Basic Information

Faculty

• Faculty of Engineering

Email Address

• Email Address

  sogabe.yusuke.6skyoto-u.ac.jp

Professional Memberships

• IEEE
• THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN
• CRYOGENICS AND SUPERCONDUCTIVITY SOCIETY OF JAPAN

Academic Degree

• Master of Engineering(Kyoto University)
• Doctor of Engineering(Kyoto University)

Academic Resume (Graduate Schools)

• Kyoto University, Graduate School of Engineering, Master's Program, Department of Electrical Engineering, 修了
• Kyoto University, Graduate School of Engineering, Doctor's Program, Department of Electrical Engineering, 修了

Academic Resume (Undergraduate School/Majors)

• Kyoto University, Faculty of Engineering, Undergraduate School of Electrical and Electronic Engineering, 卒業

Research History

• From Apr. 2019, To Present

  Kyoto University, Department of Electrical Engineering, Graduate School of Engineering, Assistant Professor
• From Feb. 2019, To Mar. 2019

  Japan Society for the Promotion of Science, Research Fellow (PD)
• From Apr. 2016, To Jan. 2019

  Japan Society for the Promotion of Science, Research Fellow (DC1)

Language of Instruction

• Japanese
• English

ID,URL

• ORCID ID

  0000-0003-1692-629X

• J-Global ID

  201901010161398110

• Researcher ID

  J-8793-2014

• External link

  http://www.asl.kuee.kyoto-u.ac.jp/index.html

Website(s) (URL(s))

• http://www.asl.kuee.kyoto-u.ac.jp/index.html

researchmap URL

• https://researchmap.jp/yusuke-sogabe

Research

Research Topics, Overview of the research

• Research Topics

  Electromagnetic phenomena in High Temperature Superconducting (HTS) cables and magnets

• Overview of the research

  Evaluation of electromagnetic characteristics, such as critical current, ac losses, magnetic field accuracy, and thermal characteristics, such as quench and thermal runaway, by experiments and numerical electromagnetic field analyses of HTS cables and magnets

Research Interests

• superconductor
• Electromagnetic field analysis
• applied superconductivity

Research Areas

• Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Electrical power engineering, applied superconductivity

Papers

• AC loss evaluations of twisted multifilament magnesium diboride (MgB₂) wires under practical operating conditions based on experiments

  Y Sogabe; T Sobue; M Shigemasa; H Uegaki; ZN Jiang; YM Sun; NM Strickland; S Chong; MA Rindfleisch; N Amemiya

  SUPERCONDUCTOR SCIENCE & TECHNOLOGY, Mar. 2025, Peer-reviewed

  
• Numerical Electromagnetic Field Analyses of Spiral Copper-Plated Striated Coated-Conductor (SCSC) Cables Carrying DC Current Subjected to AC Magnetic Fields

  Y Sogabe; S Honda; N Amemiya

  IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, Aug. 2025, Peer-reviewed

  
• Mitigation of Superconducting AC Losses in Axial Flux Synchronous Machines With Multifilament Coated Superconductors

  ISP Peixoto; Y Sogabe; JFP Fernandes; S Vaschetto; N Amemiya

  IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, Aug. 2025, Peer-reviewed

  
• AC Loss Measurements of Coils Wound With Spiral-Coated-Conductor Cables

  H Uegaki; Y Sogabe; S Fukui; N Amemiya

  IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, Aug. 2025, Peer-reviewed

  
• Measurements of Coupling Time Constants and Geometry Factors of Coupling Losses in Spiral Copper-Plated Multifilament Coated Conductors

  Naoyuki Amemiya; Ning Wang; Mao Shigemasa; Akira Takahashi; Yusuke Sogabe; Satoshi Yamano; Hisaki Sakamoto

  IEEE Transactions on Applied Superconductivity, Sep. 2022, Peer-reviewed

  
• Effect of dynamic resistance reduction in spiral copper-plated multifilament coated conductors

  Yusuke Sogabe; Naoyuki Amemiya

  Superconductor Science and Technology, 28 Nov. 2024, Peer-reviewed, Lead author

  
• Influence of low electric field parts of electric field–current density curves of superconductors on their ac loss characteristics

  Y Sogabe; N Amemiya

  Journal of Physics: Conference Series, 01 Jul. 2023, Peer-reviewed, Lead author

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• Current Sharing in Spiral Copper-Plated Multifilament Coated Conductors

  Guangwei Xu; Yuya Koyama; Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, May 2024, Peer-reviewed

  
• Numerical Simulations on AC Loss of the REBCO Tape Under Rotating Magnetic Field

  Y Wang; J Fang; Y Sogabe; RA Badcock; JG Storey; ZA Jiang

  IEEE Access, Dec. 2023, Peer-reviewed

  
• Conceptual Design of Scanning Magnets Using HTS Coils Wound With Spiral Copper-Plated Striated Coated-Conductor (SCSC) Cables for Carbon-ion Radiotherapy

  Yang Li; Yusuke Sogabe; Yoshiyuki Iwata; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed

