Onchi Takumi 恩地拓己

Researcher Number	00727216
Other IDs	https://orcid.org/0000-0001-8821-0296
Affiliation (Current)	2025: 九州大学, 応用力学研究所, 助教
Affiliation (based on the past Project Information) *help	2021 – 2024: 九州大学, 応用力学研究所, 助教 2015 – 2016: 九州大学, 応用力学研究所, 学術研究員
Review Section/Research Field	Principal Investigator Basic Section 14020:Nuclear fusion-related / Plasma science Except Principal Investigator Basic Section 14020:Nuclear fusion-related
Keywords	Principal Investigator プラズマ / 球状トカマク / 高エネルギー電子 / 制動放射X線 / 電流駆動 / 制動放射 / 電子サイクロトロン加熱 / 長時間放電 / 熱流束 / スクレイプオフ層 / 放射損失 / プラズマ熱流束 … More Except Principal Investigator … More 高周波プラズマ立ち上げ / 電子サイクロトロン放射計測 / 合成開口解析 / 電子サイクトロトロン加熱電流駆動 / 非誘導プラズマ立ち上げ / 電子サイクロトロン加熱・電流駆動 / 球状トカマク / 非誘導プラズマ電流立ち上げ / 電子サイクロトロン加熱電流駆動 Less

Bremsstrahlung X-ray measurement of energetic electrons at the current-drive by multiple harmonic electron cyclotron wavesPrincipal Investigator
- Principal Investigator
  
  Onchi Takumi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 14020:Nuclear fusion-related
- Research Institution
  Kyushu University
先進炉での非誘導・炉心プラズマ立ち上げに向けた共鳴速度空間制御加熱とその機構解明
- Principal Investigator
  
  出射浩
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 14020:Nuclear fusion-related
- Research Institution
  Kyushu University
Heat-flow change induced by active radiation loss in open magnetic flux of steady-state spherical tokamakPrincipal Investigator
- Principal Investigator
  
  Onchi Takumi
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Plasma science
- Research Institution
  Kyushu University

All 2023 2022 2021 2017 2016 2015

All Journal Article Presentation

[Journal Article] A versatile power supply system for the central solenoid of the QUEST spherical tokamak2023
- Author(s)
  Zhang Yifan、Onchi Takumi、Nakamura Kazuo、Otsuka Yuya、Koide Yuji、Yue Qilin、Nagata Takahiro、Kawasaki Shoji、Kuroda Kengoh、Hasegawa Makoto、Ikezoe Ryuya、Ido Takeshi、Hanada Kazuaki、Idei Hiroshi
- Journal Title
  
  Fusion Engineering and Design
  
  Volume: 191 Pages: 113648-113648
- DOI
  10.1016/j.fusengdes.2023.113648
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22KJ2395, KAKENHI-PROJECT-21K03510
[Journal Article] Initial testing of ohmic heating through double flux swing during electron cyclotron start-up in the QUEST spherical tokamak2023
- Author(s)
  ZHANG Yifan、ONCHI Takumi、NAKAMURA Kazuo、YUE Qilin、NAGATA Takahiro、KAWASAKI Shoji、KURODA Kengoh、HASEGAWA Makoto、IKEZOE Ryuya、IDO Takeshi、HANADA Kazuaki、IDEI Hiroshi
- Journal Title
  
  Plasma Science and Technology
  
  Volume: 25 Issue: 5 Pages: 055104-055104
- DOI
  10.1088/2058-6272/acafc2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03511, KAKENHI-PROJECT-22KJ2395, KAKENHI-PROJECT-21K03510
[Journal Article] ELECTRON CYCLOTRON CURRENT START-UP WITH RETARDING ELECTRIC FIELD IN THE QUEST SPHERICAL TOKAMAK2023
- Author(s)
  T. Onchi, H. Idei, et al.,
- Journal Title
  
