; 長田孝二; 伊藤靖仁

  日本流体力学会誌 ながれ, Jan. 2015, Invited

  
• Statistics near the Turbulent/Non-Turbulent Interfaces in an Axisymmetric Jet Influenced by Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; Y. Ito; M. Takahashi

  Proc. of the 5th TSME International Conference on Mechanical Engineering, Dec. 2014, Peer-reviewed

  
• Promotion of Chemical Reactions by a Grid in a Shear Mixing Layer

  Yasumasa Ito; Yasuhiko Sakai; Kouji Nagata

  CHEMICAL ENGINEERING & TECHNOLOGY, Dec. 2014, Peer-reviewed

  
• Experimental verification of the turbulence models for the pressure diffusion process in a turbulent plane jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Kazuhiro Onishi

  International Journal of Mechanical Sciences, Dec. 2014, Peer-reviewed

  
• Control of Axisymmetric Jet by Vortex Generators

  M. Takahashi; K. Miura; K. Nagata; Y. Sakai; Y. Ito

  Proc. of the 6th International Conference on Vortex Flows and Vortex Models (ICVFM Nagoya 2014), Nov. 2014, Peer-reviewed

  
• Experimental study on the reaction rate of a second-order chemical reaction in a planar liquid jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  AIChE Journal, 01 Nov. 2014, Peer-reviewed

  
• Vortex stretching and compression near the turbulent/non-turbulent interface in a planar jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  JOURNAL OF FLUID MECHANICS, Nov. 2014, Peer-reviewed

  
• Effects of External Disturbances on Spatial Development of Turbulence and toward the Control of Thermo-Fluid Dynamics (Cases of Boundary Layer, Wake, and Jet)

  Y. Sakai; K. Nagata; Y. Ito; T. Hayase; S. Xia; Y. Zhou; T. Watanabe; A. Sasoh; N. Wu; K. Takeuchi

  Proc. of the 14th International Symposium on Advanced Fluid Information, Oct. 2014

  
• Heat Transfer in a Developing Region of a Boundary Layer Affected by a Wake of a Square Bar

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; T. Hayase

  Proc. of the 11th International Conference on Flow Dynamics, Oct. 2014

  
• The Helical Behavior of the Single-Square Grid-Generated Turbulence

  Y. Zhou; K. Nagata; Y. Sakai; Y. Ito; T. Hayase

  Proc. of the 11th International Conference on Flow Dynamics, Oct. 2014

  
• Reactive scalar field near the turbulent/non-turbulent interface in a planar jet with a second-order chemical reaction

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Oct. 2014, Peer-reviewed

  
• Enstrophy and passive scalar transport near the turbulent/non-turbulent interface in a turbulent planar jet flow

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Oct. 2014, Peer-reviewed

  
• Concentration Measurement in a Planar Liquid Jet with a Chemical Reaction by Using the Improved Concentration Measurement System Based on the Light Absorption Method

  T. Naito; T. Watanabe; Y. Sakai; K. Nagata; Y. Ito

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Numerical Study on a Boundary Layer with Heat Transfer Affected by a Wake of a Square Bar

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; T. Hayase

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• On the Measurement of Wall Shear Stress with a Patch-Type Micro-Fabricated Hot-Film Sensor

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; Y. Ito; S. Muramatsu

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Experimental Study on the Schmidt Number Dependence of the Scalar Derivative Statistics in a Liquid Axisymmetric Jet

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito; M. Yokoi

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Measurement of Wall Shear Stress Fluctuation with the Micro-Fabricated Hot-film Sensor in a Boundary Layer of a Wall Jet

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; S. Muramatsu; Y. Ito

  Journal of the Japanese Society for Experimental Mechanics, Sep. 2014, Peer-reviewed

  
• Study on the Concentration Measurement in a Liquid Jet by the Optical Fiber LIF Method

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito

  Journal of the Japanese Society for Experimental Mechanics, Sep. 2014, Peer-reviewed

  
• Statistical behavior of post-shock overpressure past grid turbulence

  Akihiro Sasoh; Tatsuya Harasaki; Takuya Kitamura; Daisuke Takagi; Shigeyoshi Ito; Atsushi Matsuda; Kouji Nagata; Yasuhiko Sakai

  SHOCK WAVES, Sep. 2014, Peer-reviewed

  
• Turbulent Schmidt number and eddy diffusivity change with a chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  Journal of Fluid Mechanics, Sep. 2014, Peer-reviewed

  
• Wavelet analysis of coherent vorticity near the turbulent/non-turbulent interface in a turbulent planar jet

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Sep. 2014, Peer-reviewed

  
• Turbulent Mixing of a Passive Scalar in Grid Turbulence

  Y. Ito; T. Watanabe; K. Nagata; Y. Sakai

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2014

  
• Implicit Large Eddy Simulation of a Scalar Mixing Layer in Fractal-Grid Generated Turbulence

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2014

  
• Control of Momentum and Heat Transport in a Heated Axisymmetric Jet by Means of Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 15th International Heat Transfer Conference (IHTC-15), Aug. 2014, Peer-reviewed

  
• 反応を伴う液相二次元噴流における乱流・非乱流界面近傍の条件付統計量

  内藤尭啓; 渡邉智昭; 酒井康彦; 長田孝二; 伊藤靖仁

  日本機械学会論文集(B編), Aug. 2014, Peer-reviewed

  
• Influence of Reynolds Number on Coherent Structure, Flow Transition and Evolution of Plane Jet

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Jul. 2014, Peer-reviewed

  
• Scalar Mixing near Turbulence-Generating Grids

  T(omoyuki). Watanabe; Y. Ito; K. Nagata; Y. Sakai

  Proc. of the 16th International Symposium on Flow Visualization (ISFV16), Jun. 2014, Peer-reviewed

  
• PLIF法計測による統計分布に及ぼす時間変化/変動ノイズの影響予測（量子収率の時間変化・励起光強度・カメラゲイン変動の影響予測式と実験的検証）

  鈴木博貴; 長田孝二; 酒井康彦; 長谷川豊; 牛島達夫

  日本機械学会論文集(B編), May 2014, Peer-reviewed

  
• Simultaneous measurement of all three velocity components and pressure in a plane jet

  Osamu Terashima; Kazuhiro Onishi; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito

  Measurement Science and Technology, May 2014, Peer-reviewed

  
• The effects of inflow conditions on reactive-diffusive mechanism in a shear mixing layer at low Reynolds number

  Yasumasa Ito; Kouji Nagata; Yasuhiko Sakai; Osamu Terashima

  Experimental Thermal and Fluid Science, May 2014, Peer-reviewed

  
• Development of turbulence behind the single square grid

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Hiroki Suzuki; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Apr. 2014, Peer-reviewed

  
• DNS Study on the Development of Boundary Layer with Heat Transfer under the Effects of External and Internal Disturbances

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Mar. 2014, Peer-reviewed

  
• Improvement of the constant temperature anemometer and measurement of energy spectra in a turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kazuhiro Onishi; Kouji Nagata; Yasumasa Ito; Kensuke Miura

  Flow Measurement and Instrumentation, Mar. 2014, Peer-reviewed

  
• 乱流非乱流界面近傍の反応場に関する研究

  内藤尭啓; 渡邉智昭; 酒井康彦; 長田孝二; 伊藤靖仁; 寺島修

  日本機械学会ニューズレター流れ, Feb. 2014, Invited

  
• Investigation of the turbulent energy transport in a plane turbulent jet by applyning POD-LSE complementary method

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  Transactions of the JSME (in Japanese), 2014, Peer-reviewed

  
• DNS of turbulent Schmidt number and eddy diffusivity for reactive concentrations

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa; HAYASE Toshiyuki

  Transactions of the JSME (in Japanese), 2014, Peer-reviewed

  
• On invariants in grid turbulence at moderate Reynolds numbers

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; O. Terashima; H. Saito; T. Harasaki

  Journal of Fluid Mechanics, 2014, Peer-reviewed

  
• Relevance of turbulence behind the single square grid to turbulence generated by regular- and multiscale-grids

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Hiroki Suzuki; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  Physics of Fluids, 2014, Peer-reviewed

  
• In-Situ Concentration Measurement of Zincade Ion near Zinc Anode

  K. Haginosaki; Y. Ito; T. Mitsuhashi; Y. Sakai; K. Nagata; O. Terashima; T. Ujihara; M. Shikida; H. Hida

  Proc. of the International Symposium on EcoTopia Science '13 (ISETS'13), Dec. 2013, Peer-reviewed

  
• Measurement of Wall Shear Stress by Using Micro-Fabricated Hot Film and Floating-Element Sensors

  O. Terashima; T. Sawada; Y. Sakai; K. Nagata; H. Hida; M. Shikida

  Journal of the Japanese Society for Experimental Mechanics, Dec. 2013, Peer-reviewed

  
• Direct numerical simulation of fractal-generated turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Fluid Dynamics Research, Dec. 2013, Peer-reviewed

  
• Aeroacoustic Measurement with Combined Proper Orthogonal Decomposition Analysis

  TERASHIMA OSAMU; WATANABE TOORU; MORITA KIYOSHI; ABE YUKINOBU; SAKAI YASUHIKO; NAGATA KOJI; ONISHI KAZUHIRO

  日本機械学会論文集 B編(Web), Dec. 2013, Peer-reviewed

  
• Experimental Study on a Reaction Rate in a Reactive Liquid Jet

  WATANABE TOMOAKI; SAKAI YASUHIKO; NAGATA KOJI; TERASHIMA OSAMU

  日本機械学会論文集 B編(Web), Dec. 2013, Peer-reviewed

  
• Study on the Concentration Measurement in the Fine Scale Region in a Liquid Jet by the Optical Fiber LIF Method

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito; T(omoaki). Watanabe

  Proc. of the 8th International Symposium on Advanced Science and Technology in Experimental Mechanics (8th ISEM '13-Sendai), Nov. 2013, Peer-reviewed

  
• Measurements of Wall Shear Stress Fluctuation with the Micro-Fabricated Hot-Film Sensor in a Boundary Layer of Wall Jet

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; H. Hida; Y. Ito

  Proc. of the 8th International Symposium on Advanced Science and Technology in Experimental Mechanics (8th ISEM '13-Sendai), Nov. 2013, Peer-reviewed

  
• DNS Study on Boundary Layer with Heat Transfer affected by Disturbances Created by a Grid and Small Cubes

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 10th International Conference on Flow Dynamics (ICFD), Nov. 2013

  
• Reynolds-Number Dependency of Budget of Kinetic Energy and Turbulence Structure in Plane Jet

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 10th International Conference on Flow Dynamics (ICFD), Nov. 2013

  
• Effects of External Disturbances on Spatial Development of Turbulence and toward the Control of Thermo-Fluid Dynamics (Cases of Boundary Layer and Jets)

  K. Nagata; Y. Sakai; T. Hayase; O. Terashima; N. Wu; S. Xia; T. Watanabe; Y. Ito; Y. Zhou; A. Sasoh

  Proc. of the 13th International Symposium on Advanced Fluid Information (AFI-2013), Nov. 2013

  
• Momentum and mass transfer in developing liquid shear mixing layers

  Yasumasa Ito; Kouji Nagata; Yasuhiko Sakai; Osamu Terashima

  Experimental Thermal and Fluid Science, Nov. 2013, Peer-reviewed

  
• Numerical Simulation of Reactive Planar Jet by Combining the Probability Density with Direct Numerical Simulation

  WATANABE TOMOAKI; SAKAI YASUHIKO; NAGATA KOJI; TERASHIMA OSAMU; ITO YASUMASA; HAYASE TOSHIYUKI

  日本機械学会論文集 B編(Web), Nov. 2013, Peer-reviewed

  
• An attempt to improve accuracy of higher-order statistics and spectra in direct numerical simulation of incompressible wall turbulence by using the compact schemes for viscous terms

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  International Journal for Numerical Methods in Fluids, 30 Oct. 2013, Peer-reviewed

  
• Scalar Dissipation Rate in a Planar Liquid Jet with a Chemical Reaction (Experimental Study on the Evaluation of the Conditional Moment Closure Equation)

  WATANABE TOMOAKI; SAKAI YASUHIKO; NAGATA KOJI; TERASHIMA OSAMU; KUBO TAKASHI

  日本機械学会論文集 B編(Web), Oct. 2013, Peer-reviewed

  
• Conditional Statistics in a Liquid Jet with a Chemical Reaction

  WATANABE TOMOAKI; SAKAI YASUHIKO; NAGATA KOJI; TERASHIMA OSAMU; KUBO TAKASHI

  日本機械学会論文集 B編(Web), Oct. 2013, Peer-reviewed

  
• Experimental Investigation of Eddy Diffusivity in a Reactive Liquid Jet

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 14th European Turbulence Conference (ETC14), Sep. 2013, Peer-reviewed

  
• On the Measurement of Wall Shear Stress with a Micro-Fabricated Hot-Film Sensor

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; H. Hida; K. Onishi; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Study on the Effects of Grid-Generated Turbulence on the Initial Growth of Turbulent Boundary Layer by Direct Numerical Simulation

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Effects of Initial Condition on Coherent Structure and Evolution of Turbulent Plane Jets

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Measurement of Fluctuating Temperature and Analysis of Eigenmodes by KL Expansion in a Heated Plane Jet

  O. Terashima; Y. Sakai; K. Nagata; Y. Ito; K. Onishi; Y. Goto; K. Miura

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Experimental Study on the Schmidt Number Dependence of the Scalar Derivative Statistics in a Liquid Axisymmetric Jet

  T. Takeichi; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Stereo PIV Measurement of Regular and Fractal Grid Turbulence in Liquid

  T(omoyuki). Watanabe; K. Hoshino; Y. Ito; K. Nagata; Y. Sakai; O. Terashima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Improvement of a Spatial Resolution of Concentration Measurement System Based on the Light Absorption Spectrometric Method

  T. Naito; T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Conditional Statistics of Reactive Concentrations in a Planar Liquid Jet

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• The Effects of a Cylinder Wake in a Freestream on a Flat Plate Turbulent Boundary Layer

  T. Takizaki; K. Hiruta; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• On the Enhancement of Mixing and Diffusion in an Axisymmetric Jet by Means of Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Structure of Turbulent Boundary Layer Influenced by Freestream Turbulence Generated by Grids

  S. Nakano; K. Nagata; Y. Sakai; T. Kitayama; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Production and Transport of Turbulent Kinetic Energy in Fractal-Generated Turbulence

  T. Inaba; K. Nagata; Y. Sakai; H(iroyuki). Suzuki; O. Terashima; H(iroki). Suzuki

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Direct Numerical Simulation of Single-Square Grid-Generated Turbulence

  Y. Zhou; K. Nagata; Y. Sakai; H. Suzuki; Y. Ito; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• DNS study on Small-Scale Characteristics of Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Influence of Mainstream Turbulence on Axisymmetric Jet Diffusion Field

  K. Nagata; Y. Sakai; T. Inaba; T. Yamaguchi; O. Terashima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Study on the Interaction between Low-Mach-Number Grid Turbulence and Spherical Shock Wave

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; O. Terashima

  Proc. of the 14th European Turbulence Conference (ETC14), Sep. 2013, Peer-reviewed

  
• DNS on Multiscale-Generated Grid Turbulence Using Classical Grid

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Proc. of the International Symposium on Turbulence and Shear Flow Phenomena (TSFP-8), Aug. 2013, Peer-reviewed

  
• Analysis of Flow Characteristics of Turbulent Plane Jets Based on Velocity and Scalar Fields Using DNS

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Aug. 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (2nd Report, Measurements of Turbulent Kinetic Energy Transport by Using I- and X-Type Hot-Wire Probes)

  INABA TAKUTO; NAGATA KOJI; SAKAI YASUHIKO; SUZUKI HIROYUKI; TERASHIMA OSAMU; SUZUKI HIROKI

  日本機械学会論文集 B編(Web), Aug. 2013, Peer-reviewed

  
• Fractal analysis of turbulent mixing in fractal-generated turbulence by planar laser-induced fluorescence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Yutaka Hasegawa

  Physica Scripta, Jul. 2013, Peer-reviewed

  
• Joint statistics between velocity and reactive scalar in a turbulent liquid jet with a chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  Physica Scripta, Jul. 2013, Peer-reviewed

  
• An Attempt to Improve Accuracy of PIV Using an Interpolation Method

  H. Suzuki; T. Ushijima; Y. Hasegawa; K. Nagata; Y. Sakai

  Proc. of the 12th Asian Symposium on Visualization, May 2013, Peer-reviewed

  
• Simultaneous Measurement of Three Velocity Components and Static Pressure in Turbulent Flows

  ONISHI KAZUHIRO; TERASHIMA OSAMU; SAKAI YASUHIKO; NAGATA KOJI; ITO YASUMASA

  日本機械学会論文集 B編(Web), Apr. 2013, Peer-reviewed

  
• Velocity Measurement in a Turbulent Jet with a Hot-wire Anemometer : Influence of the Circuit in a CTA on the Measurement Accuracy

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• Sound Detection in a Flow by Static Pressure Measurement

  TERASHIMA Osamu; WATANABE Toru; MORITA Kiyoshi; ABE Yukinobu; SAKAI Yasuhiko; NAGATA Kouji; ONISHI Kazuhiro

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• Experimental Study on the Separated Flow around a Two-dimensional Blade by Tandem-type Hot-wire Probe

  FURUTA Hiroki; TERASHIMA Osamu; ISHIGURO Shunsuke; SAKAI Masaharu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; ONISHI Kazuhiro

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• Effects of the Cylinder Wake in a Freestream on Statistical Properties of a Turbulent Boundary Layer

  HIRUTA KOSUKE; NAGATA KOJI; SAKAI YASUHIKO; SUZUKI HIROKI; TERASHIMA OSAMU

  日本機械学会論文集 B編(Web), Mar. 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (1st Report, Measurements of Fundamental Turbulence Properties by Using an I-Type Hot-Wire Probe)

  SUZUKI HIROYUKI; NAGATA KOJI; SAKAI YASUHIKO; SUZUKI HIROKI; TERASHIMA OSAMU; INABA TAKUTO

  日本機械学会論文集 B編(Web), Feb. 2013, Peer-reviewed

  
• 220 Study on the interaction between grid turbulence and a shock wave

  KITAMURA Takuya; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2013, Peer-reviewed

  
• A technique for the measurement of wall shear stress based on micro fabricated hot-film sensor

  Takuya Sawada; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Mitsuhiro Shikida; Hirotaka Hida; Kazuhiro Onishi; Yasumasa Ito

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2013, Peer-reviewed

  
• Experimental study on the internal separated and inverse flow between the blades

  Hiroki Furuta; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Shunsuke Ishiguro; Masaharu Sakai; Yasumasa Ito

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2013, Peer-reviewed

  
• DNS-PDF simulation of turbulent mixing in a reactive planar jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  Communications in Computer and Information Science, 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (1st Report, Measurements of Fundamental Turbulence Properties by Using an I-Type Hot-Wire Probe)

  NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Effects of the Cylinder Wake in a Freestream on Statistical Properties of a Turbulent Boundary Layer

  NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Experimental Study on the Mixing of High-Schmidt-Number Scalar in Regular/Fractal Grid Turbulence

  NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Simultaneous Measurement of Three Velocity Components and Static Pressure in Turbulent Flows

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (2nd Report, Measurements of Turbulent Kinetic Energy Transport by Using I- and X-Type Hot-Wire Probes)

  INABA Takuto; NAGATA Kouji; SAKAI Yasuhiko; SUZUKI Hiroyuki; TERASHIMA Osamu; SUZUKI Hiroki

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Scalar Dissipation Rate in a Planar Liquid Jet with a Chemical Reaction (Experimental Study on the Evaluation of the Conditional Moment Closure Equation)

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Conditional Statistics in a Liquid Jet with a Chemical Reaction

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Direct numerical simulation of grid-generated turbulence (analysis on invariants and rotta model)

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase; Yutaka Hasegawa; Tatsuo Ushijima