  
• Magnetization Loss and Current Transport Characteristics of SCSC Cables With Metal Cores

  Naoyuki Amemiya; Yusuke Sogabe; Mao Shigemasa; Takuya Sobue; Takayuki Hirano; Satoshi Yamano; Hisaki Sakamoto

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed, Invited

  
• Effect of Current Sharing by Metal Core on Reducing Hot-Spot Temperature of Spiral Coated Conductors

  Guangwei Xu; Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed

  
• Numerical Analysis of Thermal Runaway in Copper-Plated Multifilament Coated Conductor

  Jingyu Shen; Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed

  
• Influence of Shielding Currents in Coated Conductors on Field Quality of Iron-Dominated HTS Magnets Estimated by Numerical Analyses

  Yang Li; Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed

  
• Impact of Number of Layers on Magnetization Losses of Spiral Copper-Plated Multifilament Coated Conductors

  Mao Shigemasa; Yusuke Sogabe; Akira Takahashi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed

  
• Influence of Non-Uniform Current Distribution Among Layers on AC Loss Characteristics of Multilayer Spiral Copper-Plated Striated Coated-Conductor Cables

  Yusuke Sogabe; Yuya Ezaki; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2023, Peer-reviewed, Lead author

  
• Magnetization Loss Measurements of Spiral Copper-Plated Multifilament Coated Conductors With Various Filament and Conductor Widths

  Mao Shigemasa; Yusuke Sogabe; Akira Takahashi; Satoshi Yamano; Hisaki Sakamoto; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Sep. 2022, Peer-reviewed

  
• Current-Sharing Between Filaments and Voltage – Current Characteristics of Copper-Plated Multifilament Coated Conductors

  Naoyuki Amemiya; Yifan Zhao; Xijie Luo; Guangwei Xu; Yang Li; Yusuke Sogabe

  IEEE Transactions on Applied Superconductivity, Sep. 2022, Peer-reviewed

  
• Simplified Numerical Electromagnetic Field Analysis Method of Coils Wound With Spiral Coated-Conductor Cables

  Yusuke Sogabe; Rikito Takahashi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Jun. 2022, Peer-reviewed, Lead author

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• Thermal Runaway of Conduction-Cooled Monofilament and Multifilament Coated Conductors

  Xijie Luo; Yifan Zhao; Yusuke Sogabe; Hisaki Sakamoto; Satoshi Yamano; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Jun. 2022, Peer-reviewed

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• Magnetic Field Drifts of Small HTS Dipole Magnet Under Repeated Excitation

  Yusuke Sogabe; Koki Wakabayashi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Jun. 2022, Peer-reviewed, Lead author

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• Impact of Copper Thickness, Conductor Width, and Number of Striations on Coupling Loss Characteristics of Copper-Plated Multifilament-Coated Conductors

  Mao Shigemasa; Yusuke Sogabe; Ning Wang; Akira Takahashi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Mar. 2022, Peer-reviewed

  
• Effective reduction of magnetisation losses in copper-plated multifilament coated conductors using spiral geometry

  Naoyuki Amemiya; Mao Shigemasa; Akira Takahashi; Ning Wang; Yusuke Sogabe; Satoshi Yamano; Hisaki Sakamoto

  Superconductor Science and Technology, Dec. 2021, Peer-reviewed

  
• Shielding currents in multifilament coated conductors wound into pancake coils and layer-wound coils

  Yusuke Sogabe; Yudai Mizobata; Naoyuki Amemiya

  Superconductor Science and Technology, 29 Jun. 2021, Peer-reviewed, Lead author

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• Simplified Electromagnetic Modelling of Accelerator Magnets Wound With Conductor on Round Core Wires for AC Loss Calculations

  Yusuke Sogabe; Masahiro Yasunaga; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Jun. 2020, Peer-reviewed, Lead author

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• AC Loss and Shielding-Current-Induced Field in a Coated-Conductor Test Magnet for Accelerator Applications under Repeated Excitations

  Naoyuki Amemiya; Yusuke Sogabe; Shigeki Takayama; Yusuke Ishii; Toru Ogitsu; Yoshiyuki Iwata; Koji Noda; Masahiro Yoshimoto

  IEEE Transactions on Applied Superconductivity, Jun. 2020, Peer-reviewed

  
• Reduction of AC Loss in HTS Coils of Superferric Magnets for Rapid-Cycling Synchrotrons by Changing Cross-Section of Coils and Iron Yoke Geometry

  Yang Li; Yusuke Sogabe; Masahiro Yasunaga; Yasuhiro Fuwa; Yoshihiro Ishi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Jun. 2020, Peer-reviewed

  
• Coupling time constants and ac loss characteristics of spiral copper-plated striated coated-conductor cables (SCSC cables)

  Yusuke Sogabe; Yudai Mizobata; Naoyuki Amemiya

  Superconductor Science and Technology, 01 May 2020, Peer-reviewed, Lead author

  
• Shielding current in a copper-plated multifilament coated conductor wound into a single pancake coil and exposed to a normal magnetic field