  Proceedings of 29th Fusion Energy Conference (FEC2023), IAEA-CN-316-1762
  
  Volume: 1
- Data Source
  KAKENHI-PROJECT-23K20839
[Journal Article] ELECTRON CYCLOTRON CURRENT START-UP WITH RETARDING ELECTRIC FIELD IN THE QUEST SPHERICAL TOKAMAK2023
- Author(s)
  T. ONCHI, H. IDEI, K. HANADA, Y. ZHANG, K. NAKAMURA, R. IKEZOE, M. HASEGAWA, K. KURODA, Y. KOIDE, Y. OTSUKA, A. HIGASHIJIMA, T. NAGATA, I. SEKIYA, S. SHIMABUKURO, I. NIIYA, K. KONO, F. ZENNIFA, Y. NAGASHIMA, T. IDO, Y. KOSUGA, O. WATANABE, A. EJIRI, T. KARIYA, S. MURAKAMI
- Journal Title
  
  29th IAEA Fusion Energy Conference,
  
  Volume: CN-316-1762 Pages: 1-8
- Data Source
  KAKENHI-PROJECT-21K03510
[Journal Article] Circuit design for doubling the toroidal magnetic field on the QUEST spherical tokamak2023
- Author(s)
  Onchi Takumi、Idei Hiroshi、Yanagi Nagato、Zhang Yifan、Nakamura Kazuo、Kuroda Kengoh、Hasegawa Makoto、Ikezoe Ryuya、Hanada Kazuaki、Ido Takeshi、Kobayashi Masahiro、Ogawa Yuichi、Yoshitani Minoru、Kawamura Takemi
- Journal Title
  
  Fusion Engineering and Design
  
  Volume: 192 Pages: 113794-113794
- DOI
  10.1016/j.fusengdes.2023.113794
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510, KAKENHI-PROJECT-23K20839
[Journal Article] Overview of coordinated spherical tokamak research in Japan2022
- Author(s)
  Takase Y.、Ejiri A.、Fujita T.、Hanada K.、Idei H.、Nagata M.、Onchi T.、Ono Y.、Tanaka H.、Tsujii N.、Uchida M.、Yasuda K.、Kasahara H.、Murakami S.、Takeiri Y.、Todo Y.、Tsuji-Iio S.、Kamada Y.
- Journal Title
  
  Nuclear Fusion
  
  Volume: 62 Issue: 4 Pages: 042011-042011
- DOI
  10.1088/1741-4326/ac29cf
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00136, KAKENHI-PROJECT-21K03510, KAKENHI-PROJECT-21H04456
[Journal Article] Designing an upgrade of ohmic heating system for the QUEST spherical tokamak2021
- Author(s)
  Zhang Yifan、Onchi Takumi、Nakamura Kazuo、Kidani Akihiro、Yue Qilin、Kuroda Kengoh、Hasegawa Makoto、Ikezoe Ryuya、Idei Hiroshi
- Journal Title
  
  Fusion Engineering and Design
  
  Volume: 168 Pages: 112362-112362
- DOI
  10.1016/j.fusengdes.2021.112362
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03510, KAKENHI-PROJECT-21K03511
[Journal Article] Observation of second harmonic electron cyclotron resonance heating and current-drive transition during non-inductive plasma start-up experiment in QUEST2021
- Author(s)
  Kojima S.、Hanada K.、Idei H.、Onchi T.、Ikezoe R.、Nagashima Y.、Hasegawa M.、Kuroda K.、Nakamura K.、Higashijima A.、Nagata T.、Kawasaki S.、Shimabukuro S.、Elserafy H.、Fukuyama M.、Ejiri A.、Shikama T.、Yoneda N.、Yoneda R.、Kariya T.、Takase Y.、Murakami S.、Bertelli N.、Ono M.
- Journal Title
  
  Plasma Physics and Controlled Fusion
  
  Volume: 63 Issue: 10 Pages: 105002-105002
- DOI
  10.1088/1361-6587/ac1838
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510
[Journal Article] Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST2021
- Author(s)
  Hanada K.、Yoshida N.、Hasegawa M.、Oya M.、Oya Y.、Takagi I.、Hatayama A.、Shikama T.、Idei H.、Nagashima Y.、Ikezoe R.、Onchi T.、Kuroda K.、Kawasaki S.、Higashijima A.、Nagata T.、Shimabukuro S.、Nakamura K.、Murakami S.、Takase Y.、Gao X.、Liu H.、Qian J.
- Journal Title
  