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2013, Peer-reviewed

  
• Eddy Diffusivity and Turbulent Schmidt Number in a Turbulent Diffusion Field with a Chemical Reaction

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Numerical Simulation of Reactive Planar Jet by Combining the Probability Density Function Method with Direct Numerical Simulation

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa; HAYASE Toshiyuki

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Experimental Study on a Reaction Rate in a Reactive Liquid Jet

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Aeroacoustic Measurement with Combined Proper Orthogonal Decomposition Analysis

  TERASHIMA Osamu; WATANABE Toru; MORITA Kiyoshi; ABE Yukinobu; SAKAI Yasuhiko; NAGATA Kouji; ONISHI Kazuhiro

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Visualization of turbulent reactive jet by using direct numerical simulation

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Hiroki Suzuki; Toshiyuki Hayase; Yasumasa Ito

  International Journal of Modeling, Simulation, and Scientific Computing, 2013, Peer-reviewed

  
• Turbulence structure and turbulence kinetic energy transport in multiscale/fractal-generated turbulence

  Kouji Nagata; Yasuhiko Sakai; Takuto Inaba; Hiroki Suzuki; Osamu Terashima; Hiroyuki Suzuki

  Physics of Fluids, 2013, Peer-reviewed

  
• Simultaneous Measurement of Pressure and Three-Velocity Components by the Combination of Micro-Fabricated Probe and Two X-type Hot-wires in Turbulent Flows

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc. of the 7th ISEM'12, Nov. 2012, Peer-reviewed

  
• Simultaneous measurements of reactive scalar and velocity in a planar liquid jet with a second-order chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Takashi Kubo

  Experiments in Fluids, Nov. 2012, Peer-reviewed

  
• Measurement of Wall Shear Stress by Using Micro-Fabricated Sensor

  O. Terashima; T. Sawada; Y. Sakai; K. Nagata; H. Hida; M. Shikida

  Proc of the 7th ISEM'12, Nov. 2012, Peer-reviewed

  
• On the Pressure Diffusion Process in a Plane Turbulent Jet by the Simultaneous Measurement of Velocity and Pressure

  O. Terashima; Y. Sakai; K. Nagata; K. Onishi

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Promotion of Fluid Mixing and Chemical Reaction in Liquid Flows

  Y. Ito; S. Komori; K. Nagata; Y. Sakai; O. Terashima

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Experimental Study on Scalar Mixing Layer in Regular/Fractal Grid Turbulence

  Y. Sakai; K. Nagata; H. Suzuki; K. Hoshino; O. Terashima; Y. Ito

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Direct Numerical Simulation of Fractal/Multiscale-Generated Turbulence

  K. Nagata; Y. Sakai; H. Suzuki; O. Terashima

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Simultaneous measurement of velocity and pressure in a plane jet: Development of well-Arranged combined probe and estimation of turbulent energy budget

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  Experiments in Fluids, Oct. 2012, Peer-reviewed

  
• Turbulent Boundary Layer Influenced by Cylinder Wake in a Freestream

  K. Hiruta; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on the Turbulent Boundary Layer

  S. Xia; K. Hiruta; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Experimental Study on Low Mach Number Grid Turbulence Modulated by a Spherical Shock Wave

  T. Kitamura; T. Harasaki; K. Nagata; Y. Sakai; A. Sasoh; O. Terashimai

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Analysis of Flow Characteristics of Turbulent Plane Jets Based on Velocity and Scalar Fields Using DNS

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Effects of External Disturbances on Spatially Developing Turbulence and Its Application to Control of Thermo-Fluid Dynamics

  Y. Sakai; K. Nagata; T. Hayase; O. Terashima; N. Wu; S. Xia; T. Watanabe; T. Kitamura; K. Hiruta; H. Saito; T. Sakai; A. Sasoh; Y. Ito

  Proc. of the 12th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI-2012), Sep. 2012

  
• Numerical Simulation of a Reactive Liquid Jet by Combination of DNS and PDF Method

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• The Influence of the Coherent Structure on Turbulent Energy Transport in a Plane Jet

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc of the 9th European Fluid Mechanics Conference (EFMC9), Sep. 2012, Peer-reviewed

  
• Direct Numerical Simulation of Eddy Diffusivity in a Plane Jet with a Second-Order Reaction

  T. Watanabe; Y. Sakai; K. Nagata; H. Suzuki; Y. Ito; O. Terashima; T. Hayase

  Proc. of the International Conference on Simulation Technology 2012 (JSST 2012), Sep. 2012, Peer-reviewed

  
• Improved PIV Analysis Using an Interpolation Technique (Analysis on Improvement Effects of the Fourier Interpolation Using Quasi Particle-Images)

  SUZUKI Hiroki; HASEGAWA Yutaka

  Transactions of the Japan Society of Mechanical Engineers Series C, Jun. 2012, Peer-reviewed

  
• On the Development of a Composite Probe for the Simultaneous Measurement of Instantaneous Velocity and Temperature in an Axisymmetric Turbulent Jet Using Hot and Cold Wires

  安藤 祐斗; 大西 一弘; 寺島 修

  数理科学会論文集, Jun. 2012, Peer-reviewed

  
• Quantitative visualization of high-Schmidt-number turbulent mixing in grid turbulence by means of PLIF

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai

  JOURNAL OF VISUALIZATION, May 2012, Peer-reviewed

  
• 二次反応を伴う液相二次元噴流における速度と反応性スカラー量の同時計測

  渡邉智昭; 酒井康彦; 安原大樹; 長田孝二; 寺島 修; 久保 貴

  日本機械学会論文集(B編), 25 Apr. 2012, Peer-reviewed

  
• Investigation of Turbulent Phenomenon by the Measurements of Fluctuating Pressure with a Small Microphone (Analysis of Eigenmodes by KL Expansion)

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc. of the 8th KSME-JSME Thermal and Fluids Engineering Conference, Mar. 2012, Peer-reviewed

  
• Experimental Study on the Spatial Development of Multiscale/Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima

  Proc. of the 8th KSME-JSME Thermal and Fluids Engineering Conference, Mar. 2012, Peer-reviewed

  
• Development of Scalar Mixing Layer in Regular/fractal Grid Turbulence

  Y. Sakai; K. Nagata; H. Suzuki; K. Hoshino; O. Terashima

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Simultaneous Measurement of the Velocity and Pressure near the Turbulent/nonturbulent Interface

  O. Terashima; Y. Sakai; K. Nagata

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Numerical Simulation of Turbulence Genereted by the Multiscale Grid

  H. Suzuki; K. Nagata; Y. Sakai; H. Toshiyuki; Y. Hasegawa

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-generetad Turbulence

  K. Nagata; Y. Sakai; Hiroyuki Suzuki; Hiroki Suzuki; O. Terashima

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Experimental Study on the Internal Separated Flow between the Blades

  Y. Shoji; H. Furuta; S. Ishiguro; M. Sakai; O. Terashima; Y. Sakai; K. Nagata

  Proc. of the 8th KSME-JSME Thermal and Fluids Engineering Conference, Mar. 2012, Peer-reviewed

  
• S053061 Experimental and Numerical Study on the Separated-Reattaching Flow between the Blades

  FURUTA Hiroki; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Koji; ISHIGURO Shunsuke; SAKAI Masaharu

  The Proceedings of Mechanical Engineering Congress, Japan, 2012, Peer-reviewed

  
• Investigation of eddy diffusivity in a reactive plane jet by using direct numerical simulation

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Yasumasa Ito; Hiroki Suzuki; Toshiyuki Hayase

  Communications in Computer and Information Science, 2012, Peer-reviewed

  
• S053073 Study on the measurement of wall shear stress by using micro sensor

  SAWADA Takuya; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Koji; HIDA Hirotaka; SHIKIDA Mitsuhiro

  The Proceedings of Mechanical Engineering Congress, Japan, 2012, Peer-reviewed

  
• Improvement of constant temperature anemometer and measurement of energy spectra in a plane turbulent jet

  Osamu Terashima; Kazuhiro Onishi; Yasuhiko Sakai; Kouji Nagata

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2012, Peer-reviewed

  
• Characteristics of Two-Dimensional Turbulent Jet in Flapping Motion

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Simultaneous Measurement of the Velocity and Pressure in a Plane Jet (Estimation of Conditional Averaged Value and Diffusion Term in the Intermittent Region)

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on the Improvement of Frequency Response of the Constant Temperature Anemometer

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Joint Statistics between Velocity and Concentration in a Turbulent Diffusion Field with a Chemical Reaction

  WATANABE Tomoaki

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on the Interfacial Layer between the Turbulent/Non-Turbulent Region in a Two-Dimensional Turbulent Jet

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• On Invariants in Energy Decay Region in Grid Turbulence

  KITAMURA Takuya; HARASAKI Tatsuya

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on Turbulent Plane Jet with Chemical Reaction in Liquid (translated paper)

  T. Kubo; Y. Fukumura; Y. Sakai; K. Nagata

  Journal of Fluid Science and Technology, Jan. 2012, Peer-reviewed

  
• On invariants in energy decay region in grid turbulence

  KITAMURA Takuya; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; TERASHIMA Osamu; SAITO Hiroki; HARASAKI Tatsuya

  NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan, 2012, Peer-reviewed

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on a Turbulent Boundary Layer with Heat Transfer

  Y. Sakai; K. Nagata; H. Suzuki; T. Hayase

  Proc. of the 11th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI 2011), Nov. 2011

  
• Turbulent Mixing in the Plane Liquid Jet with the Second-Order Chemical Reaction

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2011

  
• PLIF Analysis on the Fractal Dimension of High-Schmidt Number Scalar Mixing in Fractal-Generated Turbulence

  H. Suzuki; Y. Sakai; K. Nagata

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2011

  
• Post-Shock Pressure Modulation Through Grid Turbulence

  D. Takagi; S. Ito; K. Takeya; A. Sasoh; K. Nagata; Y. Sakai

  Proc. of the 28th International Symposium on Shock Waves (ISSW28), Jul. 2011, Peer-reviewed

  
• An Experimental Study on Turbulent Mixing of High-Schmidt-Number Scalar in Grid Turbulence by Means of PIV and PLIF

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Ryota Ukai

  Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2011, Jul. 2011, Peer-reviewed

  
• Effects of small-scale freestream turbulence on turbulent boundary layers with and without thermal convection

  Kouji Nagata; Yasuhiko Sakai; Satoru Komori

  PHYSICS OF FLUIDS, Jun. 2011, Peer-reviewed

  Access this paper :

  
• Quantitative Visualization of High-Schmidt-Number Scalar Mixing in Grid Turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai

  Proceedings of the 11th Asian Symposium on Visualization, Jun. 2011, Peer-reviewed

  
• DNS on Spatially Developing Fractal Generated Turbulence with Heat Transfer

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Mixing of High-Schmidt Number Scalar in Regular/Fractal Grid Turbulence: Experiments by PIV and PLIF

  Y. Sakai; K. Nagata; H. Suzuki; R. Ukai

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Reexamination of Fractal-Generated Turbulence Using a Smaller Wind Tunnel

  K. Nagata; Y. Sakai; Hiroyuki Suzuki; Hiroki Suzuki

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Simultaneous Measurement of Instantaneous Two-Component Velocities and Concentration in an Axisymmetric CO2 Turbulent Jet Diffusion Field by Using Composite Hot-Wire Probe

  SAKAI Yasuhiko; NAGATA Kouji; KUBO Takashi; ICHINO Shuhei; HORIUCHI Kenji

  Transactions of the Japan Society of Mechanical Engineers Series C, Mar. 2011, Peer-reviewed

  
• Statistical Properties of a Turbulent Boundary Layer Affected by Grid-Generated Turbulence (Analysis of Spatial Development by Means of Direct Numerical Simulation)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki

  Transactions of the Japan Society of Mechanical Engineers Series C, Mar. 2011, Peer-reviewed

  
• Distorted turbulence and secondary flow near right-angled plates

  K. Nagata; J. C. R. Hunt; Y. Sakai; H. Wong

  JOURNAL OF FLUID MECHANICS, Feb. 2011, Peer-reviewed

  
• The statistical analysis of flapping phenomenon in a two-dimensional turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  7th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2011, 2011, Peer-reviewed

  
• Effects of Freestream Turbulence on an Axisymmetric CO2 Turbulent Jet Diffusion Field

  NAGATA Kouji; SAKAI Yasuhiko; YAMAGUCHI Takuya; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2011, Peer-reviewed

  
• Improvement of the Probe for Simultaneous Measurement of Velocity and Pressure for High Measurement Accuracy

  庄司 裕一; 寺島 修; 酒井 康彦; 長田 孝二

  Journal of the Japanese Society for Experimental Mechanics, 2011, Peer-reviewed

  
• DNS on a spatially developing grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase

  13TH EUROPEAN TURBULENCE CONFERENCE (ETC13): INSTABILITY, TRANSITION, GRID TURBULENCE AND JETS, 2011, Peer-reviewed

  
• The statistical evaluation of the flapping motion in a two-dimensional turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yuichi Shoji

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2011, Peer-reviewed

  
• Effects of Freestream Turbulence on an Axisymmetric CO2 Turbulent Jet Diffusion Field

  NAGATA KOJI; SAKAI YASUHIKO; YAMAGUCHI TAKUYA; TERASHIMA OSAMU

  日本機械学会論文集 B編(Web), 2011, Peer-reviewed

  
• DNS of Grid Turbulence with Scalar Transfer Using the Immersed Boundary Method and Fully Conservative Higher-Order Finite-Difference Schemes

  K. Nagata; H. Suzuki; Y. Sakai; T. Hayase

  Proc. of International Workshop on Process Intensification 2010 (IWPI2010), Dec. 2010

  
• フラクタル格子により生成されるマルチスケール誘起乱流の構造とスカラー拡散機構(第2報，DNSによる一様等方性と間欠性に及ぼす格子パラメータの影響の検討)

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸

  日本機械学会論文集(B編), Dec. 2010, Peer-reviewed

  
• 稼動ボルテックスジェネレータによる軸対称乱流噴流制御の試み

  長田孝二; 酒井康彦; 谷中紀公; 寺島修

  数理科学論文集, Dec. 2010, Peer-reviewed

  
• High-Schmidt-number scalar transfer in regular and fractal grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Ryota Ukai

  PHYSICA SCRIPTA, Dec. 2010, Peer-reviewed

  
• Direct numerical simulation of turbulent mixing in regular and fractal grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase

  PHYSICA SCRIPTA, Dec. 2010, Peer-reviewed

  
• Fly By Light Power: Improvement of Supersonic Flight Performance Using Laser Power

  A. Sasoh; T. Sakai; Y. Sakai; K. Nagata; A. Matsuda

  Proc. of the 7th International Conference on Flow Dynamics (ICFD2010), Nov. 2010

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on an Isothermal Turbulent Boundary Layer

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the 10th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI 2010), Nov. 2010

  
• The Image Correction Method for PLIF Measurements of High-Schmidt-Number Scalar Transfer : Nonmetric Corrections for Temporospatial Variation of Laser Intensity and Time Variation of Fluorescence Quantum Yield(Fluids Engineering)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; UKAI Ryota

  Transactions of the Japan Society of Mechanical Engineers Series B, Oct. 2010, Peer-reviewed

  
• Development of the Innovative Probe for the Simultaneous Measurement of Instantaneous Static Pressure and Two Velocity Components

  O. Terashima; Y. Sakai; Y. Kojima; Y. Shouji; K. Nagata; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Simultaneous Measurement of Instantaneous Two Velocity Components and Static Pressure in a Turbulent Plane Jet

  Y. Sakai; K. Nagata; Y. Moriguchi; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Direct Numerical Simulation on Turbulence Structures in a Transition Process of a Spatially Developing Turbulent Plane Jet

  H. Suzuki; Y. Sakai; K. Nagata; D. Sugimoto

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Measurements of Axisymmetric CO2 Jets Issuing into Regular and Fractal Grid Turbulence

  K. Nagata; Y. Sakai; T. Yamaguchi; S. Ichino; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Experimental Study of Shock Wave - Grid Turbulence Interactions

  D. Takagi; A. Matsuda; S. Ito; K. Nagata; Y. Sakai; A. Sasoh

  Proc. of the 19th International Shock Interaction Symposium (ISIS 19), Aug. 2010, Peer-reviewed

  
• Measurements of High-Schmidt-Number Scalar Mixing Layers by Means of High-Accuracy PIV and PLIF

  R. Ukai; H. Suzuki; K. Nagata; Y. Sakai

  Proc. of the 14th International Symposium on Flow Visualization (ISFV14), Jun. 2010

  
• Jet Manipulations by Moving Vortex Generators

  K. Nagata; Y. Sakai; K. Hiromori; T. Kubo

  Proc. of the 14th International Symposium on Flow Visualization (ISFV14), Jun. 2010

  
• Pressure Modulation of Weak Shock Waves Through Turbulent Flows

  D. Takagi; A. Matsuda; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 40th AIAA Fluid Dynamics Conference and Exhibit, Jun. 2010, Peer-reviewed

  
• Direct Numerical Simulation of Regular and Fractal-Grid Turbulence Using the Immersed Boundary Method and Fully Conservative Higher-Order Finite-Difference Schemes

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  International Review of Physics, Apr. 2010, Peer-reviewed

  
• Experimental Study of Interactions Between Weak Shock Wave and Turbulence

  A. Matsuda; D. Takagi; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 48th AIAA Aerospace Science Meeting, Jan. 2010

  
• 液相化学反応を伴う二次元噴流に関する研究

  久保 貴; 福村佳紀; 酒井康彦; 長田孝二

  日本機械学会論文集(B編), Jan. 2010, Peer-reviewed

  
• The Improvement of the Combined Probe for the Simultaneous Measurement of Instantaneous Static Pressure and Two Velocity Components and the Estimation of Turbulent Energy Transport in the Two-Dimensional Jet(Fluids Engineering)

  TERASHIMA Osamu; SAKAI Yasuhiko; SHOJI Yuichi; KOJIMA Yuki; NAGATA Kouji; KUBO Takashi

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2010, Peer-reviewed

  
• Turbulence structure of multiscale generated turbulence by fractal grids and scalar transfer mechanism (2nd report, DNS on the influence of grid parameters on homogeneity, isotropy and intermittency)

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2010, Peer-reviewed

  
• S0502-7-4 On statistical properties of turbulent boundary layers affected by free-stream turbulence

  TSUKUDA Saori; SUZUKI Hiroki; KITAYAMA Tomoyuki; NAGATA Kouji; SAKAI Yasuhiko

  The proceedings of the JSME annual meeting, 2010

  
• S0502-7-3 Experimental Analysis of High-Schmidt-Number Scalar Mixing by means of High-Accuracy PLIF Technique

  UKAI Ryota; SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko

  The proceedings of the JSME annual meeting, 2010

  
• S0502-1-1 A DNS study on spatial structure of a turbulent plane jet

  SUGIMOTO Daisuke; SUZUKI Hiroki; SAKAI Yasuhiko; NAGATA Kouji

  The proceedings of the JSME annual meeting, 2010

  
• Turbulence Structure and Scalar Transfer in Fractal Generated Turbulence

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the Japan-Korea CFD Workshop, Dec. 2009, Invited

  
• 埋め込み境界法と高精度差分によるフラクタル格子乱流の三次元直接数値計算

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸

  数理科学論文集, Dec. 2009, Peer-reviewed

  
• Preliminary Study of Interaction between Weak Shock Wave and Turbulent Flow

  A. Matsuda; D. Takagi; J. Kim; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 6th International Symposium on Flow Dynamics, Nov. 2009

  
• Direct Numerical Simulation on the Effects of Free-Stream Turbulence on Neutral, Stably and Unstably Stratified Turbulent Boundary Layers

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the 9th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration, Nov. 2009

  
• PIV and PLIF Measurement of Regular and Fractal Grid Turbulence with Scalar Transfer

  H. Suzuki; K. Nagata; Y. Sakai; R. Ukai

  Proc. of the Sixth International Conference on Flow Dynamics, Nov. 2009

  
• Direct Numerical Simulation of Scalar Transfer in Regular and Fractal Grid Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2009