  Naoyuki Amemiya; Yusuke Sogabe; Satoshi Yamano; Hisaki Sakamoto

  Superconductor Science and Technology, 01 Nov. 2019, Peer-reviewed

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• Feasibility Study on a Fault Current Limiter Consisting of Coated Conductors With Copper Fins for Improved Cooling by Liquid Nitrogen

  Yusuke Sogabe; Shigeki Isojima; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2019, Peer-reviewed, Lead author

  
• AC Losses in HTS Coils of Superferric Dipole and Combined-Function Magnets

  Yusuke Sogabe; Masahiro Yasunaga; Yasuhiro Fuwa; Yasutoshi Kuriyama; Tomonori Uesugi; Yoshihiro Ishi; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2019, Peer-reviewed, Lead author

  
• Test of Cryocooler-Cooled RE-123 Magnet on HIMAC Beam Line in S-Innovation Program

  Naoyuki Amemiya; Satoru Inoue; Xijie Luo; Yusuke Sogabe; Shigeki Takayama; Yusuke Ishii; Toru Ogitsu; Yoshiyuki Iwata; Koji Noda; Masahiro Yoshimoto

  IEEE Transactions on Applied Superconductivity, Aug. 2019, Peer-reviewed

  
• AC Loss Measurement in HTS Coil Windings Coupled With Iron Core

  Yang Li; Zhenan Jiang; Gennady Sidorov; Romney Koraua; Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, Aug. 2019, Peer-reviewed

  
• Large-scale electromagnetic field analyses of coils wound with coated conductors using a current-vector-potential formulation with a thin-strip approximation

  Takashi Mifune; Naoki Tominaga; Yusuke Sogabe; Yudai Mizobata; Masahiro Yasunaga; Akihiro Ida; Takeshi Iwashita; Naoyuki Amemiya

  Superconductor Science and Technology, 01 Sep. 2019, Peer-reviewed

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• AC loss simulation in a HTS 3-Phase 1 MVA transformer using H formulation

  Wenjuan Song; Zhenan Jiang; Xingyou Zhang; Mike Staines; Rodney A. Badcock; Jin Fang; Yusuke Sogabe; Naoyuki Amemiya

  Cryogenics, Sep. 2018, Peer-reviewed

  
• AC Loss Calculation of a Cosine-Theta Dipole Magnet Wound with Coated Conductors by 3D Modeling

  Yusuke Sogabe; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, 01 Jun. 2018, Peer-reviewed, Lead author

  
• Application of hierarchical matrices to large-scale electromagnetic field analyses of coils wound with coated conductors

  Naoki Tominaga; Takeshi Mifune; Akihiro Ida; Yusuke Sogabe; Takeshi Iwashita; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, 01 Apr. 2018, Peer-reviewed

  
• Influence of E-J Characteristics of Coated Conductors and Field Ramp-Up Rates on Shielding-Current-Induced Fields of Magnet

  Yang Li; Naoki Tominaga; Yusuke Sogabe; Takashi Kikuchi; Stuart Wimbush; Simon Granville; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, 01 Apr. 2018, Peer-reviewed

  
• AC Loss Characteristics in REBCO Coil Assemblies with Different Geometries and Conductors

  Yusuke Sogabe; Zhenan Jiang; Stuart C. Wimbush; Nicholas M. Strickland; Mike Staines; Nicholas J. Long; Naoyuki Amemiya

  IEEE Transactions on Applied Superconductivity, 01 Apr. 2018, Peer-reviewed, Lead author

  
• Coupling time constants of striated and copper-plated coated conductors and the potential of striation to reduce shielding-current-induced fields in pancake coils

  Naoyuki Amemiya; Naoki Tominaga; Ryuki Toyomoto; Takuma Nishimoto; Yusuke Sogabe; Satoshi Yamano; Hisaki Sakamoto

  Superconductor Science and Technology, 01 Feb. 2018, Peer-reviewed

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• Magnetisation and field quality of a cosinetheta dipole magnet wound with coated conductors for rotating gantry for hadron cancer therapy

  Amemiya, Naoyuki; Sogabe, Yusuke; Sakashita, Masaki; Iwata, Yoshiyuki; Noda, Koji; Ogitsu, Toru; Ishii, Yusuke; Kurusu, Tsutomu

  Superconductor Science and Technology, 2016, Peer-reviewed

  
• Influence of magnetization on field quality in cosine-theta and block design dipole magnets wound with coated conductors

  Sogabe, Yusuke; Sakashita, Masaki; Nakamura, Taketsune; Ogitsu, Toru; Amemiya, Naoyuki

  Superconductor Science and Technology, 2016, Peer-reviewed, Lead author

  
• Design and Magnetic Field Analyses of Spiral Sector Magnet in an FFAG Accelerator for Carbon Cancer Therapy

  Saka, Yosuke; Tominaga, Naoki; Sogabe, Yusuke; Nakamura, Taketsune; Amemiya, Naoyuki; Mori, Yoshiharu; Ogitsu, Toru; Ishii, Yusuke; Kurusu, Tsutomu; Yoshimoto, Masahiro

  IEEE Transactions on Applied Superconductivity, 2016, Peer-reviewed

  
• Influence of Geometrical Configurations of HTS Roebel Cables on Their AC Losses

  Tsukamoto, T.; Mifune, T.; Sogabe, Y.; Jiang, Z.; Nakamura, T.; Amemiya, N.