  Nuclear Materials and Energy
  
  Volume: 27 Pages: 101013-101013
- DOI
  10.1016/j.nme.2021.101013
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04456, KAKENHI-PROJECT-21H01054, KAKENHI-PROJECT-21K03510
[Journal Article] Quaternion Analysis of a Direct Matrix Converter Based on Space-Vector Modulation2021
- Author(s)
  NAKAMURA Kazuo、ZHANG Yifan、ONCHI Takumi、IDEI Hiroshi、HASEGAWA Makoto、TOKUNAGA Kazutoshi、HANADA Kazuaki、MITARAI Osamu、KAWASAKI Shoji、HIGASHIJIMA Aki、NAGATA Takahiro、SHIMABUKURO Shun
- Journal Title
  
  Plasma and Fusion Research
  
  Volume: 16 Issue: 0 Pages: 2405037-2405037
- DOI
  10.1585/pfr.16.2405037
- NAID
  130008022671
- ISSN
  1880-6821
- Year and Date
  2021-03-12
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510
[Journal Article] Initial Results from High-Field-Side Transient CHI Start-Up on QUEST2021
- Author(s)
  Kengoh KURODA, Roger RAMAN et al.
- Journal Title
  
  Plasma and Fusion Research
  
  Volume: 16 Issue: 0 Pages: 2402048-2402048
- DOI
  10.1585/pfr.16.2402048
- NAID
  130008033380
- ISSN
  1880-6821
- Year and Date
  2021-04-09
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14685, KAKENHI-PROJECT-21K03510
[Journal Article] MHD Equilibrium Reconstruction Using the Visible Light Tomographic Method with Laplacian Eigenfunction2021
- Author(s)
  SUZUKI Kosuke、MURAKAMI Sadayoshi、OHDACHI Satoshi、IDEI Hiroshi、KURODA Kengoh、IKEZOE Ryuya、ONCHI Takumi
- Journal Title
  
  Plasma and Fusion Research
  
  Volume: 16 Issue: 0 Pages: 2402090-2402090
- DOI
  10.1585/pfr.16.2402090
- NAID
  130008064613
- ISSN
  1880-6821
- Year and Date
  2021-07-05
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510
[Journal Article] Permutation entropy and statistical complexity in characterizing low-aspect-ratio reversed-field pinch plasma2017
- Author(s)
  T. Onchi, A. Fujisawa, A. Sanpei, H. Himura, S. Masamune
- Journal Title
  
  Physica Scripta
  
  Volume: 92 Issue: 5 Pages: 055601-055601
- DOI
  10.1088/1402-4896/aa6689
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26287144, KAKENHI-PROJECT-15K17800, KAKENHI-PROJECT-17H06089
[Journal Article] Spatial distribution of atomic and ion hydrogen flux and its effect on hydrogen recycling in long duration confined and non-confined plasmas2017
- Author(s)
  A. Kuzmin, H. Zushi, I. Takagia, S. K. Sharma, M. Kobayashi, Y. Hirooka, T. Onchi, K. Hanada, N. Yoshida, K. Nakamura, A. Fujisawa, H. Idei, Y. Nagashima, M. Hasegawa, T. Mutoh, K. Mishra, H. Ohwada
- Journal Title
  
  Nuclear Materials and Energy
  
  Volume: 印刷中 Pages: 627-632
- DOI
  10.1016/j.nme.2017.03.027
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Development Toward a Repetitive Compact Torus Injector2016
- Author(s)
  T. Onchi, D. McColl, A. Rohollahi, C. Xiao, A. Hirose, M. Dreval, and S. Wolfe
- Journal Title
  
  IEEE TRANSACTIONS ON PLASMA SCIENCE
  
  Volume: 44 Issue: 2 Pages: 195-195
- DOI
  10.1109/tps.2015.2499218
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17800
[Journal Article] Hydrogen flux measurements with permeation probes in speherical tokamak QUEST2016
- Author(s)
  A.Kuzmin, H.Zushi, I.Takagi, S.K.Sharma, Y.Hirooka, M.Kobayashi, M.Sakamoto, K.Hanada, T.Onchi, Y.Oyama, N.Yoshida, K.Nakamura, A.Fujisawa, H.Idei, Y.Nagashima, M.Hasegawa, K.Mishra
- Journal Title
  
