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J-GLOBAL ID：200901057156243825   Update date: Mar. 30, 2024

Ejiri Akira

エジリ アキラ | Ejiri Akira
Affiliation and department：
The University of Tokyo

About The University of Tokyo


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 ,  plasma diagnostics ,  nuclear fusion ,  microwave diagnostics
Research theme for competitive and other funds  (26)：
  • 2021 - 2024 高エネルギー電子計測用損失電子プローブの開発と低域混成波維持プラズマへの適用
  • 2011 - 2015 Study of spatial asymmetry of nonlinear energy transfer in tokamak plasma turbulence
  • 2009 - 2014 Current Drive in Spherical Tokamak Plasmas by the Lower Hybrid Wave
  • 2012 - 2012 Development of an optically trapped multiple-pass Thomson scattering measurement system
  • 2011 - 2012 Demonstration of an in-situ relative calibration method of Thomson scattering diagnostics for burning plasmas.
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Papers (208)：
  • Yiming TIAN, Akira EJIRI, Naoto TSUJII, Yuting LIN, Kouji SHINOHARA, Seowon JANG, Yi PENG, Kotaro IWASAKI, Fumiya ADACHI. Spectroscopic Study of Molybdenum Impurity Generation in LHW Sustained Plasmas on TST-2 Spherical Tokamak. Plasma and Fusion Research. 2024. 19. 1402010-1402010
  • Kotaro IWASAKI, Akira EJIRI, Naoto TSUJII, Kouji SHINOHARA, Osamu WATANABE, Seowon JANG, Yi PENG, Yuting LIN, Fumiya ADACHI, Tian YIMING. Anomalous Ion Heating in Lower Hybrid Wave Sustained Plasmas on the TST-2 Spherical Tokamak Device. Plasma and Fusion Research. 2023. 18. 1402089-1402089
  • K. Kuroda, R. Raman, T. Onchi, M. Hasegawa, K. Hanada, M. Ono, B.A. Nelson, J. Rogers, R. Ikezoe, H. Idei, et al. Demonstration of transient CHI startup using a floating biased electrode configuration. Nuclear Fusion. 2023. 64. 1. 014002-014002
  • Y. Ko, N. Tsujii, A. Ejiri, O. Watanabe, S. Jang, K. Shinohara, K. Iwasaki, Y. Peng, Y. Lin, Y. Shirasawa, et al. Development of an outer-off-midplane lower hybrid wave launcher for improved core absorption in non-inductive plasma start-up on TST-2. Nuclear Fusion. 2023. 63. 12. 126015-126015
  • N. Yoneda, T. Shikama, F. Scotti, K. Hanada, H. Iguchi, H. Idei, T. Onchi, A. Ejiri, T. Ido, K. Kono, et al. Spectroscopic measurement of increases in hydrogen molecular rotational temperature with plasma-facing surface temperature and due to collisional-radiative processes in tokamaks. Nuclear Fusion. 2023. 63. 9. 096004-096004
ｍore...
MISC (363)：
  • 四竈泰一, 小宮山拓海, 花田和明, 井戸毅, 恩地拓己, 河野香, 江尻晶, 長谷川真, 井上怜, 蓮尾昌裕, et al. A comparison between helium line intensity ratio and Thomson scattering methods for the measurements of the temperature and density profiles in a QUEST ECH plasma. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
  • Y. Takase, A. Ejiri, T. Fujita, K. Hanada, H. Idei, M. Nagata, T. Onchi, Y. Ono, H. Tanaka, N. Tsujii, et al. Overview of coordinated spherical tokamak research in Japan. Nuclear Fusion. 2022. 62. 4
  • 永島芳彦, 花田和明, 小島信一郎, ELSERAFY H., 図子秀樹, 長谷川真, 中村一男, 出射浩, 藤澤彰英, 江尻晶, et al. Initial results of SOL plasma measurements with an electrode system during SSTOs in QUEST. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
  • 福本正勝, YUE Q., 花田和明, 小島信一郎, 仲野友英, 吉田直亮, 池添竜也, 永島芳彦, 井戸毅, 恩地拓己, et al. Electron cyclotron wall conditioning using neon gas in QUEST. プラズマ・核融合学会年会(Web). 2022. 39th
  • 井口拓己, 四竈泰一, 小宮山拓海, 福本正勝, 花田和明, 恩地拓己, 周俊尭, 岳其霖, 平賀涼輔, 井戸毅, et al. Multiple viewing chords visible spectroscopy of neon toroidal ECR plasma in QUEST. プラズマ・核融合学会年会(Web). 2021. 38th
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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 Graduate School, Division of Science
  • - 1987 The University of Tokyo Faculty of Science
  • - 1987 The University of Tokyo Faculty of Science
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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