  
• High Schmidt Number Scalar Transfer in Regular and Fractal Grid Turbulence

  K. Nagata; H. Suzuki; Y. Sakai; R. Ukai

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2009

  
• フラクタル格子により生成されるマルチスケール誘起乱流の構造とスカラー拡散機構(第1報，DNSによるフラクタル基本形状の影響に関する検討)

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸; 久保 貴

  日本機械学会論文集(B編), Jul. 2009, Peer-reviewed

  
• DNS of Passive Scalar Field with Mean Gradient in Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 6th International Symposium on Turbulence and Shear Flow Phenomena, Jun. 2009, Peer-reviewed

  
• Active Control of an Axisymmetric Turbulent Jet Using Moving Prominences : Effects of Shapes and Moving Patterns of the Prominence(Fluids Engineering)

  NAGATA Kouji; SAKAI Yasuhiko; HIROMORI Kensuke; KUBO Takashi; OGURO Yuki

  Transactions of the Japan Society of Mechanical Engineers Series B, Jun. 2009, Peer-reviewed

  
• Experimental Study on the Turbulent Reactive Plane Jet in Liquid

  T. Kubo; Y. Sakai; K. Nagata; K. Iida

  Journal of Fluid Science and Technology, May 2009, Peer-reviewed

  
• Turbulent Mixing and Reacting Scalar Field in Liquid-Phase Jet

  Y. Sakai; T. Kubo; K. Nagata

  Abstract of 8th China-Japan Workshop on Turbulent Flows, Apr. 2009, Invited

  
• Improvement of the DNS of Turbulent Channel Flow Using the Finite Difference Method : Introduction of the Compact Scheme to the Viscous Terms for High Spatial Resolution in the Dissipation Range(Fluids Engineering)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki; KUBO Takashi

  Transactions of the Japan Society of Mechanical Engineers Series B, Apr. 2009, Peer-reviewed

  
• Secondary Flow near a Streamwise Corner Induced by the Wall Blocking Effect(Fluids Engineering)

  NAGATA Kouji; SAKAI Yasuhiko; TAGAWA Shinji; HAMAMATU Takeshi; KUBO Takashi

  Transactions of the Japan Society of Mechanical Engineers Series B, Jan. 2009, Peer-reviewed

  
• On the structure of two-dimensional turbulent jet by the simultaneous measurement of instantaneous two velocity components and static pressure (experimental evaluations of cross-correlation coefficient between velocity and pressure fluctuations and turbulent energy budget)

  Yasuhiko Sakai; Kouji Nagata; Yuu Moriguchi; Takashi Kubo

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2009, Peer-reviewed

  
• Experimental Study on Relationships between Large-Scale Coherent Motions and Bursting Events in a Turbulent Boundary Layer (translated paper)

  Y. Sakai; K. Nagata; H. Yokoi; T. Kubo; H. Shimogata

  Journal of Fluid Science and Technology, Jan. 2009, Peer-reviewed

  
• PLIFによる高Sc数パッシブスカラー乱流輸送解析

  鈴木 博貴; 長田 孝二; 酒井 康彦; 鵜飼 涼太

  化学工学会 研究発表講演要旨集, 2009

  
• 自動車用空調シロッコファンの騒音発生機構に関する研究

  酒井康彦; 加藤高章; 森口 優; 酒井雅晴; 伊藤功治; 三石康志; 長田孝二; 久保 貴

  日本機械学会論文集(B編), Dec. 2008, Peer-reviewed

  
• Direct Numerical Simulation of Turbulence Characteristics Generated by Fractal Grids

  K. Nagata; H. Suzuki; Y. Sakai; T. Hayase; T. Kubo

  International Review of Physics, Dec. 2008, Peer-reviewed

  
• DNS of Spatially Developing Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 7th JSME-KSME Thermal and Fluids Engineering Conference, Oct. 2008

  
• Direct numerical simulation of turbulent mixing in grid-generated turbulence

  Kouji Nagata; Hiroki Suzuki; Yasuhiko Sakai; Toshiyuki Hayase; Takashi Kubo

  PHYSICA SCRIPTA, Oct. 2008, Peer-reviewed

  
• Experimental Study on the Turbulent Reactive Plane Jet in Liquid

  T. Kubo; Y. Sakai; K. Nagata; K. Iida

  Proc. of the 2nd International Conference on Jets, Wakes and Separated Flows, Sep. 2008, Peer-reviewed

  
• On Static Pressure Fluctuation between Sirocco Fan Blades in a Car Air-Conditioning System

  Y. Sakai; K. Takaaki; Y. Moriguchi; M. Sakai; K. Ito; Y. Mitsuishi; K. Nagata; T. Kubo

  Journal of Fluid Science and Technology, Sep. 2008, Peer-reviewed

  
• 光ファイバー吸光濃度計の周波数応答特性の検討と高シュミット数物質拡散場の統計的特性に関する研究

  内田健児; 酒井康彦; 久保 貴; 長田孝二

  流体熱工学研究, Jun. 2008, Peer-reviewed

  
• 光ファイバー型三波長マイクロ吸光濃度計の試作

  久保 貴; 福村佳紀; 酒井康彦; 長田孝二; 竹本昌弘

  流体熱工学研究, Jun. 2008, Peer-reviewed

  
• Active Control of an Axisymmetric Turbulent Jet Using Moving Delta Tabs (Effects of the Delta Tabs Oscillating in Phase) (translated paper)

  K. Nagata; Y. Sakai; M. Shirosawa; T. Kubo

  Journal of Fluid Science and Technology, May 2008

  
• Effect of Molecular Diffusivities on Countergradient Scalar Transfer in a Strong Stable Stratified Flow (Study on the Linear and Nonlinear Processes by using RDT) (translated paper)

  K. Nagata; T. Sato; S. Komori

  Journal of Fluid Science and Technology, May 2008, Peer-reviewed

  
• Statistical features of scalar flux in a high-Schmidt-number turbulent jet

  Yasuhiko Sakai; Kenji Uchida; Takashi Kubo; Kouji Nagata

  IUTAM SYMPOSIUM ON COMPUTATIONAL PHYSICS AND NEW PERSPECTIVES IN TURBULENCE, 2008, Peer-reviewed

  
• On turbulence characteristics around the two-dimensional symmetric aerofoil: Kinematic simulation and experiments

  Yasuhiko Sakai; Shinji Tagawa; Kouji Nagata; Takashi Kubo; Julian C. R. Hunt

  IUTAM SYMPOSIUM ON COMPUTATIONAL PHYSICS AND NEW PERSPECTIVES IN TURBULENCE, 2008, Peer-reviewed

  
• ランダムフーリエモード法と急激変形理論の複合モデルによる鈍頭物体周りの流れの数値シミュレーション(第1報, 複合モデルおよび円柱周りの乱流解析へのモデルの適用)

  酒井康彦; 長田孝二; 杉浦真一; 久保 貴; J.C.R. Hunt

  日本機械学会論文集(B編), Jan. 2008, Peer-reviewed

  
• 乱流境界層に及ぼす境界層外乱れの影響(第1報, 等温の乱流境界層に及ぼす格子乱流の影響)

  長田孝二; 伊藤陽人; 酒井康彦; 小森 悟

  日本機械学会論文集(B編), Jan. 2008, Peer-reviewed

  
• フラクタル格子乱流による乱流熱輸送の直接数値計算

  鈴木 博貴; 長田 孝二; 酒井 康彦; 早瀬 敏幸; 久保 貴

  化学工学会 研究発表講演要旨集, 2008

  
• フラクタル格子乱流の直接数値シミュレーション

  鈴木 博貴; 長田 孝二; 酒井 康彦; 早瀬 敏幸; 久保 貴

  化学工学会 研究発表講演要旨集, 2008

  
• On Characteristics of Velocity and Pressure Field in Two-dimensional Turbulent Jet (translated paper)

  Y. Sakai; Y. Moriguchi; N. Tanaka; M. Yamamoto; T. Kubo; K. Nagata

  Journal of Fluid Science and Technology, Dec. 2007

  
• Secondary Flow near an Undulatory Surface Induced by Wall Blocking Effect (translated paper)

  K. Nagata; P.A. Davidson; H. Wong

  Journal of Fluid Science and Technology, Nov. 2007, Peer-reviewed

  
• On the Static Pressure Fluctuation between the Sirocco Fan Blades and the Mechanism of Noise Generation in the Car Air-Conditioning System

  Y. Sakai; T. Kato; Y. Moriguchi; M. Sakai; K. Ito; Y. Mitsuishi; K. Nagata; T. Kubo

  Proc. of the 9th Asian International Conference on Fluid Machinery, Oct. 2007, Peer-reviewed

  
• A Study on a Heat Pump Secondary Coolant System Using Supercritical CO2

  T. Kubo; T. Itoh; Y. Hotta; Y. Sakai; K. Nagata; Y. Uefuji

  Proc. of International Conference on Compressors and their Systems, Sep. 2007, Peer-reviewed

  
• Direct Numerical Simulation of the Convective Boundary Layer with External Grid Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 18th International Symposium on Transport Phenomena, Aug. 2007, Peer-reviewed

  
• Direct Numerical Simulation of Surface Blocking Effects on Isotropic and Axisymmetric Turbulence

  K. Nagata; P.A. Davidson; J.C.R. Hunt; Y. Sakai; S. Komori

  Proc. of the 5th International Symposium on Turbulence and Shear Flow Phenomena, Aug. 2007, Peer-reviewed

  
• Direct Numerical Simulation of Turbulent Mixing in Grid-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Bulletin of the International Conference on Turbulent Mixing and Beyond, Aug. 2007

  
• 乱流境界層に及ぼす境界層外乱れの影響(第2報, 対流境界層に及ぼす格子乱流の影響)

  長田孝二; 伊藤陽人; 酒井康彦; 小森 悟

  日本機械学会論文集(B編), Apr. 2007, Peer-reviewed

  
• 高シュミット数物質噴流拡散場における条件付統計量の特性

  内田健児; 酒井康彦; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• 高シュミット数物質噴流拡散場における物質フラックスの統計的特性

  酒井康彦; 内田健児; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• 乱流境界層における大規模渦構造とバースト現象の関連性に関する実験的研究

  酒井康彦; 下形英之; 長田孝二; 久保 貴; 横井宏尚

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• Velocity and Passive Scalar Cross Spectra in Stably and Unstably Stratified Grid Turbulence

  K. Nagata; Y. Sakai; S. Komori; T. Kubo

  Journal of Fluid Science and Technology, Mar. 2007, Peer-reviewed

  
• 稼動デルタタブによる軸対称噴流の能動制御の試み(第1報, デルタタブを同位相で稼動させた場合の乱流統計量の評価)

  長田孝二; 酒井康彦; 城澤道正; 久保 貴

  日本機械学会論文集(B編), Feb. 2007, Peer-reviewed

  
• Derivative statistics of axial velocity and passive scalar in the jet diffusion field of high-Schmidt-number matter

  Y. Sakai; K. Uchida; T. Kubo; K. Nagata

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• Direct numerical simulation of turbulent boundary layer downstream of turbulence-generating grid

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• Momentum and heat transfer in turbulent boundary layers with external grid turbulence

  Kouji Nagata; Yasuhiko Sakai; Satoru Komori

  ADVANCES IN TURBULENCE XI, 2007, Peer-reviewed

  
• Derivative statistics of axial velocity and passive scalar in the jet diffusion field of high-Schmidt-number matter

  Y. Sakai; K. Uchida; T. Kubo; K. Nagata

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• 格子乱流下に形成される壁面上乱流境界層流中の熱移動に関する直接数値計算

  鈴木 博貴; 長田 孝二; 酒井 康彦

  化学工学会 研究発表講演要旨集, 2007

  
• 二次元乱流噴流の速度・圧力場の特性に関する研究

  酒井康彦; 森口 優; 田中伸彦; 山本 睦; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Dec. 2006, Peer-reviewed

  
• 高Schmidt数物質噴流拡散場における速度・スカラー結合統計量

  酒井康彦; 内田健児; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Nov. 2006, Peer-reviewed

  
• Linear and Nonlinear Processes in Small-Scale Scalar Transfer in Strongly Stable Density Stratified Flows

  K. Nagata; S. Komori; Y. Sakai

  Proc. of the 13th International Heat Transfer Conferences, Aug. 2006, Peer-reviewed

  
• Weak mean flows induced by anisotropic turbulence impinging onto planar and undulating surfaces

  K. Nagata; H. Wong; J. C. R. Hunt; S. G. Sajjadi; P. A. Davidson

  JOURNAL OF FLUID MECHANICS, Jun. 2006, Peer-reviewed

  
• Reynolds Number Influence on Turbulent Blocking Effects of a Rigid Plane Boundary : 3rd Report, Direct Numerical Simulation on Wall Blocking Effects for Anisotropic Turbulence

  NAGATA Kouji; SAGARA Fumihiko; KOMORI Satoru; DAVIDSON Peter A.; HUNT Julian C. R.

  Transactions of the Japan Society of Mechanical Engineers B, May 2006, Peer-reviewed

  
• Secondary Flow near an Undulatory Surface Induced by Wall Blocking Effect

  長田孝二; P.A. Davidson; H. Wong

  日本機械学会論文集(B編), Mar. 2006, Peer-reviewed

  
• LIF Measurements and Statistical Characteristics of Micro-Scale Jet Diffusion Field of High-Schmidt-Number Matter

  K. Uchida; Y. Sakai; T. Kubo; K. Nagata

  Proc. of 2006 International Symposium on Micro-Nano Mechatronics and Human Science, 2006

  
• 壁面による乱流のブロック効果に及ぼすレイノルズ数の影響(第1報, Rapid Distortion Theoryによる線形解析)

  長田孝二; J.C.R. Hunt

  日本機械学会論文集(B編), Sep. 2005, Peer-reviewed

  
• Reynolds number influence on turbulent blocking effect of a rigid plane boundary (2nd report, direct numerical simulation using Townsend's eddy forcing) (in Japanese)

  NAGATA K.; SAGARA Fumihiko; KOMORI Satoru; HUNT Julian C. R.; DAVIDSON Peter A.

  Transactions of the Japan Society of Mechanical Engineers. Series B., Sep. 2005, Peer-reviewed

  
• 波状壁面上の乱流構造と抗力に及ぼすうねりの影響

  今城貴徳; 長田孝二; 小森 悟

  日本機械学会論文集(B編), Jun. 2005, Peer-reviewed

  
• Linear Process in Countergradient Scalar Transfer in Strong Stable Stratification

  K. Nagata; Y. Sakai

  Proc. of the Second International Symposium on Transdisciplinary Fluid Integration, 2005, Peer-reviewed

  
• LIF Measurements and Statistical Properties of Micro-Scale Diffusion Field of Matter in a Turbulent Jet

  K. Uchida; Y. Sakai; T. Kubo; K. Nagata

  Proc. of 2005 International Symposium on Micro-Nano Mechatronics and Human Science, 2005, Peer-reviewed

  
• 乱流の非等方性と壁面のブロック効果による平板上での平均流の発生

  長田孝二; J.C.R. Hunt

  日本機械学会論文集(B編), Nov. 2004, Peer-reviewed

  
• 強い安定密度成層乱流場でのスカラの逆こう配拡散に及ぼす分子拡散の影響(RDTによる線形および非線形過程の検討)

  長田孝二; 佐藤他加志; 小森 悟

  日本機械学会論文集(B編), Oct. 2004, Peer-reviewed

  
• Promotion Effects of Falling Droplets on Mass Transfer Across the Air-Water Interface

  S. Komori; N. Takagaki; K. Sugioka; K. Nagata

  Proc. of International Conference on Multiphase Flow 2004, 2004, Peer-reviewed

  
• A New Method to Generate Stationary, Homogeneous and Isotropic Turbulence Using Townsend's Eddy Forcing and Its Application to Blocking Effects in Turbulent Boundary Layer

  K. Nagata; F. Sagara; S. Komori

  Proc. of Kyoto-Seoul National-Tsinghua University Thermal Engineering Conference, 2004, 2004

  
• 波状壁面上の乱流構造と抗力に及ぼすリップルの影響

  長田孝二; 西岡毅洋; 杉岡健一; 小森 悟

  日本機械学会論文集(B編), Aug. 2003, Peer-reviewed

  
• Effects of Thermal Stratifications on Turbulent Mixing and Chemical Reaction in Liquid Mixing Layer

  オオニシ リョウ; ミチオカ タケノブ; ナガタ コウジ

  日本機械学会論文集(B編), Mar. 2003, Peer-reviewed

  
• LES of Thermally-Stratified Liquid Turbulent Flows with a Chemical Reaction

  R. Onishi; T. Michioka; K. Nagata; S. Komori

  Proc. of the Third International Symposium on Turbulence and Shear Flow Phenomena, 2003, Peer-reviewed

  
• Linear Analysis of the Reynolds Number Effects on Turbulence Structure in Shear-Free Boundary Layer

  K. Nagata; S. Komori

  Proc. of Kyoto-Seoul National-Tsinghua University Thermal Engineering Conference 2003, 2003

  
• Turbulence Structure and Low Reynolds Number Effects in Shear-Free Boundary Layer

  K. Nagata; J.C.R. Hunt; P.A. Davidson

  Turbulence, Heat and Mass Transfer, 2003, Peer-reviewed

  
• 気液界面を通しての物質輸送に及ぼす降雨の効果

  杉岡 健一; 中西 康夫; 小森 悟; 長田 孝二

  化学工学会 研究発表講演要旨集, 2003

  
• The effects of high-frequency ultrasound on turbulent liquid mixing with a rapid chemical reaction

  Y Ito; K Nagata; S Komori

  PHYSICS OF FLUIDS, Dec. 2002, Peer-reviewed

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• 気液界面を通しての炭酸ガス輸送に及ぼす界面重油汚れの影響

  長田孝二; 白尾龍太郎; 小森 悟

  日本機械学会論文集(B編), Jul. 2002, Peer-reviewed

  
• The Effects of Ultrasound, Unstable Stratification and Shear on Turbulent Mixing and Chemical Reaction

  S. Komori; Y. Ito; K. Nagata

  Proc. of Kyoto-Seoul National-Tsinghua University Thermal Engineering Conference, 2002

  
• The Effects of Entrained Bubbles, Density Stratifications and Swell on Mass Transfer Across the Sheared Wavy Air-Water Interface

  S. Komori; K. Nagata; K. Tanno; K. Sugioka

  Proc. of International Symposium on Dynamics and Statistics of Coherent Structures in Turbulence: Roles of Elementary Vortices, 2002, Peer-reviewed

  
• The Effects of Swell on Turbulence Structure and Mass Transfer at the Sheared Wavy Air-Water Interface

  S. Komori; K. Nagata; K. Tanno; T. Nishioka

  Proc. of the 5th JSME-KSME Fluid Engineering Conference, 2002, Peer-reviewed

  
• 超音波による乱流混合反応促進

  伊藤靖仁; 長田孝二; 小森 悟

  日本機械学会論文集(B編), Jan. 2002, Peer-reviewed

  
• Experimental Study on Droplet Dispersion over Breaking Wind Waves

  SUGIOKA Kenichi; TANNO Kenji; NAGATA Kouji; KOMORI Satoru

  The proceedings of the JSME annual meeting, 2002

  
• 風波気液界面を通したスカラ輸送に及ぼす液側の安定および不安定成層の効果

  長田孝二; 山崎博樹; 大和克行; 小森 悟

  日本機械学会論文集(B編), Dec. 2001, Peer-reviewed

  
• The difference in turbulent diffusion between active and passive scalars in stable thermal strafication

  K. Nagata; S. Komori

  Journal of Fluid Mechanics, 10 Mar. 2001, Peer-reviewed

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• Effects of Ultrasound on Turbulent Mixing and Second-Order Chemical Reaction

  K. Nagata; Y. Ito; S. Komori

  Proc. of Turbulent Heat Transfer Ⅲ,, 2001, Peer-reviewed

  
• The Effects of Density Stratifications on CO2 Transfer and Turbulence Structure at the Sheared Air-Water Interface

