Tsuyoshi Imai

Affiliation and department：
Job title： Professor Emeritus
Homepage URL (1)： http://www.prc.tsukuba.ac.jp/wp/

Research field (2)： Basic plasma science , Nuclear fusion

Research theme for competitive and other funds (15)：

2015 - 2020 Discharge induced by high power electro magnetic wave beam and its technology application
2014 - 2019 Study of Multi-MW gyrotron Oscillation for Demo-ECH
2013 - 2017 大電力テラヘルツジャイロトロンの開発と発振ダイナミクスの研究
2014 - 2015 大電力ジャイロトロン、高周波数ジャイロトロンの実証化研究
2010 - 2015 電子サイクロトロン加熱によるコア及び境界プラズマの輸送制御

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Papers (318)：

Yasuhisa Oda, Masayuki Takahashi, Naofumi Ohnishi, Kimiya Komurasaki, Keishi Sakamoto, Tsuyoshi Imai. A study on the macroscopic self-organized structure of high-power millimeter-wave breakdown plasma. Plasma Sources Science and Technology. 2020. 29. 7. 075010-075010
Kohei Shimamura, Maho Matsukura, Naoto Ozaki, Kaisei Miyawaki, Shigeru Yokota, Ryutaro Minami, Tsuyoshi Kariya, Tsuyoshi Imai. Wireless Power Transmission Efficiency for Microwave Rocket Using 28 GHz Gyrotron. JOURNAL OF SPACECRAFT AND ROCKETS. 2020. 57. 3. 632-635
H. Idei, T. Onchi, K. Mishra, H. Zushi, T. Kariya, T. Imai, O. Watanabe, R. Ikezoe, K. Hanada, M. Ono, et al. Electron heating of over-dense plasma with dual-frequency electron cyclotron waves in fully non-inductive plasma ramp-up on the QUEST spherical tokamak. Nuclear Fusion. 2020. 60. 1
H. Idei, T. Onchi, T. Kariya, T., I Tsujimura, S. Kubo, S. Kobayashi, M. Sakaguchi, T. Imai, M. Hasegawa, et al. 28-GHz ECHCD system with beam focusing launcher on the QUEST spherical tokamak. FUSION ENGINEERING AND DESIGN. 2019. 146. 1149-1152
Yoshikawa, M, Kohagura, J, Ikezoe, R, Sakamoto, M, Ezumi, N, Minami, R, Hirata, M, Terakado, A, Nojiri, K, Jang, S, et al. Suppression of flute-like fluctuation by potential formation in GAMMA 10/PDX. NUCLEAR FUSION. 2019. 59. 7

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MISC (70)：

市村和也, 中嶋洋輔, ISLAM Md. Maidul, ISLAM Md. Shahinul, 清水啓太, 大内理人, 福井良磨, 新井瑞穂, 横土敬幸, 平田真史, et al. Analysis of the axial plasma transport to produce high performance plasma flow in GAMMA 10/PDX. プラズマ・核融合学会年会(Web). 2015. 32nd
Keishi Sakamoto, Tsuyoshi Kariya, Yasuhisa Oda, Ryutaro Minami, Ryosuke Ikeda, Ken Kajiwara, Takayuki Kobayashi, Koji Takahashi, Shinichi Moriyama, Tsuyoshi Imai. Study of Sub-Terahertz high power gyrotron for ECH&CD system of DEMO. 2015 42ND IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCES (ICOPS). 2015
南龍太郎, 今井剛, 假家強, 沼倉友晴, 加藤敬輝, 上原真, 遠藤洋一, 池添竜也, 市村真, 王小龍, et al. ELM模擬に向けたECH入射電力変調/位置制御による高熱流束生成の基礎実験. 核融合エネルギー連合講演会(CD-ROM). 2014. 10th
市村和也, 中嶋洋輔, 武田寿人, 細井克洋, 岩元美樹, 細田甚成, 清水啓太, 平田真史, 池添竜也, 大木健輔, et al. GAMMA10/PDXダイバータ模擬実験に向けた端損失粒子フラックスの制御. 核融合エネルギー連合講演会(CD-ROM). 2014. 10th
高橋樹仁, 中嶋洋輔, 細井克洋, 武田寿人, 市村和也, 木暮諭, 岩元美樹, 細田甚成, 蒋佳希, 清水啓太, et al. Time Evolution Analysis of Ion Energy Balance in the GAMMA10 Central-cell. プラズマ・核融合学会年会(Web). 2013. 30th