  IEEE Transactions on Applied Superconductivity, 2015, Peer-reviewed

  
• Efficient and Practical Models for Numerical Electromagnetic Field Analyses of Three-Dimensional-Shape Coils Wound With Coated Conductor

  Sogabe, Yusuke; Tsukamoto, Tadaaki; Mifune, Takeshi; Nakamura, Taketsune; Amemiya, Naoyuki

  IEEE Transactions on Applied Superconductivity, 2015, Peer-reviewed, Lead author

  
• Progress of Fundamental Technology R&D Toward Accelerator Magnets Using Coated Conductors in S-Innovation Program

  Amemiya, Naoyuki; Zhang, Zheming; Sano, Takuya; Sogabe, Yusuke; Ogitsu, Toru; Koyanagi, Kei; Kurusu, Tsutomu; Mori, Yoshiharu; Iwata, Yoshiyuki; Noda, Koji; Yoshimoto, Masahiro

  IEEE Transactions on Applied Superconductivity, 2015, Peer-reviewed

  
• Electromagnetic Field Analyses of REBCO Roebel Cables Wound Into Coil Configurations

  Sogabe, Yusuke; Nii, Masahiro; Tsukamoto, Tadaaki; Nakamura, Taketsune; Amemiya, Naoyuki

  IEEE Transactions on Applied Superconductivity, 2014, Peer-reviewed, Lead author

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Misc.

• Development of a REBCO Magnet for Accelerator

  Shigeki TAKAYAMA; Kei KOYANAGI; Tomofumi ORIKASA; Yusuke ISHII; Tsutomu KURUSU; Yoshiyuki IWATA; Koji NODA; Toru OGITSU; Yusuke SOGABE; Naoyuki AMEMIYA

  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 20 Mar. 2020, Peer-reviewed

  
• Overview of S-Innovation Project on Fundamental Technology of HTS Accelerator Magnets

  Naoyuki AMEMIYA; Yusuke SOGABE; Shiegeki TAKAYAMA; Kei KOYANAGI; Yusuke ISHII; Tsutomu KURUSU; Toru OGITSU; Yoshiyuki IWATA; Koji NODA; Masahiro YOSHIMOTO

  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 20 Mar. 2020, Peer-reviewed

  
• Mitigation of Shielding-Current-Induced Fields (SCIFs) in HTS Magnets for Accelerator Systems

  Yusuke SOGABE; Naoyuki AMEMIYA

  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 20 Mar. 2020, Peer-reviewed, Lead author

  
• Research and Development of the Coil System for a Beam Transport and Irradiation Line

  Shigeki TAKAYAMA; Kei KOYANAGI; Tomofumi ORIKASA; Yusuke ISHII; Tsutomu KURUSU; Yoshiyuki IWATA; Koji NODA; Kento SUZUKI; Toru OGITSU; Yusuke SOGABE; Naoyuki AMEMIYA

  TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 2017, Peer-reviewed

  
• 超伝導応用を理解するための基礎知識

  曽我部 友輔

  電気評論, Oct. 2020, Invited, Lead author, Corresponding author

  

Presentations

• SCSCケーブルの研究開発の進捗（2024年秋）（５）： 多層SCSCケーブルにおける動的抵抗の 数値電磁界解析による評価

  曽我部 友輔

  2024年度秋季 第108回 低温工学・超電導学会研究発表会, 25 Nov. 2024

  
• Electromagnetic and thermal-runaway characteristics of spiral-coated-conductor cables evaluated by using numerical simulations

  Yusuke Sogabe

  The 5th Joint Workshop between Victoria University of Wellington and Kyoto University (VUW - KU Joint Workshop 2024), 18 Nov. 2024

  
• Numerical electromagnetic field analyses of SCSC cables carrying dc current under ac magnetic fields to evaluate their dynamic resistances

  Yusuke Sogabe

  Applied Superconductivity Conference (ASC 2024), 05 Sep. 2024

  
• Mitigation of Superconducting AC Losses in Axial Flux Synchronous Machines with Multifilament Coated Superconductors

  Yusuke Sogabe

  Applied Superconductivity Conference 2024 (ASC 2024), 03 Sep. 2024

  
• Evaluation of protection characteristics of spiral-coated-conductor cables by numerical analyses