  S. Komori; K. Nagata

  Proc. of the 6th International Carbon Dioxide Conference, 2001, Peer-reviewed

  
• The Effects of Bubbles and Density Stratifications on CO2 Transfer across the Air-Water Interface in Wind-Driven Turbulence

  S. Komori; K. Nagata; R. Misumi

  Proc. of the First International Conference on Advanced Fluid Information, 2001, Peer-reviewed

  
• 化学反応を伴う液相格子乱流場に対するLarge eddy simulation

  道岡武信; 長田孝二; 井田敦巳; 小森 悟

  日本機械学会論文集(B編), Nov. 2000, Peer-reviewed

  
• Strongly stably stratified grid turbulence using second-moment closure

  YL Wang; K Nagata; S Komori

  AIAA JOURNAL, Aug. 2000, Peer-reviewed

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• The effects of unstable stratification and mean shear on the chemical reaction in grid turbulence

  K Nagata; S Komori

  JOURNAL OF FLUID MECHANICS, Apr. 2000, Peer-reviewed

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• DNSによる強い安定成層下でのアクティブスカラとパッシブスカラの乱流拡散の違いの評価

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Oct. 1999, Peer-reviewed

  
• Difference in Turbulent Diffusion between Active and Passive Scalars in Stable Thermal-Stratification

  K. Nagata; S. Komori

  Proc. of the First International Symposium on Turbulence and Shear Flow Phenomena, 1999, Peer-reviewed

  
• 安定温度成層乱流場でのパッシブスカラとアクティブスカラの乱流拡散の違い

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Mar. 1998, Peer-reviewed

  
• 格子乱流場での化学反応と乱流混合に及ぼす不安定温度成層とシアーの効果

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Aug. 1997, Peer-reviewed

  
• Effects of Unstable Stratification and Mean Shear on the Chemical Reaction in Grid-Generated Turbulence

  S. Komori; K. Nagata

  Proc. of the 11th Symposium on Turbulent Shear Flows, 1997, Peer-reviewed

  
• DNSによる強い安定成層下での熱の逆こう配拡散に及ぼすPr数の効果の解明

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Aug. 1996, Peer-reviewed

  
• 環境中での乱流輸送現象の解明のためのDNSの適用例

  小森 悟; 長田孝二; 黒瀬良一

  計算工学講演会論文集, May 1996, Peer-reviewed

  
• Effects of Molecular Diffusivities on Counter-Gradient Scalar and Momentum Transfer in Strongly Stable Stratification

  S. Komori; K. Nagata

  Journal of Fluid Mechanics, Apr. 1996, Peer-reviewed

  
• Direct Numerical Simulation of the Prandtl Number Effects on the Counter-gradient Heat Transfer in Strong Stable Stratification

  K. Nagata; S. Komori

  Proc. of the 19th International Congress of Theoretical and Applied Mechanics, 1996, Peer-reviewed

  
• Heat and mass transfer in a stable thermally stratified flow

  S Komori; K Nagata; Y Murakami

  DYNAMICS OF ATMOSPHERES AND OCEANS, Jan. 1996, Peer-reviewed

  
• 強い安定成層乱流場における熱と物質の乱流拡散機構

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Jun. 1995, Peer-reviewed

  
• MEASUREMENTS OF MASS FLUX IN A TURBULENT LIQUID FLOW WITH A CHEMICAL-REACTION

  S KOMORI; K NAGATA; T KANZAKI; Y MURAKAMI

  AICHE JOURNAL, Oct. 1993, Peer-reviewed

  

Misc.

• Large eddy simulation of grid-generated turbulence with chemical reactions

  Takenobu Michioka; Kouji Nagata; Atsushi Ida; Satoru Komori

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2000

  
• Turbulent/Non-Turbulent Interfaces in Temporally-Evolving Compressible Planar Jets

  R. Nagata; T. Watanabe; K. Nagata

  Physics of Fluids, Oct. 2018, Peer-reviewed

  
• Integral Invariants and Decay of Temporally Developing Grid Turbulence

  T. Watanabe; K. Nagata

  Physics of Fluids, Oct. 2018, Peer-reviewed

  
• Turbulent/Non-Turbulent Interfaces in High Resolution Direct Numerical Simulation of Temporally-Evolving Compressible Turbulent Boundary Layers

  X. Zhang; T. Watanabe; K. Nagata

  Physical Review Fluids, Sep. 2018, Peer-reviewed

  
• A localized turbulent mixing layer in a uniformly stratified environment

  Tomoaki Watanabe; James J. Riley; Koji Nagata; Ryo Onishi; Keigo Matsuda

  Journal of Fluid Mechanics, 25 Aug. 2018, Peer-reviewed

  
• Supersonic piston synthetic jets with single/multiple orifice

  Hiroyuki Sakakibara; Tomoaki Watanabe; Koji Nagata

  Experiments in Fluids, 01 May 2018, Peer-reviewed

  
• Turbulent/non-turbulent interfaces detected in DNS of incompressible turbulent boundary layers

  T. Watanabe; X. Zhang; K. Nagata

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Amplification and attenuation of shock wave strength caused by homogeneous isotropic turbulence

  K. Tanaka; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai; T. Hayase

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Modeling of molecular diffusion and thermal conduction with multi-particle interaction in compressible turbulence

  Y. Tai; T. Watanabe; K. Nagata

  Physics of Fluids, 01 Mar. 2018, Peer-reviewed

  
• Dual-Plane Turbulent Jets and their Non-Gaussian Velocity Fluctuations

  Y. Zhou; K. Nagata; Y. Sakai; T. watanabe

  Physical Review Fluids, 2018, Peer-reviewed

  
• Gradients estimation from random points with volumetric tensor in turbulence

  Tomoaki Watanabe; Koji Nagata

  Journal of Computational Physics, 01 Dec. 2017, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control (Cases of inhomogeneous, anisotropic and compressible turbulence)

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Watanabe; T. Hayase; K. Takamure; K. Tanaka; S. Nagaya

  Proc. of the 17th International Symposium on Advanced Fluid Information (AFI-2017), Nov. 2017

  
• Turbulent entrainment across turbulent-nonturbulent interfaces in stably stratified mixing layers

  T. Watanabe; J. J. Riley; K. Nagata

  PHYSICAL REVIEW FLUIDS, Oct. 2017, Peer-reviewed

  
• Role of an isolated eddy near the turbulent/non-turbulent interface layer

  T. Watanabe; R. Jaulino; R. R. Taveira; C. B. da Silva; K. Nagata; Y. Sakai

  PHYSICAL REVIEW FLUIDS, Sep. 2017, Peer-reviewed

  
• Scaling of the Non-Dimensional Dissipation Rate C_epsilon Near Turbulent/Non-Turbulent Interfaces

  T. Watanabe; C. B. da Silva; K. Nagata

  Proc. of the 16th European Turbulence Conference, Aug. 2017, Peer-reviewed

  
• Passive Scalar Mixing in Temporally Developing Grid Turbulence

  T. Watanabe; K. Nagata

  Abstract of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Interaction between Spherical Shock Wave and Turbulent Cylinder Wake

  K. Inokuma; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai

  Abstract of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Entrainment and Scalar Mixing Process Near Turbulent/Non-Turbulent Interface In Compressible Boundary Layers

  X. Zhang; T. Watanabe; K. Nagata

  Proc. of the Turbulent Mixing and Beyond: 6th International Conference 10th Anniversary Program Non-Equilibrium Transport Across the Scales, Aug. 2017, Peer-reviewed

  
• Geometrical aspects of turbulent/non-turbulent interfaces with and without mean shear

  Tomoaki Watanabe; Carlos B. da Silva; Koji Nagata; Yasuhiko Sakai

  PHYSICS OF FLUIDS, Aug. 2017, Peer-reviewed

  
• Kinetic Energy Distribution in the Space of Scales Near Turbulent/Non-Turbulent Interfaces

  T. Watanabe; C. B. da Silva; K. Nagata

  Proc. of the Euromech Symposium 590: Turbulent/Nonturbulent Interfaces, Jul. 2017

  
• Direct Numerical Simulations of Interaction between Planar Shock Wave and Homogeneous Isotropic Turbulence at Low Turbulent Mach Number

  K. Tanaka; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai; T. Hayase

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Measurement of Velocity Fluctuations and Overpressure of Spherical Shock Wave in Grid Turbulence

  K. Inokuma; S. Nishio; T. Watanabe; K. Nagata; A. Sasoh; Y. Sakai

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Experimental Study on Grid Turbulence Interacting with a Spherical Shock Wave

  Y. Ito; Y. Ato; S. Sakai; K. Iwano; K. Nagata; A. Sasoh

  Proc. of the 31st International Symposium on Shock Waves (ISSW31), Jul. 2017, Peer-reviewed

  
• Changes in divergence-free grid turbulence interacting with a weak spherical shock wave

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; Y. Ito

  PHYSICS OF FLUIDS, Jun. 2017, Peer-reviewed

  
• Finite response time of shock wave modulation by turbulence

  Kento Inokuma; Tomoaki Watanabe; Koji Nagata; Akihiro Sasoh; Yasuhiko Sakai

  PHYSICS OF FLUIDS, May 2017, Peer-reviewed

  
• Direct numerical simulation on turbulent/non-turbulent interface in compressible turbulent boundary layer

  張 欣羨; 渡邉 智昭; 長田 孝二

  年会講演会講演集, 13 Apr. 2017

  
• Experimental study on the flow structure and sound generation between the blades of multi-blade fan

  Koji IWANO; Yusuke GOTO; Yuya FUKAO; Yasuhiko SAKAI; Yasumasa ITO; Koji NAGATA; Masaharu SAKAI; Toshinori OCHIAI; Shuzo ODA

  Transactions of the JSME (in Japanese), Apr. 2017, Peer-reviewed

  
• Modification of hemodynamics in basilar artery aneurysm by the single and Y stent placement

  Tatsuya Matsuda; Yasumasa Ito; Kohei Masunaga; Yasuhiko Sakai; Keiko Irie; Koji Iwano; Koji Nagata

  TECHNOLOGY AND HEALTH CARE, 2017, Peer-reviewed

  
• Effects of grid geometry on non-equilibrium dissipation in grid turbulence

  Koji Nagata; Teppei Saiki; Yasuhiko Sakai; Yasumasa Ito; Koji Iwano

  PHYSICS OF FLUIDS, Jan. 2017, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control (Cases of Mixing Layer, Grid Turbulence and Jet)

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Watanabe; T. Hayase; K. Takamure; M. Li

  Proc. of the 16th International Symposium on Advanced Fluid Information (AFI-2016), Oct. 2016

  
• Multi-particle dispersion during entrainment in turbulent free-shear flows

  Tomoaki Watanabe; Carlos B. da Silva; Koji Nagata

  JOURNAL OF FLUID MECHANICS, Oct. 2016, Peer-reviewed

  
• Rapid distortion theory analysis on the interaction between homogeneous turbulence and a planar shock wave

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; Y. Ito

  JOURNAL OF FLUID MECHANICS, Sep. 2016, Peer-reviewed

  
• Mixing in a Turbulent Multiscale Flow

  P. Baj; Y. Ito; K. Nagata; Y. Sakai; P. J. K. Bruce; O. R; H. Buxton

  Proc. of the 24th ICTAM, Aug. 2016

  
• LES-Lagrangian-Particles-Simulation of Turbulent Reactive Flows at High Sc Number Using Approximate Deconvolution Model

  T. Watanabe; K. Nagata

  AIChE Journal, Aug. 2016, Peer-reviewed

  
• Effects of stable stratification on turbulent/nonturbulent interfaces in turbulent mixing layers

  T. Watanabe; J. J. Riley; K. Nagata

  PHYSICAL REVIEW FLUIDS, Aug. 2016, Peer-reviewed

  
• Mixing model with multi-particle interactions for Lagrangian simulations of turbulent mixing

  T. Watanabe; K. Nagata

  PHYSICS OF FLUIDS, Aug. 2016, Peer-reviewed

  
• Implicit large eddy simulation of a scalar mixing layer in fractal grid turbulence

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  PHYSICA SCRIPTA, Jul. 2016, Peer-reviewed

  
• Turbulent mixing of a passive scalar in grid turbulence

  Y. Ito; T. Watanabe; K. Nagata; Y. Sakai

  PHYSICA SCRIPTA, Jul. 2016, Peer-reviewed

  
• Simultaneous measurement of velocity and pressure near the turbulent/non-turbulent interface of a planar turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Kazuhiro Onishi; Yuichi Shouji

  Experimental Thermal and Fluid Science, 01 Jul. 2016, Peer-reviewed

  
• Study on control of axisymmetric jet by half delta-wing shaped vortex generators (Part 2: Evaluation of statistics on the thermal field)

  Kensuke MIURA; Yasumasa ITO; Yasuhiko SAKAI; Koji IWANO; Koji NAGATA

  Transactions of the JSME (in Japanese), Jun. 2016, Peer-reviewed

  
• Large eddy simulation of grid-turbulence with chemical reactions at high Schmidt number

  渡邉 智昭; 長田 孝二

  年会講演会講演集, 14 Apr. 2016

  
• Experiment on the effect of grid turbulence on the excess pressure of the spherical shock wave

  西尾 俊亮; 猪熊 建登; 渡邉 智昭; 長田 孝二; 佐宗 章弘; 酒井 康彦

  年会講演会講演集, 14 Apr. 2016

  
• Spatial evolution of the helical behavior and the 2/3 power-law in single-square-grid-generated turbulence

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  FLUID DYNAMICS RESEARCH, Apr. 2016, Peer-reviewed

  
• Large eddy simulation study of turbulent kinetic energy and scalar variance budgets and turbulent/non-turbulent interface in planar jets

  Tomoaki Watanabe; Yasuhiko Sakai; Koji Nagata; Yasumasa Ito

  FLUID DYNAMICS RESEARCH, Apr. 2016, Peer-reviewed

  
• 215 Numerical simulation of separated-reattaching flow between fan blades and the factor of Aeroacoustic noise generation

  MAWATARI Shuta; GOTO Yusuke; IWANO Koji; SAKAI Yasuhiko; ITO Yasumasa; SAKAI Masaharu; ODA Shuzo; OCHIAI Yoshinori; NAGATA Koji

  東海支部総会講演会講演論文集, 17 Mar. 2016

  
• 227 Spatial development and decay characteristic of turbulence generated by fractal, classical, multi-scale grid

  SAIKI Teppei; NAGATA Koji; SAKAI Yasuhiko; ITO Yasumasa; IWANO Koji

  東海支部総会講演会講演論文集, 17 Mar. 2016

  
• 214 Experimental study on the Separated/Reattaching Flow Structure and Noise between the Blades

  GOTO Yuusuke; MAWATARI Shuuta; IWANO Koji; SAKAI Yasuhiko; ITO Yasumasa; SAKAI Masaharu; ODA Shuzo; OCHIAI Yoshinori; NAGATA Koji

  東海支部総会講演会講演論文集, 17 Mar. 2016

  
• 234 Optimal design for mesh shape of stents for internal carotid aneurysms

  MATSUDA Tatsuya; ITO Yasumasa; SAKAI Yasuhiko; IRIE Keiko; IWANO Koji; NAGATA Koji

  東海支部総会講演会講演論文集, 17 Mar. 2016

  
• Lagrangian properties of the entrainment across turbulent/non-turbulent interface layers

  Tomoaki Watanabe; Carlos B. da Silva; Yasuhiko Sakai; Koji Nagata; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Mar. 2016, Peer-reviewed

  
• Enstrophy production and dissipation in developing grid-generated turbulence

  Yi Zhou; Koji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Feb. 2016, Peer-reviewed

  
• Enhancement of Turbulent Diffusion in an Axisymmetric Jet by Vortex Generators

  Mamoru Takahashi; Kensuke Miura; Yasuhiko Sakai; Yasumasa Ito; Koji Iwano; Koji Nagata

  PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON JETS, WAKES AND SEPARATED FLOWS (ICJWSF2015), 2016, Peer-reviewed

  
• Dynamics and geometry of developing planar jets based on the invariants of the velocity gradient tensor

  Wu Nan-nan; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito

  JOURNAL OF HYDRODYNAMICS, Dec. 2015, Peer-reviewed

  
• On the turbulent energy transport related to the coherent structures in a planar jet

  Osamu Terashima; Yasuhiko Sakai; Yusuke Goto; Kazuhiro Onishi; Kouji Nagata; Yasumasa Ito

  Experimental Thermal and Fluid Science, 01 Nov. 2015, Peer-reviewed

  
• Investigation of Non-equilibrium Turbulence and Its Application to Flow Control

  Y. Sakai; K. Nagata; Y. Ito; K. Iwano; T. Hayase; T. Watanabe; Y. Zhou

  Proc. of the 15th International Symposium on Advanced Fluid Information (AFI-2015), Oct. 2015

  
• Measurement of the Wall Shear Stress by the Micro Hot-film Sensor in Wall Jet

  K. Iwano; S. Muramatsu; Y. Sakai; Y. Ito; K. Nagata

  Proceedings of 12th International Conference on Flow Dynamics (ICFD2015), Oct. 2015

  
• S0510101 Study on the Noise of Separated/Reattachment Flow between the Blades

  GOTO Yuusuke; IWANO Koji; SAKAI Yasuhiko; ITO Yasumasa; SAKAI Masaharu; ODA Shuzo; OCHIAI Toshinori; NAGATA Koji; MAWATARI Shuta

  Mechanical Engineering Congress, Japan, 13 Sep. 2015

  
• Relation between Enstrophy Production and Geometry Near the Turbulent/Non-Turbulent Interface in Free Shear Flows

  T. Watanabe; C. B. da Silva; Y. Sakai; K. Nagata

  Proceedings of the 15th European Turbulence Conference, Aug. 2015, Peer-reviewed

  
• 半デルタ翼形状を有するボルテックスジェネレータによる軸対称噴流の制御に関する研究（第1 報：速度場の統計量による評価）

  三浦健介; 伊藤靖仁; 酒井康彦; 岩野耕治; 長田孝二

  日本機械学会論文集, Aug. 2015, Peer-reviewed

  
• LES-Lagrangian particle method for turbulent reactive flows based on the approximate deconvolution model and mixing model

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  JOURNAL OF COMPUTATIONAL PHYSICS, Aug. 2015, Peer-reviewed

  
• Turbulent mixing of passive scalar near turbulent and non-turbulent interface in mixing layers

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Aug. 2015, Peer-reviewed

  
• On the evolution of the invariants of the velocity gradient tensor in single-square-grid-generated turbulence

  Yi Zhou; Koji Nagata; Yasuhiko Sakai; Yasumasa Ito; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Jul. 2015, Peer-reviewed

  
• On the velocity and pressure statistics during the flapping motion in a planar turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Kazuhiro Onishi; Yuichi Shouji

  International Journal of Heat and Fluid Flow, 01 Jun. 2015, Peer-reviewed

  
• Conditional statistics in a planar liquid jet with a second-order chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Takashi Kubo

  International Journal of Heat and Mass Transfer, Apr. 2015, Peer-reviewed

  
• 157 The Investigation of Spherical Shock Wave and Karman Vortex/Grid Turbulence Interaction Using PIV

  KONISHI Keizo; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; ITO Yasumasa; IWANO Koji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 156 A study on solid-liquid two-phase flows, with spherical / non-spherical particle dispersion by PIV

  WANG Shiwen; ITO Yasumasa; SAKAI Yasuhiko; NAGATA Kouji; IWANO Koji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 162 Statistical Characteristics near the Turbulent/Non-turbulent Interface of the Turbulent Boundary Layer Influenced by Freestream Turbulence

  滝崎 貴雄; 長田 孝二; 酒井 康彦; 伊藤 靖仁; 岩野 耕治

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 161 Direct numerical simulation of interaction between shock wave and homogeneous turbulence/Townsend's eddy

  TAKEUCHI Kosuke; NAGATA Kouji; SAKAI Yasuhiko; SAKAI Takeharu; SASOH Akihiro; Ito Yasumasa; IWANO Kouji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 148 Numerical Study on Coaxial Round Jets with Swirl

