Rchr
J-GLOBAL ID:200901057156243825   Update date: Sep. 19, 2020

Ejiri Akira

エジリ アキラ | Ejiri Akira
Affiliation and department:
Job title: Associate Professor
Homepage URL  (1): http://fusion.k.u-tokyo.ac.jp/~ejiri/
Research field  (3): Nuclear fusion ,  Basic plasma science ,  Applied plasma science
Research keywords  (5): spherical tokamak ,  plasma physics ,  nuclear fusion ,  plasma diagnostics ,  microwave diagnostics
Research theme for competitive and other funds  (7):
  • 1998 - 球状トカマクプラズマの研究
  • 1992 - マイクロ波によるプラズマ診断
  • マイクロ波計測
  • Microwave Diagnostics
  • plasma diagnostics using microwaves
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Papers (162):
  • A. Ejiri, Y. Takase, N. Tsujii, S. Yajima, H. Yamazaki, O. Mitarai. Theoretical study of pre-ionization by inductive field in tokamaks. Nuclear Fusion. 2020
  • Tokuzawa, Tokihiko, Oguri, K, Kubo, S, Tanaka, K, Yamada, H, Watanabe, Y, Ejiri, A, Inagaki, S, Kohagura, Junko, Saito, T. Developments of Millimeter Wave Backscattering Systems for Fusion Plasma Turbulence Measurements. Proceedings of 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2018). 2018
  • Hibiki Yamazaki, Hirokazu Furui, Kotaro Yamasaki, Tomohiko Ushiki, Akira Ejiri, Michiaki Inomoto, Yuichi Takase, Yasushi Ono, Naoto Tsujii. Measurement of the Local Current Density Inside a Current Sheet Using a Rogowski Coil Array on UTST Merging Plasmas. PLASMA AND FUSION RESEARCH. 2018. 13. 1202093
  • T. Ii Tsujimura, Y. Mizuno, T. Tokuzawa, Y. Ito, S. Kubo, T. Shimozuma, Y. Yoshimura, H. Igami, H. Takahashi, A. Ejiri, et al. Real-time control of electron cyclotron wave polarization in the LHD. Fusion Engineering and Design. 2018. 131. 130-134
  • A. Ejiri, Y. Takase, N. Tsujii, H. Togashi, H. Furui, T. Shinya, B. Roidl, M. Sonehara, S. Yajima, Y. Yoshida, et al. Pre-ionization by AC Ohmic coil operation in the TST-2 spherical tokamak. NUCLEAR FUSION. 2018. 58. 1. 016012
more...
MISC (159):
  • T. Ii Tsujimura, S. Kubo, H. Takahashi, R. Makino, R. Seki, Y. Yoshimura, H. Igami, T. Shimozuma, K. Ida, C. Suzuki, et al. Development and application of a ray-tracing code integrating with 3D equilibrium mapping in LHD ECH experiments. Nuclear Fusion. 2015. 55. 12
  • K. Ida, M. Yoshinuma, H. Tsuchiya, T. Kobayashi, C. Suzuki, M. Yokoyama, A. Shimizu, K. Nagaoka, S. Inagaki, K. Itoh, et al. Flow damping due to stochastization of the magnetic field. Nature Communications. 2015. 6
  • Tokihiko Tokuzawa, LHD Experiment Group, Shigeru Inagaki, Akira Ejiri, Ryota Soga, Ichihiro Yamada, Shin Kubo, Mikiro Yoshinuma, Katsumi Ida, Chihiro Suzuki, et al. Ka-band microwave frequency comb doppler reflectometer system for the large helical device. Plasma and Fusion Research. 2014. 9
  • T. Tokuzawa, A. Ejiri, K. Kawahata, K. Tanaka, I. Yamada, M. Yoshinuma, K. Ida, C. Suzuki. Microwave Doppler reflectometer system in LHD. Review of Scientific Instruments. 2012. 83. 10
  • 図子秀樹, 西野信博, 花田和明, 劉海慶, 長谷川真, 石黒正貴, 田島西夜, 中村一男, 藤澤彰英, 出射浩, et al. QUESTプラズマSOL揺動の高次モーメントを用いた“偶然力”の評価. 日本物理学会講演概要集. 2011. 66. 1. 256
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Books (8):
  • High Beta Experiments in CHS(共著)
    'Plasma physics and Controlled Nuclear Fusion Research'IAEA Vienna 1995
  • High Beta Experiments in CHS(共著)
    'Plasma physics and Controlled Nuclear Fusion Research'IAEA Vienna 1995
  • 'Fluctuations-Induced Transports and Anomalous Heating in RFP, ULQ and VLQ Plasmas', (共著)
    Plasma Physics and Cotrolled Nuclear Fusion Research(Proceedings of the 14th Int. Conf. , 1992) 1993
  • 'Fluctuations-Induced Transports and Anomalous Heating in RFP, ULQ and VLQ Plasmas', (共著)
    Plasma Physics and Cotrolled Nuclear Fusion Research(Proceedings of the 14th Int. Conf. , 1992) 1993
  • Anomaly of Ion Temperature in the Reversed Field Pinch(RFP) and Ultra Low Q(ULQ) Plasmas of REPUTE-1 and 1Q
    Plasma Physics and Controlled Fusion Research 1991
more...
Works (3):
  • 超短パルスマイクロ波によるプラズマ診断
    2000 - 2004
  • 米国ジュネラルアトミックス社におけるマイクロ波反射計開発
    1993 -
  • DEVELOPMENT OF MICROWAVE REFLECTOMETRY AT GENERAL ATOMICS
    1993 -
Education (4):
  • - 1992 The University of Tokyo
  • - 1992 The University of Tokyo
  • - 1987 The University of Tokyo
  • - 1987 The University of Tokyo
Professional career (2):
  • Master of Science (The University of Tokyo)
  • Doctor of Science (The University of Tokyo)
Work history (5):
  • 2007/04 - 現在 The University of Tokyo Graduate School of Frontier Sciences Associate Professor
  • 1999/04 - 2007/03 The University of Tokyo Graduate School of Frontier Sciences Assistant Professor
  • 1998/03 - 1999/03 The University of Tokyo Graduate School of Science Research Assistant
  • 1992 - 1998 National Institute for Fusion Science
  • 1992 - 1998 National Institute for Fusion Science, Research Associate
Committee career (6):
  • 2014/09 - 2020/03 プラズマ・核融合学会 男女共同参画委員
  • 2017/07 - 2019/06 プラズマ・核融合学会 編集委員
  • 2014/04 - 2016/03 文部科学省 学術調査官
  • 2010/09 - 2014/03 日本物理学会 男女共同参画推進委員
  • 2002/04 - 2008/03 核融合エネルギーフォーラム 調整委員
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Association Membership(s) (4):
プラズマ・核融合学会 ,  物理学会 ,  Japanese Society of Plasma Science and Nuclear Fusion Research ,  Physical Society of Japan
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