  Yusuke Sogabe

  Applied Superconductivity Conference 2024 (ASC 2024), 02 Sep. 2024

  
• SCSC ケーブルの研究開発の進捗（2024 年春）(7)：ケーブル形状及び保護条件とスパイラルケーブルの保護特性の関係

  曽我部 友輔

  第107回2024年度春季低温工学・超電導学会研究発表会, 23 May 2024

  
• SCSC ケーブルの研究開発の進捗（2024 年春）(6)：SCSC ケーブルにおける動的抵抗に関する検討

  曽我部 友輔

  第107回2024年度春季低温工学・超電導学会研究発表会, 23 May 2024

  
• SCSCケーブルの研究開発の進捗（2023年秋）（６）：数値解析によるSCSCケーブルの保護特性の基礎的評価

  曽我部 友輔

  第106回2023年度秋季低温工学・超電導学会研究発表会, 06 Dec. 2023

  
• SCSCケーブルの研究開発の進捗（2023年秋）（５）：交流クエンチ試験

  曽我部 友輔

  第106回2023年度秋季低温工学・超電導学会研究発表会, 06 Dec. 2023

  
• Cable geometry dependence of ac losses in multilayer Spiral Copper-plated Striated Coated-conductor cables carrying ac currents under ac magnetic fields

  Yusuke Sogabe

  International Conference on Magnet Technology (MT-28), 11 Sep. 2023

  
• Quench simulation of HTS cables combining circuit model and 1D thermal equations

  Yusuke Sogabe

  16th European Conference on Applied Superconductivity (EUCAS 2023), 06 Sep. 2023

  
• Numerical electromagnetic field analyses of spiral HTS coated conductor cables

  Yusuke Sogabe

  The 4th Joint Workshop between Kyoto University and Victoria University of Wellington (KU-VUW Joint Workshop 2023), 30 Jun. 2023

  
• SCSCケーブルの研究開発の進捗（2023年春）（６）：ケーブルクエンチ解析手法の構築

  曽我部 友輔

  第105回2023年度春季低温工学・超電導学会研究発表会, 31 May 2023

  
• SCSCケーブルの研究開発の進捗（2023年春）（３）：結合時定数の温度依存性

  曽我部 友輔

  第105回2023年度春季低温工学・超電導学会研究発表会, 31 May 2023

  
• Development of quench analysis model of spiral coated conductor cables combining one-dimensional heat conduction equations and circuit equation

  Yusuke Sogabe

  CHATS on Applied Superconductivity 2023 (CHATS-AS 2023), 05 May 2023

  
• SCSCケーブルの研究開発の進捗（2022年秋）(6)：銅複合多芯薄膜線材の熱暴走解析と実験の比較

  曽我部 友輔

  第104回2022年度秋季低温工学・超電導学会研究発表会, 07 Dec. 2022

  
• 銅複合多芯薄膜線材における動的抵抗の数値解析と実験の比較

  曽我部 友輔

  第104回2022年度秋季低温工学・超電導学会研究発表会, 07 Dec. 2022

  
• Experiments and numerical analyses of dynamic resistivities in copper-plated multifilament coated conductors

  Yusuke Sogabe

  The 35th International Symposium on Superconductivity (ISS 2022), 29 Nov. 2022

  
• Electric field in coated conductors carrying ac current under ac external magnetic field

  Yusuke Sogabe

  The 35th International Symposium on Superconductivity (ISS 2022), 29 Nov. 2022

  
• Large-scale electromagnetic field analysis for a finite-long spiral copper-plated striated coated-conductor cable without translational symmetry and its applications

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 27 Oct. 2022

  
• Influence of non-uniform current distribution among layers on ac loss characteristics of multilayer spiral copper-plated striated coated-conductor cables

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 27 Oct. 2022

  
• Numerical simulation of thermal runaway of copper plated multifilament coated conductor associated with current sharing between filaments

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 27 Oct. 2022

  
• Influence of shielding currents in coated conductors on field quality of iron-dominated HTS magnets estimated by numerical analyses

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 26 Oct. 2022

  
• Development of quench analysis model for spirally wound single copper-plated multifilament coated conductor with copper core

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 26 Oct. 2022

  
• Conceptual design of scanning magnets using HTS coils wound with spiral copper-plated striated coated-conductor (SCSC) cables for carbon-ion radiotherapy

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 25 Oct. 2022

  
• Validation of electromagnetic field analysis model for copper-plated multifilament coated-conductors

  Yusuke Sogabe

  2022 Applied Superconductivity Conference (ASC 2022), 24 Oct. 2022

  
• 銅分流層複合マルチフィラメント薄膜高温超伝導線の動的抵抗測定

  曽我部 友輔

  第103回2022年度春季低温工学・超電導学会研究発表会, 22 Jun. 2022

  
• SCSC ケーブルの研究開発の進捗（2022 年春）(5)：層間偏流を考慮したスパイラル導体の全損失解析手法

  曽我部 友輔

  第103回2022年度春季低温工学・超電導学会研究発表会, 20 Jun. 2022

  
• SCSC ケーブルの研究開発の進捗（2022 年春）(4)：SCSC ケーブルにおける磁化損失のケーブル形状依存性

  曽我部 友輔

  第103回2022年度春季低温工学・超電導学会研究発表会, 20 Jun. 2022

  
• Numerical electromagnetic field analyses of straight and spiral copper-plated multifilament coated conductors