  LI Minghao; ITO Yasumasa; NAGATA Kouji; SAKAI Yasuhiko; TANNO Kenji; IWANO Koji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 158 Study on scalar diffusion and mixing in grid turbulence by PIV-PLIF measurement

  WATANABE Tomoyuki; ITO Yasumasa; NAGATA Kouji; SAKAI Yasuhiko; IWANO Koji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• 149 Study on turbulent jet diffusion with a chemical reaction at a high Schmidt number

  NAITO Takahiro; WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; IWANO Koji

  東海支部総会講演会講演論文集, 13 Mar. 2015

  
• Mixing and chemical reaction at high Schmidt number near turbulent/nonturbulent interface in planar liquid jet

  T. Watanabe; T. Naito; Y. Sakai; K. Nagata; Y. Ito

  PHYSICS OF FLUIDS, Mar. 2015, Peer-reviewed

  
• Effects of the cylinder wake in a freestream on joint velocity statistics of a turbulent boundary layer

  TAKIZAKI Takao; HIRUTA Kousuke; NAGATA Kouji; SAKAI Yasuhiko; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, Jan. 2015, Peer-reviewed

  
• Statistics near the Turbulent/Non-Turbulent Interfaces in an Axisymmetric Jet Influenced by Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; Y. Ito; M. Takahashi

  Proc. of the 5th TSME International Conference on Mechanical Engineering, Dec. 2014, Peer-reviewed

  
• Promotion of Chemical Reactions by a Grid in a Shear Mixing Layer

  Yasumasa Ito; Yasuhiko Sakai; Kouji Nagata

  CHEMICAL ENGINEERING & TECHNOLOGY, Dec. 2014, Peer-reviewed

  
• Control of Axisymmetric Jet by Vortex Generators

  M. Takahashi; K. Miura; K. Nagata; Y. Sakai; Y. Ito

  Proc. of the 6th International Conference on Vortex Flows and Vortex Models (ICVFM Nagoya 2014), Nov. 2014, Peer-reviewed

  
• Experimental study on the reaction rate of a second-order chemical reaction in a planar liquid jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  AIChE Journal, 01 Nov. 2014, Peer-reviewed

  
• Vortex stretching and compression near the turbulent/non-turbulent interface in a planar jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Toshiyuki Hayase

  JOURNAL OF FLUID MECHANICS, Nov. 2014, Peer-reviewed

  
• 1406 Visualization and Measurement of Shock-Vortex Interaction using PIV Techniques

  KONISHI Keizo; TAKEUCHI Kosuke; KITAMURA Takuya; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; ITO Yasumasa

  Fluids engineering conference ..., 25 Oct. 2014

  
• 空間発展する乱流の構造に及ぼす外部乱れの影響の解明およびその熱流動制御への応用

  酒井康彦; 早瀬敏幸; 長田孝二; 寺島修; 呉楠楠; 夏爽; 渡邉智昭

  東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書, Oct. 2014

  
• Effects of External Disturbances on Spatial Development of Turbulence and toward the Control of Thermo-Fluid Dynamics (Cases of Boundary Layer, Wake, and Jet)

  Y. Sakai; K. Nagata; Y. Ito; T. Hayase; S. Xia; Y. Zhou; T. Watanabe; A. Sasoh; N. Wu; K. Takeuchi

  Proc. of the 14th International Symposium on Advanced Fluid Information, Oct. 2014

  
• Heat Transfer in a Developing Region of a Boundary Layer Affected by a Wake of a Square Bar

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; T. Hayase

  Proc. of the 11th International Conference on Flow Dynamics, Oct. 2014

  
• The Helical Behavior of the Single-Square Grid-Generated Turbulence

  Y. Zhou; K. Nagata; Y. Sakai; Y. Ito; T. Hayase

  Proc. of the 11th International Conference on Flow Dynamics, Oct. 2014

  
• Reactive scalar field near the turbulent/non-turbulent interface in a planar jet with a second-order chemical reaction

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Oct. 2014, Peer-reviewed

  
• Enstrophy and passive scalar transport near the turbulent/non-turbulent interface in a turbulent planar jet flow

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Oct. 2014, Peer-reviewed

  
• S0510104 The Development and Decay of Turbulence Generated by the Multi-Scale Elements of the Fractal Grid

  SAIKI Teppei; NAGATA Koji; SAKAI Yasuhiko; ITO Yasumasa

  Mechanical Engineering Congress, Japan, 07 Sep. 2014

  
• S0510303 Measurement of wall shear stress with a patch-type hot-film sensor

  MURAMATSU Sora; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; SHIKIDA Mitsuhiro

  Mechanical Engineering Congress, Japan, 07 Sep. 2014

  
• S0510505 Passive control of axisymmetric jet with vortex generators

  Takahashi Mamoru; MIURA Kensuke; NAGATA Kouji; SAKAI Yasuhiko; ITO Yasumasa

  Mechanical Engineering Congress, Japan, 07 Sep. 2014

  
• Concentration Measurement in a Planar Liquid Jet with a Chemical Reaction by Using the Improved Concentration Measurement System Based on the Light Absorption Method

  T. Naito; T. Watanabe; Y. Sakai; K. Nagata; Y. Ito

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Numerical Study on a Boundary Layer with Heat Transfer Affected by a Wake of a Square Bar

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; T. Hayase

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• On the Measurement of Wall Shear Stress with a Patch-Type Micro-Fabricated Hot-Film Sensor

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; Y. Ito; S. Muramatsu

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Experimental Study on the Schmidt Number Dependence of the Scalar Derivative Statistics in a Liquid Axisymmetric Jet

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito; M. Yokoi

  Journal of Fluid Science and Technology, Sep. 2014, Peer-reviewed

  
• Measurement of Wall Shear Stress Fluctuation with the Micro-Fabricated Hot-film Sensor in a Boundary Layer of a Wall Jet

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; S. Muramatsu; Y. Ito

  Journal of the Japanese Society for Experimental Mechanics, Sep. 2014, Peer-reviewed

  
• Study on the Concentration Measurement in a Liquid Jet by the Optical Fiber LIF Method

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito

  Journal of the Japanese Society for Experimental Mechanics, Sep. 2014, Peer-reviewed

  
• Statistical behavior of post-shock overpressure past grid turbulence

  Akihiro Sasoh; Tatsuya Harasaki; Takuya Kitamura; Daisuke Takagi; Shigeyoshi Ito; Atsushi Matsuda; Kouji Nagata; Yasuhiko Sakai

  SHOCK WAVES, Sep. 2014, Peer-reviewed

  
• Turbulent Schmidt number and eddy diffusivity change with a chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  Journal of Fluid Mechanics, Sep. 2014, Peer-reviewed

  
• Wavelet analysis of coherent vorticity near the turbulent/non-turbulent interface in a turbulent planar jet

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  PHYSICS OF FLUIDS, Sep. 2014, Peer-reviewed

  
• Turbulent Mixing of a Passive Scalar in Grid Turbulence

  Y. Ito; T. Watanabe; K. Nagata; Y. Sakai

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2014

  
• Implicit Large Eddy Simulation of a Scalar Mixing Layer in Fractal-Grid Generated Turbulence

  T. Watanabe; Y. Sakai; K. Nagata; Y. Ito; T. Hayase

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2014

  
• Control of Momentum and Heat Transport in a Heated Axisymmetric Jet by Means of Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 15th International Heat Transfer Conference (IHTC-15), Aug. 2014, Peer-reviewed

  
• 反応を伴う液相二次元噴流における乱流・非乱流界面近傍の条件付統計量

  内藤尭啓; 渡邉智昭; 酒井康彦; 長田孝二; 伊藤靖仁

  日本機械学会論文集(B編), Aug. 2014, Peer-reviewed

  
• Influence of Reynolds Number on Coherent Structure, Flow Transition and Evolution of Plane Jet

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Jul. 2014, Peer-reviewed

  
• Scalar Mixing near Turbulence-Generating Grids

  T(omoyuki). Watanabe; Y. Ito; K. Nagata; Y. Sakai

  Proc. of the 16th International Symposium on Flow Visualization (ISFV16), Jun. 2014, Peer-reviewed

  
• PLIF法計測による統計分布に及ぼす時間変化/変動ノイズの影響予測（量子収率の時間変化・励起光強度・カメラゲイン変動の影響予測式と実験的検証）

  鈴木博貴; 長田孝二; 酒井康彦; 長谷川豊; 牛島達夫

  日本機械学会論文集(B編), May 2014, Peer-reviewed

  
• Simultaneous measurement of all three velocity components and pressure in a plane jet

  Osamu Terashima; Kazuhiro Onishi; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito

  Measurement Science and Technology, May 2014, Peer-reviewed

  
• The effects of inflow conditions on reactive-diffusive mechanism in a shear mixing layer at low Reynolds number

  Yasumasa Ito; Kouji Nagata; Yasuhiko Sakai; Osamu Terashima

  Experimental Thermal and Fluid Science, May 2014, Peer-reviewed

  
• 液相せん断混合層流の乱流遷移と混合反応機構 (多重物理・多重スケール乱流現象の数理)

  伊藤 靖仁; 小森 悟; 長田 孝二; 酒井 康彦

  数理解析研究所講究録, Apr. 2014

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• Development of turbulence behind the single square grid

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Hiroki Suzuki; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  PHYSICS OF FLUIDS, Apr. 2014, Peer-reviewed

  
• DNS Study on the Development of Boundary Layer with Heat Transfer under the Effects of External and Internal Disturbances

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Mar. 2014, Peer-reviewed

  
• Improvement of the constant temperature anemometer and measurement of energy spectra in a turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kazuhiro Onishi; Kouji Nagata; Yasumasa Ito; Kensuke Miura

  Flow Measurement and Instrumentation, Mar. 2014, Peer-reviewed

  
• Atypical lymphocytosis in vitreous fluid from a patient with herpetic endophthalmitis

  T. Inaba; K. Nagata

  International Journal of Laboratory Hematology, Feb. 2014

  
• 215 Development of micro-fabricated hot-film sensor by MEMS and study on its validation of the wall shear stress fluctuation measurement

  SAWADA Takuya; TERASHIMA Osamu; SAKAI Yasuhiko; Nagata Kouji; SHIKIDA Mitsuhiro; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2014

  
• 216 Investigation of Statistical Properties of Axisymmetric Jet Diffusion Field Controlled by Vortex Generators

  MIURA Kensuke; Nagata Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2014

  
• 214 Study on the Internal Separated and Inverse Flow between the Blades

  FURUTA Hiroki; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; ISHIGURO Shunsuke; SAKAI Masaharu

  The Proceedings of Conference of Tokai Branch, 2014

  
• 217 Study on the Schmidt (Prandtl) number dependence of the joint statistics between velocities and scalars in a liquid axisymmetric jet

  TAKEICHI Toshiki; SAKAI Yasuhiko; TERASHIMA Osamu; NAGATA Kouji; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2014

  
• 218 An experimental study on the statistical characteristics of turbulent boundary layer affected by grid turbulence

  NAKANO Shingo; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2014

  
• 603 Study on the flow characteristic in the cerebral aneurysm and effect of the medical device placement

  Masunaga Kohei; IRIE Keiko; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2014

  
• An attempt to measure wall shear stress fluctuation in a turbulent wall jet

  Takuya SAWADA; Osamu TERASHIMA; Yasuhiko SAKAI; Kouji NAGATA; Mitsuhiro SHIKIDA; Yasumasa ITO

  JSME FED News Letter, Jan. 2014

  
• Investigation of the turbulent energy transport in a plane turbulent jet by applyning POD-LSE complementary method

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  Transactions of the JSME (in Japanese), 2014, Peer-reviewed

  
• DNS of turbulent Schmidt number and eddy diffusivity for reactive concentrations

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa; HAYASE Toshiyuki

  Transactions of the JSME (in Japanese), 2014, Peer-reviewed

  
• On invariants in grid turbulence at moderate Reynolds numbers

  T. Kitamura; K. Nagata; Y. Sakai; A. Sasoh; O. Terashima; H. Saito; T. Harasaki

  Journal of Fluid Mechanics, 2014, Peer-reviewed

  
• Relevance of turbulence behind the single square grid to turbulence generated by regular- and multiscale-grids

  Yi Zhou; Kouji Nagata; Yasuhiko Sakai; Hiroki Suzuki; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  Physics of Fluids, 2014, Peer-reviewed

  
• In-Situ Concentration Measurement of Zincade Ion near Zinc Anode

  K. Haginosaki; Y. Ito; T. Mitsuhashi; Y. Sakai; K. Nagata; O. Terashima; T. Ujihara; M. Shikida; H. Hida

  Proc. of the International Symposium on EcoTopia Science '13 (ISETS'13), Dec. 2013, Peer-reviewed

  
• Measurement of Wall Shear Stress by Using Micro-Fabricated Hot Film and Floating-Element Sensors

  O. Terashima; T. Sawada; Y. Sakai; K. Nagata; H. Hida; M. Shikida

  Journal of the Japanese Society for Experimental Mechanics, Dec. 2013, Peer-reviewed

  
• Direct numerical simulation of fractal-generated turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Fluid Dynamics Research, Dec. 2013, Peer-reviewed

  
• Study on the Concentration Measurement in the Fine Scale Region in a Liquid Jet by the Optical Fiber LIF Method

  T. Takeichi; Y. Sakai; O. Terashima; K. Nagata; Y. Ito; T(omoaki). Watanabe

  Proc. of the 8th International Symposium on Advanced Science and Technology in Experimental Mechanics (8th ISEM '13-Sendai), Nov. 2013, Peer-reviewed

  
• Measurements of Wall Shear Stress Fluctuation with the Micro-Fabricated Hot-Film Sensor in a Boundary Layer of Wall Jet

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; H. Hida; Y. Ito

  Proc. of the 8th International Symposium on Advanced Science and Technology in Experimental Mechanics (8th ISEM '13-Sendai), Nov. 2013, Peer-reviewed

  
• DNS Study on Boundary Layer with Heat Transfer affected by Disturbances Created by a Grid and Small Cubes

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 10th International Conference on Flow Dynamics (ICFD), Nov. 2013

  
• Reynolds-Number Dependency of Budget of Kinetic Energy and Turbulence Structure in Plane Jet

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 10th International Conference on Flow Dynamics (ICFD), Nov. 2013

  
• Effects of External Disturbances on Spatial Development of Turbulence and toward the Control of Thermo-Fluid Dynamics (Cases of Boundary Layer and Jets)

  K. Nagata; Y. Sakai; T. Hayase; O. Terashima; N. Wu; S. Xia; T. Watanabe; Y. Ito; Y. Zhou; A. Sasoh

  Proc. of the 13th International Symposium on Advanced Fluid Information (AFI-2013), Nov. 2013

  
• 反応性乱流拡散場における乱流拡散係数と乱流シュミット数

  渡邉智昭; 酒井康彦; 長田孝二; 寺島修

  日本機械学会論文集(B編), Nov. 2013, Peer-reviewed

  
• Momentum and mass transfer in developing liquid shear mixing layers

  Yasumasa Ito; Kouji Nagata; Yasuhiko Sakai; Osamu Terashima

  Experimental Thermal and Fluid Science, Nov. 2013, Peer-reviewed

  
• An attempt to improve accuracy of higher-order statistics and spectra in direct numerical simulation of incompressible wall turbulence by using the compact schemes for viscous terms

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  International Journal for Numerical Methods in Fluids, 30 Oct. 2013, Peer-reviewed

  
• 空間発展する乱流の構造に及ぼす外部乱れの影響の解明およびその熱流動制御への応用

  酒井康彦; 早瀬敏幸; 長田孝二; 寺島修; 呉楠楠; 夏爽; 渡邉智昭

  東北大学流体科学研究所共同利用・共同研究拠点流体科学研究拠点活動報告書, Oct. 2013

  
• Experimental Investigation of Eddy Diffusivity in a Reactive Liquid Jet

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 14th European Turbulence Conference (ETC14), Sep. 2013, Peer-reviewed

  
• On the Measurement of Wall Shear Stress with a Micro-Fabricated Hot-Film Sensor

  T. Sawada; O. Terashima; Y. Sakai; K. Nagata; M. Shikida; H. Hida; K. Onishi; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Study on the Effects of Grid-Generated Turbulence on the Initial Growth of Turbulent Boundary Layer by Direct Numerical Simulation

  S. Xia; Y. Ito; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Effects of Initial Condition on Coherent Structure and Evolution of Turbulent Plane Jets

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Measurement of Fluctuating Temperature and Analysis of Eigenmodes by KL Expansion in a Heated Plane Jet

  O. Terashima; Y. Sakai; K. Nagata; Y. Ito; K. Onishi; Y. Goto; K. Miura

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Experimental Study on the Schmidt Number Dependence of the Scalar Derivative Statistics in a Liquid Axisymmetric Jet

  T. Takeichi; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Stereo PIV Measurement of Regular and Fractal Grid Turbulence in Liquid

  T(omoyuki). Watanabe; K. Hoshino; Y. Ito; K. Nagata; Y. Sakai; O. Terashima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Improvement of a Spatial Resolution of Concentration Measurement System Based on the Light Absorption Spectrometric Method

  T. Naito; T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Conditional Statistics of Reactive Concentrations in a Planar Liquid Jet

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• The Effects of a Cylinder Wake in a Freestream on a Flat Plate Turbulent Boundary Layer

  T. Takizaki; K. Hiruta; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• On the Enhancement of Mixing and Diffusion in an Axisymmetric Jet by Means of Vortex Generators

  K. Miura; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Structure of Turbulent Boundary Layer Influenced by Freestream Turbulence Generated by Grids

  S. Nakano; K. Nagata; Y. Sakai; T. Kitayama; O. Terashima; Y. Ito

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Production and Transport of Turbulent Kinetic Energy in Fractal-Generated Turbulence

  T. Inaba; K. Nagata; Y. Sakai; H(iroyuki). Suzuki; O. Terashima; H(iroki). Suzuki

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Direct Numerical Simulation of Single-Square Grid-Generated Turbulence

  Y. Zhou; K. Nagata; Y. Sakai; H. Suzuki; Y. Ito; O. Terashima; T. Hayase

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• DNS study on Small-Scale Characteristics of Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• Influence of Mainstream Turbulence on Axisymmetric Jet Diffusion Field

  K. Nagata; Y. Sakai; T. Inaba; T. Yamaguchi; O. Terashima

  Proc. of the 4th International Conference on Jets, Wakes and Separated Flows (The 4th ICJWSF), Sep. 2013, Peer-reviewed

  
• DNS on Multiscale-Generated Grid Turbulence Using Classical Grid

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; Y. Hasegawa; T. Ushijima

  Proc. of the International Symposium on Turbulence and Shear Flow Phenomena (TSFP-8), Aug. 2013, Peer-reviewed

  
• Analysis of Flow Characteristics of Turbulent Plane Jets Based on Velocity and Scalar Fields Using DNS

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Journal of Fluid Science and Technology, Aug. 2013, Peer-reviewed

  
• Fractal analysis of turbulent mixing in fractal-generated turbulence by planar laser-induced fluorescence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Yutaka Hasegawa

  Physica Scripta, Jul. 2013, Peer-reviewed

  
• Joint statistics between velocity and reactive scalar in a turbulent liquid jet with a chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima

  Physica Scripta, Jul. 2013, Peer-reviewed

  
• An Attempt to Improve Accuracy of PIV Using an Interpolation Method

  H. Suzuki; T. Ushijima; Y. Hasegawa; K. Nagata; Y. Sakai

  Proc. of the 12th Asian Symposium on Visualization, May 2013, Peer-reviewed

  
• Velocity Measurement in a Turbulent Jet with a Hot-wire Anemometer : Influence of the Circuit in a CTA on the Measurement Accuracy

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• Sound Detection in a Flow by Static Pressure Measurement

  TERASHIMA Osamu; WATANABE Toru; MORITA Kiyoshi; ABE Yukinobu; SAKAI Yasuhiko; NAGATA Kouji; ONISHI Kazuhiro