  Vacuum
  
  Volume: 129 Pages: 178-182
- DOI
  10.1016/j.vacuum.2016.04.025
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-16H02441, KAKENHI-PROJECT-15K17800
[Journal Article] Tomography as a promising diagnostic tool for plasma turbulence2016
- Author(s)
  A. Fujisawa, Y. Nagashima, S. Inagaki, T. Onchi, S. Ohshima, A. Shimizu
- Journal Title
  
  Plasma Phys. Control. Fusion
  
  Volume: 58 Issue: 2 Pages: 0250051-10
- DOI
  10.1088/0741-3335/58/2/025005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K14283, KAKENHI-PROJECT-15K17800
[Journal Article] Comparative studies of inner and outer divertor discharges and a fueling study in QUEST2016
- Author(s)
  O. Mitarai, K. Nakamura, M. Hasegawa, T. Onchi, H. Idei, A. Fujisawa, K. Hanada, H. Zushi, A. Higashijima, H. Nakashima, S. Kawasaki, QUEST group, K. Matsuoka, S. Koike, T. Takahashi, H. Tsutsui
- Journal Title
  
  Fusion Engineering and Design
  
  Volume: 109-111, PartB Pages: 1624-1630
- DOI
  10.1016/j.fusengdes.2015.12.022
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Multiple wall-reflection effect in adaptive-array differential-phase reflectometry on QUEST2016
- Author(s)
  H Idei, K Mishra, MK Yamamoto, A Fujisawa, Y Nagashima, M Hamasaki, Y Hayashi, T Onchi, K Hanada, H Zushi
- Journal Title
  
  Journal of Instrumentation
  
  Volume: 11 Issue: 01 Pages: C01014-C01014
- DOI
  10.1088/1748-0221/11/01/c01014
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K17800
[Journal Article] Observation of an edge coherent mode and poloidal flow in the electron cyclotron wave induced high βp plasma in QUEST2016
- Author(s)
  Santanu Banerjee, H. Zushi, N. Nishino, K. Mishra, Y. Mahira, S. Tashima, A. Ejiri, T. Yamaguchi, T. Onchi, Y. Nagashima, K. Hanada, K. Nakamura, H. Idei, M. Hasegawa, A. Fujisawa, A. Kuzmin and K. Matsuoka
- Journal Title
  
  Physics of Plasmas
  
  Volume: 23 Issue: 8 Pages: 082507-082507
- DOI
  10.1063/1.4960117
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Response of the far scrape-off layer plasma to strong gas puffing in the high poloidal beta configuration on the QUEST spherical tokamak2016
- Author(s)
  Onchi, Takumi; Zushi, Hideki; Mishra, Kishore; Oyama, Yuya; Nagashima, Yoshihiko; Hanada, Kazuaki; Idei, Hiroshi; Hasegawa, Makoto; Kuzmin, Arseniy; Miura, Hiroki; Nakamura, K; Fujisawa, Akihide; Nagaoka, Kenichi
- Journal Title
  
  Plasma Physics and Controlled Fusion
  
  Volume: 58 Issue: 11 Pages: 115004-115004
- DOI
  10.1088/0741-3335/58/11/115004
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Self organization of high beta_p plasma equilibrium with an inboard poloidal magnetic field null in QUEST2015
- Author(s)
  Kishore Mishra, H Zushi, H Idei, M Hasegawa, T Onchi, S Tashima, S Banerjee, H Hanada, H Togashi, T Yamaguchi, A Ejiri, Y Takase, K Nakamura, A Fujisawa, Y Nagashima, A Kuzmin
- Journal Title
  
  Nuclear Fusion
  
  Volume: 55 Issue: 8 Pages: 083009-083009
- DOI
  10.1088/0029-5515/55/8/083009
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17800
[Journal Article] Particle balance in long duration RF driven plasmas on QUEST2015
- Author(s)
  K. Hanada, H. Zushi, N. Yoshida, M. Hasegawa, K. Mishra, Kuzumin, K. Nakamura, A. Fujisawa, H. Idei, Y. Nagashima, O. Watanabe, T. Onchi, H. Watanabe, K. Tokunaga, A. Higashijima, S.Kawasaki, H.Nakashima, Y.Takase, A.Fukuyama, O.Mitarai, T.Maekawa and M. Peng
- Journal Title
  