  Yusuke Sogabe

  The 34th International Symposium on Superconductivity (ISS 2021), 30 Nov. 2021, Invited

  
• Development of large‐scale numerical electromagnetic field analysis model for SCSC cables

  Yusuke Sogabe

  27th International Conference on Magnet Technology (MT-27), 17 Nov. 2021

  
• Numerical electromagnetic field analyses and measurements field quality of HTS dipole magnets under repeated excitation

  Yusuke Sogabe

  The 15th European Conference on Applied Superconductivity, 05 Sep. 2021

  
• Simplified numerical electromagnetic field analysis method of coils wound with spiral coated conductor cables

  Yusuke Sogabe

  The 15th European Conference on Applied Superconductivity, 05 Sep. 2021

  
• Mitigation of shielding-current-induced field of a dipole magnet wound with coated conductors during pattern-operation and evaluation of beam orbit

  Yusuke Sogabe

  7th International Workshop on Numerical Modelling of High Temperature Superconductors, 22 Jun. 2021

  
• 低交流損失・ロバスト高温超伝導ケーブル（SCSCケーブル）の研究開発の初期結果 (8)：SCSCケーブルを対象とした大規模数値電磁界解析技術の構築

  曽我部 友輔

  第101回 低温工学・超電導学会研究発表会, 19 May 2021

  
• CORC導体で構成されるコイルを対象とする数値電磁界解析における簡略化手法に関する検討

  曽我部 友輔

  第101回 低温工学・超電導学会研究発表会, 19 May 2021

  
• A collaboration framework to advance high-temperature superconducting magnets for accelerator facilities

  Yusuke Sogabe

  US-Japan Hawaii Symposium of the US-Japan Science and Technology Cooperation Program, 21 Apr. 2021

  
• 銅分流層複合マルチフィラメント薄膜高温超伝導線のクエンチ解析手法の検討

  曽我部 友輔

  第100回 低温工学・超電導学会研究発表会, 09 Dec. 2020

  
• 繰返し変動励磁下での小型高温超伝導二極マグネットの発生磁場の実験及び解析による評価

  曽我部 友輔

  第100回 低温工学・超電導学会研究発表会, 09 Dec. 2020

  
• Large-scale electromagnetic field analysis model for spiral copper-plated striated coated-conductor cables (SCSC cables)

  Yusuke Sogabe

  The 33rd International Symposium on Superconductivity, 02 Dec. 2020

  
• A quasi-3D model for SCIF calculations of accelerator magnets wound with CORC® wires

  Yusuke Sogabe

  The 33rd International Symposium on Superconductivity, 01 Dec. 2020

  
• Measured and calculated magnetic field of a small dipole magnet wound with coated conductors during repeated ramping up/down operation

  Yusuke Sogabe

  Applied Superconductivity Conference 2020, Nov. 2020

  
• Comparison of AC loss of superferric magnets consisting of HTS coils wound with stack cables and wound with CORC® wires by using 3D electromagnetic field analyses

  Yusuke Sogabe

  Applied Superconductivity Conference 2020, Oct. 2020

  
• 伝導冷却された小型高温超伝導二極マグネットの変動励磁下での発生磁界測定

  曽我部 友輔

  第99回 低温工学・超電導学会研究発表会, 30 Jul. 2020

  
• Behavior of shielding-current-induced field in a small HTS magnet under time-dependent field generating operation

  Yusuke Sogabe

  Joint KU - VUW Workshop 2019, 11 Nov. 2019

  
• MT26：HTSマグネット

  曽我部 友輔

  2019年第4回冷凍部会例会国際会議報告会, 25 Oct. 2019, Invited

  
• Comparison between measurements and calculations of shielding-current-induced field in a small dipole magnet wound with coated conductors

  Yusuke Sogabe

  26th International Conference on Magnet Technology, 25 Sep. 2019

  
• Mitigation of shielding-current-induced field in a magnet wound with coated conductors for accelerator

  Yusuke Sogabe

  26th International Conference on Magnet Technology, 25 Sep. 2019, Invited

  
• A simplified electromagnetic modelling of accelerator magnets wound with Conductor on Round Core wires for ac loss calculations

  Yusuke Sogabe

  26th International conference on magnet technology, 26 Sep. 2019

  
• スーパーフェリックマグネットを構成する高温超伝導コイルの交流損失特性のマグネット形状依存性

  曽我部 友輔

  第98回 低温工学・超電導学会研究発表会, 29 May 2019

  
• 銅フィン付高温超伝導線で構成された 抵抗型限流器の冷却特性検討

  曽我部 友輔

  平成30年度電気学会全国大会, 14 Mar. 2019

  
• 加速器用高温超伝導二極マグネットにおける遮蔽電流磁界の通電電流制御及び補正用六極コイルとの組み合わせによる低減

  曽我部 友輔

  第97回 低温工学・超電導学会研究発表会, 20 Nov. 2018

  
• Feasibility Study on a Fault Current Limiter Consisting of Coated Conductors with Copper Fins for Improvement of Cooling by Liquid Nitrogen