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• Experimental Study on the Separated Flow around a Two-dimensional Blade by Tandem-type Hot-wire Probe

  FURUTA Hiroki; TERASHIMA Osamu; ISHIGURO Shunsuke; SAKAI Masaharu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; ONISHI Kazuhiro

  Journal of the Japanese Society for Experimental Mechanics, 28 Mar. 2013, Peer-reviewed

  
• 228 等方性乱流場と平面衝撃波の相互干渉に関する直接数値シミュレーション(OS3-3 乱流現象の実験と数値シミュレーション(3),OS3 乱流現象の実験と数値シミュレーション)

  齋藤 大輝; 酒井 武治; 佐宗 章弘; 長田 孝二; 酒井 康彦; 北村 拓也; 早瀬 敏幸

  東海支部総会講演会講演論文集, 18 Mar. 2013

  
• S053023 Effects of initial conditions on the decay characteristic in grid turbulence

  KITAMURA Takuya; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; TERASHIMA Osamu

  The Proceedings of Mechanical Engineering Congress, Japan, 2013

  
• S054062 Conditional Statistics of Concentrations in a Liquid Jet with a Chemical Reaction

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Mechanical Engineering Congress, Japan, 2013

  
• 0511 An attempt to measure wall shear stress fluctuation in a turbulent wall jet

  SAWADA Takuya; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; SHIKIDA Mitsuhiro; ITO Yasumasa

  The Proceedings of the Fluids engineering conference, 2013

  
• 0601 Concentration statistics near the turbulent / non-turbulent interface of a planar liquid jet with a chemical reaction

  NAITO Takahiro; WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; TERASHIMA Osamu

  The Proceedings of the Fluids engineering conference, 2013

  
• 0603 ANALYSIS OF EIGENMODES BY KL EXPANSION IN A HETED PLANE JET

  GOTO Yusuke; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa; MIURA Kensuke

  The Proceedings of the Fluids engineering conference, 2013

  
• 0630 On the enhancement of mixing and diffusion in an axisymmetric jet by means of static/moving prominences

  MIURA Kensuke; SAKAI Yasuhiko; NAGATA Koji; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of the Fluids engineering conference, 2013

  
• G0903 Study on the Schmidt number dependence of the high order statistics of concentration of diffusing matters

  TAKEICHI Toshiki; SAKAI Yasuhiko; TERASHIMA Osamu; NAGATA Kouji; ITO Yasumasa; WATANABE Tomoaki

  The Proceedings of the Fluids engineering conference, 2013

  
• 221 Study on scalar mixing in regular and fractal grid turbulence by PIV-PLIF measurement

  HOSHINO Koichi; NAGATA Kouji; ITO Yasumasa; SUZUKI Hiroki; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2013

  
• 226 Numerical Simulation of a Reactive Planar Jet by Using DNS and PDF Methods

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa; HAYASE Toshiyuki

  The Proceedings of Conference of Tokai Branch, 2013

  
• 231 Investigation of the turbulent energy transport mechanism involved with coherent structures in a plane jet

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; Nagata Kouji; ITO Yasumasa

  The Proceedings of Conference of Tokai Branch, 2013

  
• 238 乱流境界層の統計的特性に及ぼす主流乱れの影響に関する実験的研究(OS3-5 乱流現象の実験と数値シミュレーション(5),OS3 乱流現象の実験と数値シミュレーション)

  晝田 紘佑; 長田 孝二; 酒井 康彦; 寺島 修; 伊藤 靖仁

  東海支部総会講演会講演論文集, 2013

  
• Rapid distortion theory analysis on the interaction between isotropic turbulence and shock wave

  Kitamura Takuya; Takeuchi Kousuke; Nagata Kouji; Sakai Yasuhiko; Sasoh Akihiro; Terashima Osamu

  NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan, 2013

  
• 220 Study on the interaction between grid turbulence and a shock wave

  KITAMURA Takuya; NAGATA Kouji; SAKAI Yasuhiko; SASOH Akihiro; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2013, Peer-reviewed

  
• A technique for the measurement of wall shear stress based on micro fabricated hot-film sensor

  Takuya Sawada; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Mitsuhiro Shikida; Hirotaka Hida; Kazuhiro Onishi; Yasumasa Ito

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2013, Peer-reviewed

  
• Experimental study on the internal separated and inverse flow between the blades

  Hiroki Furuta; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata; Shunsuke Ishiguro; Masaharu Sakai; Yasumasa Ito

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2013, Peer-reviewed

  
• DNS-PDF simulation of turbulent mixing in a reactive planar jet

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Yasumasa Ito; Osamu Terashima; Toshiyuki Hayase

  Communications in Computer and Information Science, 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (1st Report, Measurements of Fundamental Turbulence Properties by Using an I-Type Hot-Wire Probe)

  NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Effects of the Cylinder Wake in a Freestream on Statistical Properties of a Turbulent Boundary Layer

  NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Experimental Study on the Mixing of High-Schmidt-Number Scalar in Regular/Fractal Grid Turbulence

  NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Simultaneous Measurement of Three Velocity Components and Static Pressure in Turbulent Flows

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji; ITO Yasumasa

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-Grid Turbulence (2nd Report, Measurements of Turbulent Kinetic Energy Transport by Using I- and X-Type Hot-Wire Probes)

  INABA Takuto; NAGATA Kouji; SAKAI Yasuhiko; SUZUKI Hiroyuki; TERASHIMA Osamu; SUZUKI Hiroki

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Scalar Dissipation Rate in a Planar Liquid Jet with a Chemical Reaction (Experimental Study on the Evaluation of the Conditional Moment Closure Equation)

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Conditional Statistics in a Liquid Jet with a Chemical Reaction

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Direct numerical simulation of grid-generated turbulence (analysis on invariants and rotta model)

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase; Yutaka Hasegawa; Tatsuo Ushijima

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2013, Peer-reviewed

  
• Numerical Simulation of Reactive Planar Jet by Combining the Probability Density Function Method with Direct Numerical Simulation

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa; HAYASE Toshiyuki

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Experimental Study on a Reaction Rate in a Reactive Liquid Jet

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Aeroacoustic Measurement with Combined Proper Orthogonal Decomposition Analysis

  TERASHIMA Osamu; WATANABE Toru; MORITA Kiyoshi; ABE Yukinobu; SAKAI Yasuhiko; NAGATA Kouji; ONISHI Kazuhiro

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2013, Peer-reviewed

  
• Visualization of turbulent reactive jet by using direct numerical simulation

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Hiroki Suzuki; Toshiyuki Hayase; Yasumasa Ito

  International Journal of Modeling, Simulation, and Scientific Computing, 2013, Peer-reviewed

  
• Turbulence structure and turbulence kinetic energy transport in multiscale/fractal-generated turbulence

  Kouji Nagata; Yasuhiko Sakai; Takuto Inaba; Hiroki Suzuki; Osamu Terashima; Hiroyuki Suzuki

  Physics of Fluids, 2013, Peer-reviewed

  
• G402 Improvement of the PIV using an Interpolation Technique

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HASEGAWA Yutaka; USHIJIMA Tatsuo

  Fluids engineering conference ..., 16 Nov. 2012

  
• Simultaneous Measurement of Pressure and Three-Velocity Components by the Combination of Micro-Fabricated Probe and Two X-type Hot-wires in Turbulent Flows

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc. of the 7th ISEM'12, Nov. 2012, Peer-reviewed

  
• Simultaneous measurements of reactive scalar and velocity in a planar liquid jet with a second-order chemical reaction

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Takashi Kubo

  Experiments in Fluids, Nov. 2012, Peer-reviewed

  
• On the Pressure Diffusion Process in a Plane Turbulent Jet by the Simultaneous Measurement of Velocity and Pressure

  O. Terashima; Y. Sakai; K. Nagata; K. Onishi

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Promotion of Fluid Mixing and Chemical Reaction in Liquid Flows

  Y. Ito; S. Komori; K. Nagata; Y. Sakai; O. Terashima

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Experimental Study on Scalar Mixing Layer in Regular/Fractal Grid Turbulence

  Y. Sakai; K. Nagata; H. Suzuki; K. Hoshino; O. Terashima; Y. Ito

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Direct Numerical Simulation of Fractal/Multiscale-Generated Turbulence

  K. Nagata; Y. Sakai; H. Suzuki; O. Terashima

  Abstract of the 9th China-Japan Workshop on Turbulent Flows, Oct. 2012, Invited

  
• Simultaneous measurement of velocity and pressure in a plane jet: Development of well-Arranged combined probe and estimation of turbulent energy budget

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  Experiments in Fluids, Oct. 2012, Peer-reviewed

  
• Turbulent Boundary Layer Influenced by Cylinder Wake in a Freestream

  K. Hiruta; K. Nagata; Y. Sakai; O. Terashima; Y. Ito

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on the Turbulent Boundary Layer

  S. Xia; K. Hiruta; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Experimental Study on Low Mach Number Grid Turbulence Modulated by a Spherical Shock Wave

  T. Kitamura; T. Harasaki; K. Nagata; Y. Sakai; A. Sasoh; O. Terashimai

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Analysis of Flow Characteristics of Turbulent Plane Jets Based on Velocity and Scalar Fields Using DNS

  N. Wu; Y. Sakai; K. Nagata; H. Suzuki; O. Terashima; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• Effects of External Disturbances on Spatially Developing Turbulence and Its Application to Control of Thermo-Fluid Dynamics

  Y. Sakai; K. Nagata; T. Hayase; O. Terashima; N. Wu; S. Xia; T. Watanabe; T. Kitamura; K. Hiruta; H. Saito; T. Sakai; A. Sasoh; Y. Ito

  Proc. of the 12th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI-2012), Sep. 2012

  
• Numerical Simulation of a Reactive Liquid Jet by Combination of DNS and PDF Method

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima; Y. Ito; T. Hayase

  Proc. of the 9th International Conference on Flow Dynamics (ICFD), Sep. 2012

  
• The Influence of the Coherent Structure on Turbulent Energy Transport in a Plane Jet

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc of the 9th European Fluid Mechanics Conference (EFMC9), Sep. 2012, Peer-reviewed

  
• Direct Numerical Simulation of Eddy Diffusivity in a Plane Jet with a Second-Order Reaction

  T. Watanabe; Y. Sakai; K. Nagata; H. Suzuki; Y. Ito; O. Terashima; T. Hayase

  Proc. of the International Conference on Simulation Technology 2012 (JSST 2012), Sep. 2012, Peer-reviewed

  
• 輝度分布補間によるPIV計測精度向上（擬似粒子画像によるフーリエ補間の導入効果の解析）

  鈴木博貴; 長田孝二; 酒井康彦

  日本機械学会論文集(B編), Jun. 2012, Peer-reviewed

  
• On the Development of a Composite Probe for the Simultaneous Measurement of Instantaneous Velocity and Temperature in an Axisymmetric Turbulent Jet Using Hot and Cold Wires

  安藤 祐斗; 大西 一弘; 寺島 修

  数理科学会論文集, Jun. 2012, Peer-reviewed

  
• Quantitative visualization of high-Schmidt-number turbulent mixing in grid turbulence by means of PLIF

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai

  JOURNAL OF VISUALIZATION, May 2012, Peer-reviewed

  
• 反応性乱流拡散場における速度と濃度の結合統計量

  渡邉智昭; 酒井康彦; 長田孝二; 寺島 修

  日本機械学会論文集(B編), 25 Apr. 2012, Peer-reviewed

  
• 二次反応を伴う液相二次元噴流における速度と反応性スカラー量の同時計測

  渡邉智昭; 酒井康彦; 安原大樹; 長田孝二; 寺島 修; 久保 貴

  日本機械学会論文集(B編), 25 Apr. 2012, Peer-reviewed

  
• 二次元乱流噴流の速度-圧力同時計測 （間欠領域の条件付平均量と拡散項のモデルに関する考察）

  寺島 修; 酒井康彦; 長田孝二

  日本機械学会論文集(B編), 25 Mar. 2012, Peer-reviewed

  
• Investigation of Turbulent Phenomenon by the Measurements of Fluctuating Pressure with a Small Microphone (Analysis of Eigenmodes by KL Expansion)

  K. Onishi; O. Terashima; Y. Sakai; K. Nagata

  Proc. of the 8th KSME-JSME Thermal and Fluids Engineering Conference, Mar. 2012, Peer-reviewed

  
• Experimental Study on the Spatial Development of Multiscale/Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; H. Suzuki; O. Terashima

  Proc. of the 8th KSME-JSME Thermal and Fluids Engineering Conference, Mar. 2012, Peer-reviewed

  
• Development of Scalar Mixing Layer in Regular/fractal Grid Turbulence

  Y. Sakai; K. Nagata; H. Suzuki; K. Hoshino; O. Terashima

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Simultaneous Measurement of the Velocity and Pressure near the Turbulent/nonturbulent Interface

  O. Terashima; Y. Sakai; K. Nagata

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Numerical Simulation of Turbulence Genereted by the Multiscale Grid

  H. Suzuki; K. Nagata; Y. Sakai; H. Toshiyuki; Y. Hasegawa

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• Wind Tunnel Experiments on the Spatial Development of Fractal-generetad Turbulence

  K. Nagata; Y. Sakai; Hiroyuki Suzuki; Hiroki Suzuki; O. Terashima

  Bulletin of the 2nd UK-Japan Bilateral Workshop and 1st ERCOFTAC Workshop on Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2012, Invited

  
• 201 Study on the spatial development and decay characteristic of fractal grid turbulence

  SUZUKI Hiroyuki; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2012

  
• 202 An experimental study on the interference between grid turbulence and turbulent boundary layer

  KITAYAMA Tomoyuki; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2012

  
• 207 Study on Schmidt (Prandtl) number dependence of scalar statistics in a turbulent jet

  KAWAGUCHI Tatsuya; SAKAI Yasuhiko; NAGATA Koji; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2012

  
• 208 Investigation of the spatial development of velocity and scalar fields of turbulent plane jets using direct numerical simulation

  Wu Nannan; Sakai Yasuhiko; Nagata Kouji; Suzuki Hiroki; Sugimoto Daisuke; Terashima Osamu

  The Proceedings of Conference of Tokai Branch, 2012

  
• 211 Study cause of formation to rupture in aneurysm by PIV experiment and numerical simulation

  SAEGUSA Hiroyuki; KOJIMA Masahiro; SAKAI Yasuhiko; NAGATA Kouiji; TERASHIMA Osamu; ISODA Haruo

  The Proceedings of Conference of Tokai Branch, 2012

  
• 209 Study on simultaneous measurement of velocity and temperature and mixing enhancement in an axisymmetric jet

  ANDO Yuto; SAKAI Yasuhiko; TERASHIMA Osamu; NAGATA Kouji; ONISHI Kazuhiro

  The Proceedings of Conference of Tokai Branch, 2012

  
• 212 Study on the Internal Separated Flow between the Blades

  SHOJI Yuichi; ISHIGURO Shunsuke; SAKAI Masaharu; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji

  The Proceedings of Conference of Tokai Branch, 2012

  
• 0106 Study on Schmidt number dependence of the scalar derivative statistics in a liquid axisymmetric jet

  TAKEICHI Toshiki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu

  The Proceedings of the Fluids engineering conference, 2012

  
• 0139 Study on the turbulent energy transport involved with the coherent structures in a plane jet

  ONISHI Kazuhiro; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji

  The Proceedings of the Fluids engineering conference, 2012

  
• S053035 Eddy Diffusivity and Turbulent Schmidt Number in a Reactive Planar Jet in Liquid Phase

  WATANABE Tomoaki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of Mechanical Engineering Congress, Japan, 2012

  
• S053071 Effect of Cylinder Wake in a Freestream on Characteristics of Turbulent Boundary Layer and Bursting Event

  HIRUTA Kousuke; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; ITO Yasumasa

  The Proceedings of Mechanical Engineering Congress, Japan, 2012

  
• S053061 Experimental and Numerical Study on the Separated-Reattaching Flow between the Blades

  FURUTA Hiroki; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Koji; ISHIGURO Shunsuke; SAKAI Masaharu

  The Proceedings of Mechanical Engineering Congress, Japan, 2012, Peer-reviewed

  
• Investigation of eddy diffusivity in a reactive plane jet by using direct numerical simulation

  Tomoaki Watanabe; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Yasumasa Ito; Hiroki Suzuki; Toshiyuki Hayase

  Communications in Computer and Information Science, 2012, Peer-reviewed

  
• S053073 Study on the measurement of wall shear stress by using micro sensor

  SAWADA Takuya; TERASHIMA Osamu; SAKAI Yasuhiko; NAGATA Koji; HIDA Hirotaka; SHIKIDA Mitsuhiro

  The Proceedings of Mechanical Engineering Congress, Japan, 2012, Peer-reviewed

  
• Improvement of constant temperature anemometer and measurement of energy spectra in a plane turbulent jet

  Osamu Terashima; Kazuhiro Onishi; Yasuhiko Sakai; Kouji Nagata

  ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2012, Peer-reviewed

  
• Characteristics of Two-Dimensional Turbulent Jet in Flapping Motion

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on the Improvement of Frequency Response of the Constant Temperature Anemometer

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on the Interfacial Layer between the Turbulent/Non-Turbulent Region in a Two-Dimensional Turbulent Jet

  TERASHIMA Osamu; NAGATA Kouji

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• On Invariants in Energy Decay Region in Grid Turbulence

  KITAMURA Takuya; HARASAKI Tatsuya

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2012, Peer-reviewed

  
• Study on Turbulent Plane Jet with Chemical Reaction in Liquid (translated paper)

  T. Kubo; Y. Fukumura; Y. Sakai; K. Nagata

  Journal of Fluid Science and Technology, Jan. 2012, Peer-reviewed

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on a Turbulent Boundary Layer with Heat Transfer

  Y. Sakai; K. Nagata; H. Suzuki; T. Hayase

  Proc. of the 11th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI 2011), Nov. 2011

  
• C124 Effects of freestream turbulence on heat transfer in a turbulent boundary layer

  Suzuki Hiroki; Nagata Kouji; Sakai Yasuhiko; Hayase Toshiyuki

  Procee[d]ings of Thermal Engineering Conference, 28 Oct. 2011

  
• Turbulent Mixing in the Plane Liquid Jet with the Second-Order Chemical Reaction

  T. Watanabe; Y. Sakai; K. Nagata; O. Terashima

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2011

  
• PLIF Analysis on the Fractal Dimension of High-Schmidt Number Scalar Mixing in Fractal-Generated Turbulence

  H. Suzuki; Y. Sakai; K. Nagata

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2011

  
• Post-Shock Pressure Modulation Through Grid Turbulence

  D. Takagi; S. Ito; K. Takeya; A. Sasoh; K. Nagata; Y. Sakai

  Proc. of the 28th International Symposium on Shock Waves (ISSW28), Jul. 2011, Peer-reviewed

  
• Effects of small-scale freestream turbulence on turbulent boundary layers with and without thermal convection

  Kouji Nagata; Yasuhiko Sakai; Satoru Komori

  PHYSICS OF FLUIDS, Jun. 2011, Peer-reviewed

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• 流れの夢コンテストへのチャレンジ ～参加者と実行委員の立場から

  鵜飼涼太; 長田孝二; 酒井康彦; 久保貴; 寺島修

  日本機械学会流体工学部門ニューズレター, Apr. 2011

  
• 309 Experimental studies on high-Sc-number scalar turbulent transfer by means of time-resolved PIV and PLIF

  UKAI Ryota; SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko

  東海支部総会講演会講演論文集, 01 Mar. 2011

  
• 311 DNS Study on the Spatial Evolution of the Velocity and Scalar Field of a Plane Jet

  SUGIMOTO Daisuke; SUZUKI Hiroki; SAKAI Yasuhiko; NAGATA Kouji

  東海支部総会講演会講演論文集, 01 Mar. 2011

  
• DNS on Spatially Developing Fractal Generated Turbulence with Heat Transfer

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Mixing of High-Schmidt Number Scalar in Regular/Fractal Grid Turbulence: Experiments by PIV and PLIF