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Patents (3)：

マイクロ波プラズマ推進装置
ジャイロトロン用電源
ジャイロトロン装置の製造法

Books (3)：

ITERにおける高周波加熱・電流駆動の計画と展望
Journal of Plasma and Fusion Research Journal of Plasma and Fusion Research 2005
核融合炉工学概論
日刊工業新聞社 2001
ミリ波帯の強力な電磁波発振装置ジャイロトロン
電磁環境工学情報電磁環境工学情報 1998

Lectures and oral presentations (29)：

Development of MW Gyrotrons for Fusion Devices by University of Tsukuba
(US-EU-Japan Workshop on RF Heating Technology and US-Japan Workshop on RF Heating Physics 2012)
Behaviors of hydrogen isotopes in silicon carbide for evaluation of hydrogen permeability and retention in nuclear fusion systems
(24th IAEA Fusion Energy Conference (FEC2012) 2012)
Coupling of ICRF Waves and Axial Transport of High-Energy Ions Owing to Spontaneously Excited Waves in the GAMMA 10 Tandem Mirror
(24th IAEA Fusion Energy Conference (FEC2012) 2012)
Development of MW Gyrotrons for Fusion Devices by University of Tsukuba
(24th IAEA Fusion Energy Conference (FEC2012) 2012)
GAMMA 10/PDX project status and future
(the International Conference on Open Magnetic Systems for Plasma Confinement (OS) and the International Workshop on Plasma Material Interaction Facilities for Fusion (PMIF 2012)

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Education (2)：

- 1976 Osaka University Graduate school of Engineering Science, Osaka University Physics
- 1974 Osaka University Department of Engineering Science Electrical Engineering

Professional career (1)：

Doctor (Osaka University)

Work history (6)：

2017/06 - University of Tsukuba Professor Emeritus
2013/04 - University of Tsukuba Plasma Research Center Deputy Director
2008/03/07 - 2013/03/31 University of Tsukuba Plasma Research Center Director
2006/05/01 - University of Tsukuba
2001/04/01 - 2004/04/30 Japa Atomic Energy Reseach Institute Department of Fusion Engineering Research deputy Director

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Committee career (6)：

2013/06 - 2014/12 核融合エネルギー連合講演会核融合エネルギー連合講演会組織委員会/委員
2013/04 - 2014/03 日本原子力研究開発機構炉心プラズマ共同企画委員会JT-60SA専門委員会/委員
2007/08 - 2009/07 日本電気学会「核融合エネルギーー実証技術」調査専門委員会
2007/06 - 2009/06 プラズマ・核融合学会理事
2005/09 - 2007/08 日本電気学会「魅力的核融合炉技術」調査専門委員会

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Awards (8)：

2022/11 - The Japan Society of Plasma Science and Nuclear Fusion Research The 27th JSPF Award for Notable Contribution on Technology Development of Low Frequency Gyrotron for Advanced Fusion Device Plasma Heating
2013/12 - プラズマ・核融合学会プラズマ核融合学会賞技術進歩賞ジャイロトロンの高効率化運転によるマルチメガワットECRHシステムの構築とプラズマの高電子温度化への貢献
1999/06 - 日本原子力研究所日本原子力研究所有効賞
1996/04 - The first Award of Technology Progress in the Japan Society of Plasma Science and Nuclear Fusion Research
1993/03 - The first Award of Research Report in the Japan Society of Plasma Scienc and Nuclear Fusion Research

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Association Membership(s) (4)：

THE PHYSICAL SOCIETY OF JAPAN , Atomic Energy Society of Japan , THE INSTITUTE OF ELECTRICAL ENGINEERS OF JAPAN , THE JAPAN SOCIETY OF PLASMA SCIENCE AND NUCLEAR FUSION RESEARCH

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