  Yusuke Sogabe

  Applied Superconductivity Conference 2018, 02 Nov. 2018

  
• Theoretical study on mitigation of shielding-current-induced fields in cosine-theta dipole magnets wound with coated conductor by using HTS correction coils

  Yusuke Sogabe

  2018 Applied Superconductivity Conference, 30 Oct. 2018

  
• AC loss characteristics of superferric magnets using HTS coils for rapid cycling synchrotrons with different magnet geometry

  Yusuke Sogabe

  Applied Superconductivity Conference 2018, 29 Oct. 2018

  
• スーパーフェリックマグネットを構成する高温超伝導コイルの三次元電磁界解析による交流損失評価手法

  曽我部 友輔

  第96回 低温工学・超電導学会研究発表会, 29 May 2018

  
• Three-dimensional electromagnetic field analysis model for ac loss calculations of HTS coils in superferric magnets

  Yusuke Sogabe

  2017 CHATS on Applied Superconductivity Workshop, 12 Dec. 2017

  
• 積層されたREBCOパンケーキコイルの交流損失特性にコイル積層数・使用線材が与える影響

  曽我部 友輔

  第95回 低温工学・超電導学会研究発表会, 23 Nov. 2017

  
• 高温超伝導線材で巻いた回転ガントリー用コサインシータマグネットの遮蔽電流磁界抑制手法の検討

  曽我部 友輔

  第95回 低温工学・超電導学会研究発表会, 21 Nov. 2017

  
• AC loss calculation of a cosine-theta dipole magnet wound with coated conductors considering iron yoke influence

  Yusuke Sogabe

  13th European Conference on Applied Superconductivity, 17 Sep. 2017

  
• Design of a cosine-theta dipole magnet considering influence of shielding-current-induced field on field quality

  Yusuke Sogabe

  25th International conference on magnet technology, 31 Aug. 2017

  
• Comparison between AC loss measurements and analyses in coil assemblies with different geometries and conductors

  Yusuke Sogabe

  25th International conference on magnet technology, 30 Aug. 2017

  
• 高温超伝導線材で巻いた加速器用マグネットにおける鉄ヨークの影響を考慮した交流損失解析

  曽我部 友輔

  第94回 低温工学・超電導学会研究発表会, 24 May 2017

  
• Research on ac losses and field qualities of magnets wound with coated conductors by 3D electromagnetic field analyses

  Yusuke Sogabe

  Joint KU - VUW Workshop 2016, 23 Nov. 2016

  
• Evaluation of field quality of a cosine-theta dipole magnet wound with coated conductors by using a 3D model for numerical electromagnetic field analyses

  Yusuke Sogabe

  Applied Superconductivity Conference 2016, 07 Sep. 2016

  
• 薄膜超伝導線材で巻かれたコイルの電磁界解析における軸対称近似の影響の検討

  曽我部 友輔

  第93回 低温工学・超電導学会研究発表会, 31 May 2016

  
• 断面形状の異なる二極マグネットにおける線材磁化の磁場精度への影響

  曽我部 友輔

  第92回 低温工学・超電導学会研究発表会, 02 Dec. 2015

  
• Three-dimensional electromagnetic field analyses of a multilayered cosine theta dipole magnet wound with coated conductors by layer-by-layer model

  Yusuke Sogabe

  24th International conference on magnet technology, 18 Oct. 2015

  
• 薄膜高温超伝導線材で巻いた複数層からなるコサインシータ型二極マグネットの層別解析モデルによる三次元電磁界解析

  曽我部 友輔

  第91回 低温工学・超電導学会研究発表会, 28 May 2015

  
• Some considerations on models for numerical electromagnetic field analyses of three-dimensional-shape HTS coils

  Yusuke Sogabe

  NZ-Japan Workshop, 03 Dec. 2014

  
• 薄膜超伝導線材で巻かれた三次元形状をもつコイルに適用可能な電磁界解析モデルのモデル化誤差評価

  曽我部 友輔

  第90回 低温工学・超電導学会研究発表会, 06 Nov. 2014

  
• Development of efficient and practical models for numerical electromagnetic field analyses of three-dimensional-shape coils wound with coated conductor

  Yusuke Sogabe

  Applied Superconductivity Conference 2014, 11 Aug. 2014

  
• 薄膜超伝導線材で巻かれた鞍型コイルに適用可能な三次元電磁界解析モデルの検討

  曽我部 友輔

  第89回 低温工学・超電導学会研究発表会, 26 May 2014

  
• REBCO Roebelケーブルで巻いたコイルの電磁界解析

  曽我部 友輔

  第88回 低温工学・超電導学会研究発表会, 06 Dec. 2013

  

Awards

• 29 May 2025

  Cryogenic and Superconductivity Society of Japan, Encouragement Prize, 2025

  Japan, Japan society

  Yusuke Sogabe
• 01 Jun. 2023

  Cryogenics and Superconductivity Society of Japan, 2023 Best Presentation Award

  Progress of R&D of SCSC cable in fall 2022 (6): Comparison of simulations and experiments of thermal runaways in copper-plated multifilament coated conductors, Japan, Japan society