  Y. Sakai; K. Nagata; H. Suzuki; R. Ukai

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Reexamination of Fractal-Generated Turbulence Using a Smaller Wind Tunnel

  K. Nagata; Y. Sakai; Hiroyuki Suzuki; Hiroki Suzuki

  Bulletin of the 1st UK-Japan Bilateral Workshop Turbulent Flows Generated/designed in Multiscale/fractal Ways: Fundamentals and Application, Mar. 2011, Invited

  
• Simultaneous Measurement of Instantaneous Two-Component Velocities and Concentration in an Axisymmetric CO2 Turbulent Jet Diffusion Field by Using Composite Hot-Wire Probe

  SAKAI Yasuhiko; NAGATA Kouji; KUBO Takashi; ICHINO Shuhei; HORIUCHI Kenji

  Transactions of the Japan Society of Mechanical Engineers Series C, Mar. 2011, Peer-reviewed

  
• Statistical Properties of a Turbulent Boundary Layer Affected by Grid-Generated Turbulence (Analysis of Spatial Development by Means of Direct Numerical Simulation)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki

  Transactions of the Japan Society of Mechanical Engineers Series C, Mar. 2011, Peer-reviewed

  
• Distorted turbulence and secondary flow near right-angled plates

  K. Nagata; J. C. R. Hunt; Y. Sakai; H. Wong

  JOURNAL OF FLUID MECHANICS, Feb. 2011, Peer-reviewed

  
• Study on conditional statistics in two-dimentional liquid jet with the second-order chemical reaction

  Tomoaki Watanabe; Hiroki Yasuhara; Yasuhiko Sakai; Takashi Kubo; Kouji Nagata; Osamu Terashima

  ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011, 2011, Peer-reviewed

  
• Characteristics of the scalar field in a turbulent liquid jet and a fundamental study on the micro scale concentration measurements by the optical fiber LIF method

  Tatsuya Kawaguchi; Yasuhiko Sakai; Kouji Nagata; Osamu Terashima; Shoichi Takaku

  ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011, 2011, Peer-reviewed

  
• The development of extremely-compact static pressure probe for the simultaneous measurement of pressure and velocity in the turbulent flows

  Kazuhiro Onishi; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011, 2011, Peer-reviewed

  
• Effect of pressure fluctuation at nozzle exit on flapping phenomena in a two-dimensional jet

  Yuichi Shoji; Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011, 2011, Peer-reviewed

  
• Study on the interfacial layers between the turbulent/non turbulent regions in two dimensional turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011, 2011, Peer-reviewed

  
• 310 Experimental study on the reactive scalar dispersion in the two-dimensional liquid jet

  YASUHARA Hiroki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2011

  
• 357 Experimental Study on a Grid Turbulence with Shock Wave Interaction

  ITO Shigeyoshi; TAKAGI Daisuke; SAKAI Yasuhiko; NAGATA Koji; TERASHIMA Osamu; SASO Akihiro

  The Proceedings of Conference of Tokai Branch, 2011

  
• 366 Study on properties of turbulent boundary layers affected by large-scale free-stream turbulence

  TSUKUDA Saori; SUZUKI Hiroki; NAGATA Kouji; KITAYAMA Tomoyuki; SAKAI Yasuhiko; TERASHIMA Osamu

  The Proceedings of Conference of Tokai Branch, 2011

  
• 355 Study on the composite probe for simultaneous measurement of velocity and temperature

  ANDO Yuto; ONISHI Kazuhiro; TERASHIMA Osamu; NAGATA Kouji; SAKAI Yasuhiko

  The Proceedings of Yamanashi District Conference, 2011

  
• S054073 Schmidt (Prandtl) number dependence of scalar statisitics in a turbulent liquid jet and a study on the development of microscale concentration probe by the optical fiber LIF method

  KAWAGUCHI Tatsuya; SAKAI Yasuhiko; NAGATA Koji; TERASHIMA Osamu

  The Proceedings of Mechanical Engineering Congress, Japan, 2011

  
• S054071 The Simultaneous Measurement of Three Velocity Components and Static Pressure in a Two Dimensional Jet

  ONISHI Kazuhiro; TERAHIMA Osamu; SAKAI Yasuhiko; NAGATA Kouji

  The Proceedings of Mechanical Engineering Congress, Japan, 2011

  
• The statistical analysis of flapping phenomenon in a two-dimensional turbulent jet

  Osamu Terashima; Yasuhiko Sakai; Kouji Nagata

  7th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2011, 2011, Peer-reviewed

  
• Effects of Freestream Turbulence on an Axisymmetric CO2 Turbulent Jet Diffusion Field

  NAGATA Kouji; SAKAI Yasuhiko; YAMAGUCHI Takuya; TERASHIMA Osamu

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2011, Peer-reviewed

  
• Improvement of the Probe for Simultaneous Measurement of Velocity and Pressure for High Measurement Accuracy

  庄司 裕一; 寺島 修; 酒井 康彦; 長田 孝二

  Journal of the Japanese Society for Experimental Mechanics, 2011, Peer-reviewed

  
• DNS on a spatially developing grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase

  13TH EUROPEAN TURBULENCE CONFERENCE (ETC13): INSTABILITY, TRANSITION, GRID TURBULENCE AND JETS, 2011, Peer-reviewed

  
• DNS of Grid Turbulence with Scalar Transfer Using the Immersed Boundary Method and Fully Conservative Higher-Order Finite-Difference Schemes

  K. Nagata; H. Suzuki; Y. Sakai; T. Hayase

  Proc. of International Workshop on Process Intensification 2010 (IWPI2010), Dec. 2010

  
• フラクタル格子により生成されるマルチスケール誘起乱流の構造とスカラー拡散機構(第2報，DNSによる一様等方性と間欠性に及ぼす格子パラメータの影響の検討)

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸

  日本機械学会論文集(B編), Dec. 2010, Peer-reviewed

  
• On the control of an axisymmetric turbulent jet using moving vortex generators

  長田孝二; 酒井康彦; 谷中紀公; 寺島修

  Transactions of the Society for Mathematical Sciences, Dec. 2010, Peer-reviewed

  
• High-Schmidt-number scalar transfer in regular and fractal grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Ryota Ukai

  PHYSICA SCRIPTA, Dec. 2010, Peer-reviewed

  
• Direct numerical simulation of turbulent mixing in regular and fractal grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Toshiyuki Hayase

  PHYSICA SCRIPTA, Dec. 2010, Peer-reviewed

  
• Fly By Light Power: Improvement of Supersonic Flight Performance Using Laser Power

  A. Sasoh; T. Sakai; Y. Sakai; K. Nagata; A. Matsuda

  Proc. of the 7th International Conference on Flow Dynamics (ICFD2010), Nov. 2010

  
• Direct Numerical Simulation on the Effects of Free-stream Turbulence on an Isothermal Turbulent Boundary Layer

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the 10th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration (AFI/TFI 2010), Nov. 2010

  
• 二成分瞬間速度と瞬間圧力同時計測用複合型プローブの改良と二次元噴流の乱れエネルギ輸送評価に関する研究

  寺島 修; 酒井康彦; 庄司裕一; 小島悠揮; 長田孝二; 久保 貴

  日本機械学会論文集(B編), Nov. 2010, Peer-reviewed

  
• The Image Correction Method for PLIF Measurements of High-Schmidt-Number Scalar Transfer : Nonmetric Corrections for Temporospatial Variation of Laser Intensity and Time Variation of Fluorescence Quantum Yield(Fluids Engineering)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; UKAI Ryota

  Transactions of the Japan Society of Mechanical Engineers Series B, Oct. 2010, Peer-reviewed

  
• Development of the Innovative Probe for the Simultaneous Measurement of Instantaneous Static Pressure and Two Velocity Components

  O. Terashima; Y. Sakai; Y. Kojima; Y. Shouji; K. Nagata; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Simultaneous Measurement of Instantaneous Two Velocity Components and Static Pressure in a Turbulent Plane Jet

  Y. Sakai; K. Nagata; Y. Moriguchi; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Direct Numerical Simulation on Turbulence Structures in a Transition Process of a Spatially Developing Turbulent Plane Jet

  H. Suzuki; Y. Sakai; K. Nagata; D. Sugimoto

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Measurements of Axisymmetric CO2 Jets Issuing into Regular and Fractal Grid Turbulence

  K. Nagata; Y. Sakai; T. Yamaguchi; S. Ichino; T. Kubo

  Proc. of the 3rd International Conference on Jets, Wakes, and Separated Flows (ICJWSF2010), Sep. 2010, Peer-reviewed

  
• Experimental Study of Shock Wave - Grid Turbulence Interactions

  D. Takagi; A. Matsuda; S. Ito; K. Nagata; Y. Sakai; A. Sasoh

  Proc. of the 19th International Shock Interaction Symposium (ISIS 19), Aug. 2010, Peer-reviewed

  
• Best Shot 写真でひもとく未来材料 フラクタル形状物体の背後にはどのような流れができるのか?

  長田 孝二; 鈴木 博貴; 酒井 康彦

  未来材料, Jun. 2010

  
• Measurements of High-Schmidt-Number Scalar Mixing Layers by Means of High-Accuracy PIV and PLIF

  R. Ukai; H. Suzuki; K. Nagata; Y. Sakai

  Proc. of the 14th International Symposium on Flow Visualization (ISFV14), Jun. 2010

  
• Jet Manipulations by Moving Vortex Generators

  K. Nagata; Y. Sakai; K. Hiromori; T. Kubo

  Proc. of the 14th International Symposium on Flow Visualization (ISFV14), Jun. 2010

  
• Pressure Modulation of Weak Shock Waves Through Turbulent Flows

  D. Takagi; A. Matsuda; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 40th AIAA Fluid Dynamics Conference and Exhibit, Jun. 2010, Peer-reviewed

  
• IMPROVEMENT OF THE DNS Of TURBULENT SCALAR TRANSFER USING THE FINITE DIFFERENCE METHOD WITH INTRODUCTION OF A HIGHER-ORDER DISCRETIZATION SCHEME TO THE DIFFUSION TERMS

  鈴木 博貴; 長田 孝二; 酒井 康彦

  計算工学講演会論文集 = Proceedings of the Conference on Computational Engineering and Science, May 2010

  
• Direct Numerical Simulation of Regular and Fractal-Grid Turbulence Using the Immersed Boundary Method and Fully Conservative Higher-Order Finite-Difference Schemes

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  International Review of Physics, Apr. 2010, Peer-reviewed

  
• DNS Study on The Spatial Developments in The Transition Region of A Turbulent Plane Jet with Scalar Transfer

  SUGIMOTO Daisuke; SUZUKI Hiroki; SAKAI Yasuhiko; NAGATA Kouji

  日本流体力学会年会講演論文集, 2010

  
• Measurement of High-Schmidt Number Scalar Field in Grid Generated Turbulence

  UKAI Ryota; SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko

  日本流体力学会年会講演論文集, 2010

  
• S0502-1-2 Study on the two-dimensional liquid phase turbulent jet with the reaction : A trial of simultaneous measurement of concentration and velocity

  YASUHARA Hiroki; SAKAI Yasuhiko; KUBO Takashi; NAGATA Kouji; TERASHIMA Osamu

  The proceedings of the JSME annual meeting, 2010

  
• 0106 The Study of the Structure of Turbulent / Non-Turbulent Region in Two Dimensional Turbulent Jet

  TERASHIMA Osamu; SAKAI Yasuhiko; SHOUJI Yuichi; NAGATA Kouji

  The Proceedings of the Fluids engineering conference, 2010

  
• 0140 Basic Characteristics of the High-Schmidt Number Scalar Mixing Layer by Multiscale Grid Turbulence

  UKAI Ryota; SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu

  The Proceedings of the Fluids engineering conference, 2010

  
• 251 Experimental study on scalar diffusion in the axisymmetric turbulent jet

  TAKAKU Shouichi; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2010

  
• 252 On Statistical Features of Fractal-generated Turbulence and CO_2 Jet Diffusion Field

  YAMAGUCHI Takuya; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2010

  
• 253 On mixing enhancement of an axisymmetric jet using delta-wing vortex generators

  YANAKA Norimasa; NAGATA Kouji; SAKAI Yasuhiko; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2010

  
• 203 Improvement of the probe for simultaneous measurement of two velocity components and static pressure for the characterization of velocity and pressure fluctuations in two dimensional turbulent jet

  KOJIMA Yuki; SAKAI Yasuhiko; NAGATA Kouji; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2010

  
• 466 Investigation on the relationship between morphology and internal flow property of aneurysm

  KOJIMA Masahiro; NAGATA Kouji; SAKAI Yasuhiko; ISODA Haruo; TERASHIMA Osamu; KUBO Takashi

  The Proceedings of Conference of Tokai Branch, 2010

  
• High-Schmidt-number scalar transfer in regular and fractal grid turbulence

  Hiroki Suzuki; Kouji Nagata; Yasuhiko Sakai; Ryota Ukai

  Physica Scripta T, 2010

  
• Experimental Study of Interactions Between Weak Shock Wave and Turbulence

  A. Matsuda; D. Takagi; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 48th AIAA Aerospace Science Meeting, Jan. 2010

  
• 液相化学反応を伴う二次元噴流に関する研究

  久保 貴; 福村佳紀; 酒井康彦; 長田孝二

  日本機械学会論文集(B編), Jan. 2010, Peer-reviewed

  
• Turbulence Structure and Scalar Transfer in Fractal Generated Turbulence

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the Japan-Korea CFD Workshop, Dec. 2009, Invited

  
• 埋め込み境界法と高精度差分によるフラクタル格子乱流の三次元直接数値計算

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸

  数理科学論文集, Dec. 2009, Peer-reviewed

  
• 0104 Direct numerical simulation of spatially developing turbulent plane jet with scalar transport

  SUZUKI Hiroki; SAKAI Yasuhiko; NAGATA Kouji; SUGIMOTO Daisuke

  Fluids engineering conference ..., 06 Nov. 2009

  
• Preliminary Study of Interaction between Weak Shock Wave and Turbulent Flow

  A. Matsuda; D. Takagi; J. Kim; A. Sasoh; S. Ito; K. Nagata; Y. Sakai

  Proc. of the 6th International Symposium on Flow Dynamics, Nov. 2009

  
• Direct Numerical Simulation on the Effects of Free-Stream Turbulence on Neutral, Stably and Unstably Stratified Turbulent Boundary Layers

  K. Nagata; Y. Sakai; H. Suzuki; T. Hayase

  Proc. of the 9th International Symposium on Advanced Fluid Information and Transdisciplinary Fluid Integration, Nov. 2009

  
• PIV and PLIF Measurement of Regular and Fractal Grid Turbulence with Scalar Transfer

  H. Suzuki; K. Nagata; Y. Sakai; R. Ukai

  Proc. of the Sixth International Conference on Flow Dynamics, Nov. 2009

  
• 553 Measurement of fractal-grid-generated turbulence by PIV

  UKAI Ryota; SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko

  山梨講演会講演論文集 : Yamanashi district conference, 23 Oct. 2009

  
• Direct Numerical Simulation of Scalar Transfer in Regular and Fractal Grid Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase

  Bulletin of the International Conference "Turbulent Mixing and Beyond", Aug. 2009

  
• フラクタル格子により生成されるマルチスケール誘起乱流の構造とスカラー拡散機構(第1報，DNSによるフラクタル基本形状の影響に関する検討)

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸; 久保 貴

  日本機械学会論文集(B編), Jul. 2009, Peer-reviewed

  
• DNS of Passive Scalar Field with Mean Gradient in Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 6th International Symposium on Turbulence and Shear Flow Phenomena, Jun. 2009, Peer-reviewed

  
• Active Control of an Axisymmetric Turbulent Jet Using Moving Prominences : Effects of Shapes and Moving Patterns of the Prominence(Fluids Engineering)

  NAGATA Kouji; SAKAI Yasuhiko; HIROMORI Kensuke; KUBO Takashi; OGURO Yuki

  Transactions of the Japan Society of Mechanical Engineers Series B, Jun. 2009, Peer-reviewed

  
• Experimental Study on the Turbulent Reactive Plane Jet in Liquid

  T. Kubo; Y. Sakai; K. Nagata; K. Iida

  Journal of Fluid Science and Technology, May 2009, Peer-reviewed

  
• Turbulent Mixing and Reacting Scalar Field in Liquid-Phase Jet

  Y. Sakai; T. Kubo; K. Nagata

  Abstract of 8th China-Japan Workshop on Turbulent Flows, Apr. 2009, Invited

  
• 有限差分法を用いた平行平板間乱流DNSの精度向上について(粘性項へのCompact Schemeの導入による散逸領域の高解像度化の試み)

  鈴木博貴; 長田孝二; 酒井康彦; 早瀬敏幸; 久保 貴

  日本機械学会論文集(B編), Apr. 2009, Peer-reviewed

  
• The fine-scale structure of turbulent high Sc number scalar field in grid turbulence

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; UKAI Ryota

  日本流体力学会年会講演論文集, 2009

  
• DNS of turbulent scalar transfer in spatially developing turbulent plane jet

  SUZUKI Hiroki; SAKAI Yasuhiko; NAGATA Kouji; SUGIMOTO Daisuke

  日本流体力学会年会講演論文集, 2009

  
• Secondary Flow near a Streamwise Corner Induced by the Wall Blocking Effect(Fluids Engineering)

  NAGATA Kouji; SAKAI Yasuhiko; TAGAWA Shinji; HAMAMATU Takeshi; KUBO Takashi

  Transactions of the Japan Society of Mechanical Engineers Series B, Jan. 2009, Peer-reviewed

  
• On the structure of two-dimensional turbulent jet by the simultaneous measurement of instantaneous two velocity components and static pressure (experimental evaluations of cross-correlation coefficient between velocity and pressure fluctuations and turbulent energy budget)

  Yasuhiko Sakai; Kouji Nagata; Yuu Moriguchi; Takashi Kubo

  Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2009, Peer-reviewed

  
• Experimental Study on Relationships between Large-Scale Coherent Motions and Bursting Events in a Turbulent Boundary Layer (translated paper)

  Y. Sakai; K. Nagata; H. Yokoi; T. Kubo; H. Shimogata

  Journal of Fluid Science and Technology, Jan. 2009, Peer-reviewed

  
• 自動車用空調シロッコファンの騒音発生機構に関する研究

  酒井康彦; 加藤高章; 森口 優; 酒井雅晴; 伊藤功治; 三石康志; 長田孝二; 久保 貴

  日本機械学会論文集(B編), Dec. 2008, Peer-reviewed

  
• Direct Numerical Simulation of Turbulence Characteristics Generated by Fractal Grids

  K. Nagata; H. Suzuki; Y. Sakai; T. Hayase; T. Kubo

  International Review of Physics, Dec. 2008, Peer-reviewed

  
• DNS of Spatially Developing Fractal-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 7th JSME-KSME Thermal and Fluids Engineering Conference, Oct. 2008

  
• Direct numerical simulation of turbulent mixing in grid-generated turbulence

  Kouji Nagata; Hiroki Suzuki; Yasuhiko Sakai; Toshiyuki Hayase; Takashi Kubo

  PHYSICA SCRIPTA, Oct. 2008, Peer-reviewed

  
• Experimental Study on the Turbulent Reactive Plane Jet in Liquid

  T. Kubo; Y. Sakai; K. Nagata; K. Iida

  Proc. of the 2nd International Conference on Jets, Wakes and Separated Flows, Sep. 2008, Peer-reviewed

  
• On Static Pressure Fluctuation between Sirocco Fan Blades in a Car Air-Conditioning System

  Y. Sakai; K. Takaaki; Y. Moriguchi; M. Sakai; K. Ito; Y. Mitsuishi; K. Nagata; T. Kubo

  Journal of Fluid Science and Technology, Sep. 2008, Peer-reviewed

  
• 光ファイバー吸光濃度計の周波数応答特性の検討と高シュミット数物質拡散場の統計的特性に関する研究

  内田健児; 酒井康彦; 久保 貴; 長田孝二

  流体熱工学研究, Jun. 2008, Peer-reviewed

  
• 光ファイバー型三波長マイクロ吸光濃度計の試作

  久保 貴; 福村佳紀; 酒井康彦; 長田孝二; 竹本昌弘

  流体熱工学研究, Jun. 2008, Peer-reviewed

  
• Active Control of an Axisymmetric Turbulent Jet Using Moving Delta Tabs (Effects of the Delta Tabs Oscillating in Phase) (translated paper)

