Yagai Tsuyoshi

(谷貝剛)

Profile Information

Affiliation: Professor, Faculty of Science and Technology, Department of Engineering and Applied Sciences, Sophia University

Degree: 学士(東北大学)
修士(東北大学)
博士（工学）(東北大学)

Researcher number: 60361127
J-GLOBAL ID: 201301010164130335
researchmap Member ID: 7000004361

(Subject of research)
Investigation on superconducting magnetic energy storage device made of MgB2 cooled by Liquid hydrogen for stabilizing power generation produced by renewable energy sources

Research Interests

Research Areas

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

Major Papers

121

Demonstration of kA-Class Rutherford Cables Using MgB₂Wires for an Energy Storage Device Suitable for a Liquid Hydrogen Indirect Cooling

Yagai, T., Takahashi, M., Inomata, R., Takao, T., Onji, T., Komagome, T., Makida, Y., Shintomi, T., Hirano, N., Hamajima, T., Kikuchi, A., Nishijima, G., Matsumoto, A.

IEEE Transactions on Applied Superconductivity, 32(6) 1-5, Sep, 2022 Peer-reviewed

Misc.

キンゾク・セラミックス/チョウデンドウキキゴウドウケンキュウカイ・ワカテケンキュウカイ「キンゾク・セラミックスセミナー」

2022(13-28) 71-74, Nov 15, 2022
サーモサイフォン循環液体水素冷却によるSMESモデル装置—SMES Model Device Cooled by Liquid Hydrogen Flow through Thermosiphon Loop—特集超電導応用における循環冷却システム

槇田康博, 新冨孝和, 谷貝剛, 髙橋雅史, 猪俣涼, 駒込敏弘, 平野直樹, 濱島高太郎

低温工学 = Journal of Cryogenics and Superconductivity Society of Japan, 57(4) 241-245, 2022
キンゾク・セラミックス/チョウデンドウキキゴウドウケンキュウカイ・ワカテケンキュウカイ「キンゾク・セラミックスセミナー」

イノマタリョウ, タカハシマサフミ, オンチタイキ, ヤガイツヨシ, シントミタカカズ, マキタヤスヒロ, コマゴメトシヒロ

2021(9-25) 69-72, Dec 7, 2021
Development of a persistent current 400 MHz (9.39T) LTS/Bi2223 NMR-test results of a Bi2223 inner coil at 4 K-

武田泰明, 武田泰明, 末富佑, 末富佑, 中井優亨, 松竹優一, 谷貝剛, PIAO Renzhong, 柳澤吉紀, 元木貴則, 下山淳一, 濱田衞, 斉藤一功

低温工学・超電導学会講演概要集, 101st, 2021
MgB₂大容量導体における素線変形に起因する特性劣化と拡張有限要素解析—Investigation on critical current degradation caused by strand deformation in a MgB₂ large-scale conductor with extended finite element method—金属・セラミックス超電導機器合同研究会・超電導応用および材料関連技術

谷貝剛, 平萌人, 桑原優介, 高尾智明, 槙田康博, 新冨孝和, 駒込敏弘, 塚田謙一, 星野昌幸, 平野直樹, 恩地太紀, 富田優, 宮城大輔, 津田理, 濱島高太郎

電気学会研究会資料. MC / 超電導機器金属・セラミックス合同研究会 [編], 2019(13-19) 9-14, Dec 19, 2019

Presentations

液体水素冷熱の有効利用と EVの急速充電を実現する超電導DCDCコンバータの開発

谷貝剛, 槙田康博, 新冨孝和, 平野直樹, 濱島高太郎

2024年度春季低温工学・超電導学会, May 25, 2024
高粒子透過性検出器を実現する薄肉ソレノイドコイル用アルミ安定化MgB2導体開発

谷貝剛, 猪俣涼, 吉田輝弥, 槙田康博, 新冨孝和, 平野直樹, 濱島高太郎

2024年度秋季低温工学・超電導学会, Dec 4, 2023
大型SMES磁石応用への大電流容量MgB2導体開発

谷貝剛, 高橋雅史, 高尾智明, 新冨孝和, 槙田康博, 駒込敏弘, 平野直樹, 濱島高太郎, 菊池章弘, 西島元, 松本明善

2024年度春季低温工学・超電導学会, Jun 1, 2023 Invited
Development of MgB2 Conductors and Coils for Superconducting Magnetic Energy Storage cooled by liquid hydrogen

T. Yagai, M. Hira, M. Takahashi, Y. Kuwabara, T. Takao, Y. Makida, T. Shintomi, T. Komagome, K. Tsukada, M. Hoshino, N. Hirano, T. Onji, M. Tomita, D. Miyagai, M. Tsuda, T. Hamajima

10th ACASC 2nd Asian ICMC Conference, Jan, 2020 Invited
Experimental and Numerical Study on Crack Evolu-tion of Nb Barriers Causing Ic Deterioration in Multi-filament MgB2 Strands during Cabling Process for Large-scale Energy Storage Coils.

T. Yagai, M. Hira, T. Onji, Y. Kuwabara, M. Jimbo, M. Kamibayashi, T. Takao, Y. Makida, T. Shintomi, T. Koma-gome, K. Tsukada, M. Hoshino, N. Hirano, M. Tomita, D. Miyagi, M. Tsuda, T. Hamajima

26th International Coference on Magnet Technology, Sep 25, 2019, IEEE

Professional Memberships

Research Projects

Ultra fine A15 superconducting wire for high-field accelerator magnets

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
Development of large-capacity SMES realizing a highly stabilized power conditioning system with low-carbon emission by utilizing liquid hydrogen providing network.

Apr, 2021 - Mar, 2022

T. Yagai
Basic research on evaluation method of mechanical strain effect and coiling technology of high-temperature superconducting wires

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2020

Nomura Shinichi
Investigation of twist-pitch dependence on AC losses in CIC conductor based on strand location measurement

Apr, 2015 - Mar, 2018
Strand deformation and buckling analysis in CIC conductor based on strand trace measurement and structural mechanics exposed to large electromagnetic force

Apr, 2012 - Mar, 2013

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