  Yusuke Sogabe, Jingyu Shen, Naoyuki Amemiya
• 19 Nov. 2021

  27th International Conference on Magnet Technology, Outstanding Presentation Award

  Development of large-scale numerical electromagnetic field analysis model for SCSC cables, Japan, International society

  Yusuke Sogabe, Takashi Hattori and Naoyuki Amemiya
• 01 Sep. 2017

  25th International Conference on Magnet Technology, Best Poster Award

  Design of a cosine-theta dipole magnet considering influence of shielding-current-induced field on field quality, Netherlands, International society

  Yusuke Sogabe and Naoyuki Amemiya

External funds: Kakenhi

• High-temperature-superconductor technology toward high-speed and high-field beam scanning magnets for heavy-ion cancer therapy

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 21:Electrical and electronic engineering and related fields

  Kyoto University

  Naoyuki Amemiya

  From 01 Apr. 2020, To 31 Mar. 2024, Project Closed

  超伝導;電磁石;加速器;がん治療;交流;交流損失;遮蔽電流磁界

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H00245/
• Comparison of measurements and electromagnetic field analyses of time-changing magnetic field of an HTS magnet

  Grant-in-Aid for Research Activity Start-up

  0302:Electrical and electronic engineering and related fields

  Kyoto University

  Yusuke Sogabe

  From 30 Aug. 2019, To 31 Mar. 2021, Project Closed

  高温超伝導;マグネット;磁界精度;磁界測定;電磁界解析;加速器用マグネット;遮蔽電流磁界;粒子加速器

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K23513/
• Development of superconducting magnet with high temeperature superconductor that can be operated under 20-70 K

  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields

  High Energy Accelerator Research Organization

  Toru Ogitsu

  From 09 Oct. 2018, To 31 Mar. 2024, Project Closed

  高温超伝導;電磁石;耐放射線;加速器;無機絶縁;高磁場磁石;高温超伝導磁石;加速器科学

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18KK0087/
• Electromagnetic field analyses of CORC-type HTS cables considering current distribution among layers

  Grant-in-Aid for Early-Career Scientists

  Basic Section 21010:Power engineering-related

  Kyoto University

  曽我部 友輔

  From 01 Apr. 2022, To 31 Mar. 2026, Granted

  高温超伝導;CORC導体;電磁界解析;交流損失;線材磁化

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K14238/
• A technology for the 1/100th reduction of ac loss in coated conductors

  Grant-in-Aid for Scientific Research (A)

  Medium-sized Section 21:Electrical and electronic engineering and related fields

  Kyoto University

  雨宮 尚之

  From 01 Apr. 2024, To 31 Mar. 2028, Granted

  超伝導;交流;マルチフィラメント

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24H00316/

External funds: others

• 高温超伝導マグネットの変動励磁時の発生磁界の測定と電磁界解析の比較

  Kyoto University, 若手研究者スタートアップ研究費

  From 01 Apr. 2019, To 30 Sep. 2019

  Yusuke Sogabe
• Low-ac-loss and robust high-temperature-superconductor technology

  Japan Science and Technology Agency, JST-Mirai Program

  From 01 Nov. 2019, To 31 Mar. 2024

  Naoyuki Amemiya
• 高磁界加速器電磁石実現に向けたCORC導体の分流を考慮した遮蔽電流解析手法の創出

  京都大学教育研究振興財団, 研究活動推進助成

  From 01 Apr. 2021, To 31 Mar. 2022

  曽我部友輔
• 銅分流層複合マルチフィラメント高温超伝導線で構成されたコイルにおける結合特性の実験的評価手法の確立

  岩谷直治記念財団, 岩谷科学技術研究助成金

  From 01 Apr. 2022, To 30 Sep. 2023

  曽我部友輔
• SCSCケーブルと同ケーブルで構成されたコイルの研究開発ならびに応用検討

  Japan Science and Technology Agency, ALCA-Next

  From 01 Apr. 2024, To 31 Mar. 2026

  Naoyuki Amemiya

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Fundamental Practice of Electrical & Electronic Engineering

  6119, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Fundamental Practice of Electrical & Electronic Engineering

  6119, Fall, Faculty of Engineering, 2
• From 01 Apr. 2023, To 31 Mar. 2024

  Fundamental Practice of Electrical & Electronic Engineering

  6119, Fall, Faculty of Engineering, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Fundamental Practice of Electrical & Electronic Engineering

  6119, Fall, Faculty of Engineering, 2
• From Apr. 2021, To Mar. 2022

  Fundamental Practice of Electrical & Electronic Engineering

  Fall, 工学部

Participation in PhD Defenses (other than KU)

• AC Loss Reduction in HTS Coils and Armature Windings of Fully Superconducting Motors

  Shuangrong You, Victoria University of Wellington, New Zealand, Sub-chief Examiner

  01 Nov. 2022

Administration

Faculty management (title, position)

• From 01 Apr. 2021, To 31 Mar. 2024

  桂事業場環境安全衛生委員会　委員