  K. Nagata; Y. Sakai; M. Shirosawa; T. Kubo

  Journal of Fluid Science and Technology, May 2008

  
• Effect of Molecular Diffusivities on Countergradient Scalar Transfer in a Strong Stable Stratified Flow (Study on the Linear and Nonlinear Processes by using RDT) (translated paper)

  K. Nagata; T. Sato; S. Komori

  Journal of Fluid Science and Technology, May 2008, Peer-reviewed

  
• 314 Direct Numerical Simulation of the Effects of External Turbulence on Turbulence Structure and Heat Transfer in a Turbulent Boundary Layer

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki; KUBO Takashi

  東海支部総会講演会講演論文集, 01 Mar. 2008

  
• Characteristics of Turbulent Heat Transfer in Fractal Grid Turbulence

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki; KUBO Takashi

  日本流体力学会年会講演論文集, 2008

  
• Statistical features of scalar flux in a high-Schmidt-number turbulent jet

  Yasuhiko Sakai; Kenji Uchida; Takashi Kubo; Kouji Nagata

  IUTAM SYMPOSIUM ON COMPUTATIONAL PHYSICS AND NEW PERSPECTIVES IN TURBULENCE, 2008, Peer-reviewed

  
• On turbulence characteristics around the two-dimensional symmetric aerofoil: Kinematic simulation and experiments

  Yasuhiko Sakai; Shinji Tagawa; Kouji Nagata; Takashi Kubo; Julian C. R. Hunt

  IUTAM SYMPOSIUM ON COMPUTATIONAL PHYSICS AND NEW PERSPECTIVES IN TURBULENCE, 2008, Peer-reviewed

  
• ランダムフーリエモード法と急激変形理論の複合モデルによる鈍頭物体周りの流れの数値シミュレーション(第1報, 複合モデルおよび円柱周りの乱流解析へのモデルの適用)

  酒井康彦; 長田孝二; 杉浦真一; 久保 貴; J.C.R. Hunt

  日本機械学会論文集(B編), Jan. 2008, Peer-reviewed

  
• 乱流境界層に及ぼす境界層外乱れの影響(第1報, 等温の乱流境界層に及ぼす格子乱流の影響)

  長田孝二; 伊藤陽人; 酒井康彦; 小森 悟

  日本機械学会論文集(B編), Jan. 2008, Peer-reviewed

  
• On Characteristics of Velocity and Pressure Field in Two-dimensional Turbulent Jet (translated paper)

  Y. Sakai; Y. Moriguchi; N. Tanaka; M. Yamamoto; T. Kubo; K. Nagata

  Journal of Fluid Science and Technology, Dec. 2007

  
• 1003 Direct Numerical Simulation of the Effects of Grid-Generated Turbulence on Turbulence Structure and Heat Transfer in the Turbulent Boundary Layer(2)

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki; KUBO Takashi

  Fluids engineering conference ..., 17 Nov. 2007

  
• Secondary Flow near an Undulatory Surface Induced by Wall Blocking Effect (translated paper)

  K. Nagata; P.A. Davidson; H. Wong

  Journal of Fluid Science and Technology, Nov. 2007, Peer-reviewed

  
• On the Static Pressure Fluctuation between the Sirocco Fan Blades and the Mechanism of Noise Generation in the Car Air-Conditioning System

  Y. Sakai; T. Kato; Y. Moriguchi; M. Sakai; K. Ito; Y. Mitsuishi; K. Nagata; T. Kubo

  Proc. of the 9th Asian International Conference on Fluid Machinery, Oct. 2007, Peer-reviewed

  
• A Study on a Heat Pump Secondary Coolant System Using Supercritical CO2

  T. Kubo; T. Itoh; Y. Hotta; Y. Sakai; K. Nagata; Y. Uefuji

  Proc. of International Conference on Compressors and their Systems, Sep. 2007, Peer-reviewed

  
• Direct Numerical Simulation of the Convective Boundary Layer with External Grid Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Proc. of the 18th International Symposium on Transport Phenomena, Aug. 2007, Peer-reviewed

  
• Direct Numerical Simulation of Surface Blocking Effects on Isotropic and Axisymmetric Turbulence

  K. Nagata; P.A. Davidson; J.C.R. Hunt; Y. Sakai; S. Komori

  Proc. of the 5th International Symposium on Turbulence and Shear Flow Phenomena, Aug. 2007, Peer-reviewed

  
• Direct Numerical Simulation of Turbulent Mixing in Grid-Generated Turbulence

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  Bulletin of the International Conference on Turbulent Mixing and Beyond, Aug. 2007

  
• 乱流境界層に及ぼす境界層外乱れの影響(第2報, 対流境界層に及ぼす格子乱流の影響)

  長田孝二; 伊藤陽人; 酒井康彦; 小森 悟

  日本機械学会論文集(B編), Apr. 2007, Peer-reviewed

  
• 高シュミット数物質噴流拡散場における条件付統計量の特性

  内田健児; 酒井康彦; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• 高シュミット数物質噴流拡散場における物質フラックスの統計的特性

  酒井康彦; 内田健児; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• 乱流境界層における大規模渦構造とバースト現象の関連性に関する実験的研究

  酒井康彦; 下形英之; 長田孝二; 久保 貴; 横井宏尚

  日本機械学会論文集(B編), Mar. 2007, Peer-reviewed

  
• Velocity and Passive Scalar Cross Spectra in Stably and Unstably Stratified Grid Turbulence

  K. Nagata; Y. Sakai; S. Komori; T. Kubo

  Journal of Fluid Science and Technology, Mar. 2007, Peer-reviewed

  
• 稼動デルタタブによる軸対称噴流の能動制御の試み(第1報, デルタタブを同位相で稼動させた場合の乱流統計量の評価)

  長田孝二; 酒井康彦; 城澤道正; 久保 貴

  日本機械学会論文集(B編), Feb. 2007, Peer-reviewed

  
• Direct Numerical Simulation of the Effects of Grid-Generated Turbulence on the Turbulent Boundary Layer

  SUZUKI Hiroki; NAGATA Kouji; SAKAI Yasuhiko; HAYASE Toshiyuki; KUBO Takashi

  日本流体力学会年会講演論文集, 2007

  
• Derivative statistics of axial velocity and passive scalar in the jet diffusion field of high-Schmidt-number matter

  Y. Sakai; K. Uchida; T. Kubo; K. Nagata

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• Direct numerical simulation of turbulent boundary layer downstream of turbulence-generating grid

  H. Suzuki; K. Nagata; Y. Sakai; T. Hayase; T. Kubo

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• Momentum and heat transfer in turbulent boundary layers with external grid turbulence

  Kouji Nagata; Yasuhiko Sakai; Satoru Komori

  ADVANCES IN TURBULENCE XI, 2007, Peer-reviewed

  
• Derivative statistics of axial velocity and passive scalar in the jet diffusion field of high-Schmidt-number matter

  Y. Sakai; K. Uchida; T. Kubo; K. Nagata

  FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B, 2007, Peer-reviewed

  
• 二次元乱流噴流の速度・圧力場の特性に関する研究

  酒井康彦; 森口 優; 田中伸彦; 山本 睦; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Dec. 2006, Peer-reviewed

  
• 高Schmidt数物質噴流拡散場における速度・スカラー結合統計量

  酒井康彦; 内田健児; 久保 貴; 長田孝二

  日本機械学会論文集(B編), Nov. 2006, Peer-reviewed

  
• Linear and Nonlinear Processes in Small-Scale Scalar Transfer in Strongly Stable Density Stratified Flows

  K. Nagata; S. Komori; Y. Sakai

  Proc. of the 13th International Heat Transfer Conferences, Aug. 2006, Peer-reviewed

  
• Weak mean flows induced by anisotropic turbulence impinging onto planar and undulating surfaces

  K. Nagata; H. Wong; J. C. R. Hunt; S. G. Sajjadi; P. A. Davidson

  JOURNAL OF FLUID MECHANICS, Jun. 2006, Peer-reviewed

  
• Reynolds Number Influence on Turbulent Blocking Effects of a Rigid Plane Boundary : 3rd Report, Direct Numerical Simulation on Wall Blocking Effects for Anisotropic Turbulence

  NAGATA Kouji; SAGARA Fumihiko; KOMORI Satoru; DAVIDSON Peter A.; HUNT Julian C. R.

  Transactions of the Japan Society of Mechanical Engineers B, May 2006, Peer-reviewed

  
• Secondary Flow near an Undulatory Surface Induced by Wall Blocking Effect

  長田孝二; P.A. Davidson; H. Wong

  日本機械学会論文集(B編), Mar. 2006, Peer-reviewed

  
• LIF Measurements and Statistical Characteristics of Micro-Scale Jet Diffusion Field of High-Schmidt-Number Matter

  K. Uchida; Y. Sakai; T. Kubo; K. Nagata

  Proc. of 2006 International Symposium on Micro-Nano Mechatronics and Human Science, 2006

  
• 壁面による乱流のブロック効果に及ぼすレイノルズ数の影響(第1報, Rapid Distortion Theoryによる線形解析)

  長田孝二; J.C.R. Hunt

  日本機械学会論文集(B編), Sep. 2005, Peer-reviewed

  
• Reynolds number influence on turbulent blocking effect of a rigid plane boundary (2nd report, direct numerical simulation using Townsend's eddy forcing) (in Japanese)

  NAGATA K.; SAGARA Fumihiko; KOMORI Satoru; HUNT Julian C. R.; DAVIDSON Peter A.

  Transactions of the Japan Society of Mechanical Engineers. Series B., Sep. 2005, Peer-reviewed

  
• 波状壁面上の乱流構造と抗力に及ぼすうねりの影響

  今城貴徳; 長田孝二; 小森 悟

  日本機械学会論文集(B編), Jun. 2005, Peer-reviewed

  
• Linear Process in Countergradient Scalar Transfer in Strong Stable Stratification

  K. Nagata; Y. Sakai

  Proc. of the Second International Symposium on Transdisciplinary Fluid Integration, 2005, Peer-reviewed

  
• LIF Measurements and Statistical Properties of Micro-Scale Diffusion Field of Matter in a Turbulent Jet

  K. Uchida; Y. Sakai; T. Kubo; K. Nagata

  Proc. of 2005 International Symposium on Micro-Nano Mechatronics and Human Science, 2005, Peer-reviewed

  
• 乱流の非等方性と壁面のブロック効果による平板上での平均流の発生

  長田孝二; J.C.R. Hunt

  日本機械学会論文集(B編), Nov. 2004, Peer-reviewed

  
• 強い安定密度成層乱流場でのスカラの逆こう配拡散に及ぼす分子拡散の影響(RDTによる線形および非線形過程の検討)

  長田孝二; 佐藤他加志; 小森 悟

  日本機械学会論文集(B編), Oct. 2004, Peer-reviewed

  
• Promotion Effects of Falling Droplets on Mass Transfer Across the Air-Water Interface

  S. Komori; N. Takagaki; K. Sugioka; K. Nagata

  Proc. of International Conference on Multiphase Flow 2004, 2004, Peer-reviewed

  
• A New Method to Generate Stationary, Homogeneous and Isotropic Turbulence Using Townsend's Eddy Forcing and Its Application to Blocking Effects in Turbulent Boundary Layer

  K. Nagata; F. Sagara; S. Komori

  Proc. of Kyoto-Seoul National-Tsinghua University Thermal Engineering Conference, 2004, 2004

  
• 波状壁面上の乱流構造と抗力に及ぼすリップルの影響

  長田孝二; 西岡毅洋; 杉岡健一; 小森 悟

  日本機械学会論文集(B編), Aug. 2003, Peer-reviewed

  
• 液相混合層での乱流混合反応に及ぼす温度成層の効果

  大西 領; 道岡武信; 長田孝二; 小森 悟

  日本機械学会論文集(B編), Mar. 2003, Peer-reviewed

  
• LES of Thermally-Stratified Liquid Turbulent Flows with a Chemical Reaction

  R. Onishi; T. Michioka; K. Nagata; S. Komori

  Proc. of the Third International Symposium on Turbulence and Shear Flow Phenomena, 2003, Peer-reviewed

  
• Linear Analysis of the Reynolds Number Effects on Turbulence Structure in Shear-Free Boundary Layer

  K. Nagata; S. Komori

  Proc. of Kyoto-Seoul National-Tsinghua University Thermal Engineering Conference 2003, 2003

  
• Turbulence Structure and Low Reynolds Number Effects in Shear-Free Boundary Layer

  K. Nagata; J.C.R. Hunt; P.A. Davidson

  Turbulence, Heat and Mass Transfer, 2003, Peer-reviewed

  
• The Effects of High-Frequency Ultrasound on Turbulent Liquid Mixing with a Rapid Chemical Reaction

  Y. Ito; K. Nagata; S. Komori

  Physics of Fluids, Dec. 2002, Peer-reviewed

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• Application of LES to Turbulent Liquid Flows with Chemical Reactions

  ONISHI Ryo; MICHIOKA Takenobu; NAGATA Kouji; KOMORI Satoru

  熱工学講演会講演論文集, 06 Nov. 2002

  
• 気液界面を通しての炭酸ガス輸送に及ぼす界面重油汚れの影響

  長田孝二; 白尾龍太郎; 小森 悟

  日本機械学会論文集(B編), Jul. 2002, Peer-reviewed

  
• LES of Thermally Stratified Liquid Mixing Layers with Chemical Reactions

  ONISHI Ryo; NAGATA Kouji; KOMORI Satoru

  日本流体力学会年会講演論文集, 2002

  
• The effects of ultrasound on turbulent mixing and chemical reaction

  Yasumasa Ito; Kouji Nagata; Satoru Komori

  Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 2002

  
• The Effects of Entrained Bubbles, Density Stratifications and Swell on Mass Transfer Across the Sheared Wavy Air-Water Interface

  S. Komori; K. Nagata; K. Tanno; K. Sugioka

  Proc. of International Symposium on Dynamics and Statistics of Coherent Structures in Turbulence: Roles of Elementary Vortices, 2002, Peer-reviewed

  
• The Effects of Swell on Turbulence Structure and Mass Transfer at the Sheared Wavy Air-Water Interface

  S. Komori; K. Nagata; K. Tanno; T. Nishioka

  Proc. of the 5th JSME-KSME Fluid Engineering Conference, 2002, Peer-reviewed

  
• 超音波による乱流混合反応促進

  伊藤靖仁; 長田孝二; 小森 悟

  日本機械学会論文集(B編), Jan. 2002, Peer-reviewed

  
• 風波気液界面を通したスカラ輸送に及ぼす液側の安定および不安定成層の効果

  長田孝二; 山崎博樹; 大和克行; 小森 悟

  日本機械学会論文集(B編), Dec. 2001, Peer-reviewed

  
• K-1414 Large-eddy simulation for a liquid mixing layer

  ONISHI Ryo; MICHIOKA Takenobu; NAGATA Kouji; KOMORI Satoru

  年次大会講演論文集 : JSME annual meeting, 22 Aug. 2001

  
• LES of Liquid Turbulent Flows with Chemical Reactions

  ONISHI Ryo; MICHIOKA Takenobu; NAGATA Kouji; KOMORI Satoru

  Proceedings, ... meeting of Japan Society of Fluid Mechanics, 31 Jul. 2001

  
• The difference in turbulent diffusion between active and passive scalars in stable thermal strafication

  K. Nagata; S. Komori

  Journal of Fluid Mechanics, 10 Mar. 2001, Peer-reviewed

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• Effects of Ultrasound on Turbulent Mixing and Second-Order Chemical Reaction

  K. Nagata; Y. Ito; S. Komori

  Proc. of Turbulent Heat Transfer Ⅲ,, 2001, Peer-reviewed

  
• The Effects of Density Stratifications on CO2 Transfer and Turbulence Structure at the Sheared Air-Water Interface

  S. Komori; K. Nagata

  Proc. of the 6th International Carbon Dioxide Conference, 2001, Peer-reviewed

  
• The Effects of Bubbles and Density Stratifications on CO2 Transfer across the Air-Water Interface in Wind-Driven Turbulence

  S. Komori; K. Nagata; R. Misumi

  Proc. of the First International Conference on Advanced Fluid Information, 2001, Peer-reviewed

  
• 化学反応を伴う液相格子乱流場に対するLarge eddy simulation

  道岡武信; 長田孝二; 井田敦巳; 小森 悟

  日本機械学会論文集(B編), Nov. 2000, Peer-reviewed

  
• Strongly stably stratified grid turbulence using second-moment closure

  YL Wang; K Nagata; S Komori

  AIAA JOURNAL, Aug. 2000, Peer-reviewed

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• Large eddy simulation of turbulent liquid flows with chemical reactions

  MICHIOKA Takenobu; Onishi Ryo; NAGATA Kouji; KOMORI Satoru

  年次大会講演論文集 : JSME annual meeting, 31 Jul. 2000

  
• The effects of unstable stratification and mean shear on the chemical reaction in grid turbulence

  K Nagata; S Komori

  JOURNAL OF FLUID MECHANICS, Apr. 2000, Peer-reviewed

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• DNSによる強い安定成層下でのアクティブスカラとパッシブスカラの乱流拡散の違いの評価

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Oct. 1999, Peer-reviewed

  
• Modeling of a reaction term in Large eddy simulation

  MICHIOKA Takenobu; IDA Atsushi; NAGATA Kouji; KOMORI Satoru

  年会一般講演, 29 Jul. 1999

  
• Difference in Turbulent Diffusion between Active and Passive Scalars in Stable Thermal-Stratification

  K. Nagata; S. Komori

  Proc. of the First International Symposium on Turbulence and Shear Flow Phenomena, 1999, Peer-reviewed

  
• 安定温度成層乱流場でのパッシブスカラとアクティブスカラの乱流拡散の違い

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Mar. 1998, Peer-reviewed

  
• 格子乱流場での化学反応と乱流混合に及ぼす不安定温度成層とシアーの効果

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Aug. 1997, Peer-reviewed

  
• Effects of Unstable Stratification and Mean Shear on the Chemical Reaction in Grid-Generated Turbulence

  S. Komori; K. Nagata

  Proc. of the 11th Symposium on Turbulent Shear Flows, 1997, Peer-reviewed

  
• Effects of molecular diffusivities on counter-gradient scalar and momentum transfer in strongly stable stratification

  Satoru Komori; Kouji Nagata

  Journal of Fluid Mechanics, 10 Nov. 1996, Peer-reviewed

  
• DNSによる強い安定成層下での熱の逆こう配拡散に及ぼすPr数の効果の解明

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Aug. 1996, Peer-reviewed

  
• 環境中での乱流輸送現象の解明のためのDNSの適用例

  小森 悟; 長田孝二; 黒瀬良一

  計算工学講演会論文集, May 1996, Peer-reviewed

  
• Direct Numerical Simulation of the Prandtl Number Effects on the Counter-gradient Heat Transfer in Strong Stable Stratification

  K. Nagata; S. Komori

  Proc. of the 19th International Congress of Theoretical and Applied Mechanics, 1996, Peer-reviewed

  
• Heat and mass transfer in a stable thermally stratified flow

  S Komori; K Nagata; Y Murakami

  DYNAMICS OF ATMOSPHERES AND OCEANS, Jan. 1996, Peer-reviewed

  
• 強い安定成層乱流場における熱と物質の乱流拡散機構

  長田孝二; 小森 悟

  日本機械学会論文集(B編), Jun. 1995, Peer-reviewed

  
• MEASUREMENTS OF MASS FLUX IN A TURBULENT LIQUID FLOW WITH A CHEMICAL-REACTION

  S KOMORI; K NAGATA; T KANZAKI; Y MURAKAMI

  AICHE JOURNAL, Oct. 1993, Peer-reviewed