  Journal of Nuclear Materials
  
  Volume: 463 Pages: 1084-1084
- DOI
  10.1016/j.jnucmat.2015.01.013
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24656559, KAKENHI-PROJECT-15K17800, KAKENHI-PROJECT-24226020
[Journal Article] Dynamical programming based turbulence velocimetry for fast visible imaging of tokamak plasma2015
- Author(s)
  Santanu Banerjee, H. Zushi, N. Nishino, K. Mishra, T. Onchi, A. Kuzmin, Y. Nagashima, K. Hanada, K. Nakamura, H. Idei, M.Hasegawa, and A. Fujisawa
- Journal Title
  
  Review of Scientific Instruments
  
  Volume: 86 Issue: 3 Pages: 033505-033505
- DOI
  10.1063/1.4914838
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Heat flux and plasma flow in the far scrape-off layer of the inboard poloidal field null configuration in QUEST2015
- Author(s)
  T Onchi, H Zushi, K Mishra, Y Mahira, K Nagaoka, K Hanada, H Idei, M Hasegawa, K Nakamura, A Fujisawa, Y Nagashima, K Matsuoka, S Tashima, S Banerjee, A Kuzmin, S Kawasaki, H Nakashima, A Higashijima, O Watanabe
- Journal Title
  
  Physics of Plasmas (1994-present)
  
  Volume: 22 Issue: 8 Pages: 082513-082513
- DOI
  10.1063/1.4928878
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K17800
[Journal Article] Global gas balance and peculiarities of atomic hydrogen influence on hydrogen wall inventory in steady-state operation of QUEST tokamak2015
- Author(s)
  A.Kuzmin, H. Zushi, I.Takagi, S.K. Sharma, A. Rusinov, Y. Inoue, Y. Hirooka, H. Zhou, M. Kobayashi, M. Sakamoto, K. Hanada, N. Yoshida, K. Nakamura, A. Fujisawa, M.Matsuoka, H. Idei, Y. Nagashima, M. Hasegawa, T.Onchi, S. Banerjee, K. Mishira
- Journal Title
  
  Journal of Nuclear Materials
  
  Volume: in press Pages: 1087-1087
- DOI
  10.1016/j.jnucmat.2014.12.092
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Journal Article] Observation of heat flux and plasma flow in scrapr off layer in QUEST2015
- Author(s)
  T. Onchi, Y. Mahira, K. Nagaoka, S. Tashima, S. Banerjee, K. Mishra, H. Idei, K. Hanada, K. Nakamura, A. Fujisawa, Y. Nagashima, M.Hasegawa, K. Matsuoka, A. Kuzmin, O. Watanabe, S. Kawasaki, H. Nakashima, A. Higashijima
- Journal Title
  
  Journal of Nuclear Materials
  
  Volume: in press Pages: 428-428
- DOI
  10.1016/j.jnucmat.2014.11.136
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24226020, KAKENHI-PROJECT-15K17800
[Presentation] 球状トカマク型装置QUESTにおける逆電流駆動方向トロイダル電場印加時の電子サイクロトロン加熱2023
- Author(s)
  恩地拓己, 出射浩, 他
- Organizer
  第40回プラズマ・核融合学会年会
- Data Source
  KAKENHI-PROJECT-23K20839
[Presentation] Electron Cyclotron Current Start-up with Retarding Electric Field in the QUEST Spherical Tokamak2023
- Author(s)
  T. Onchi, H. Idei, et al.,
- Organizer
  29th Fusion Energy Conference (FEC2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K20839
[Presentation] Electron Cyclotron Current Start-up with Retarding Electric Field in the QUEST Spherical Tokamak2023
- Author(s)
  Takumi Onchi
- Organizer
  29th Fusion Energy Conference(FEC2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] Review of QUEST RF pre-ionization studies2023
- Author(s)
  Takumi Onchi
- Organizer
  ITPA IOS meeting
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] 球状トカマク型装置QUESTにおける逆電流駆動方向トロイダル電場印加時の電子サイクロトロン加熱2023
- Author(s)
  恩地拓己
- Organizer
  第40回プラズマ・核融合学会年会
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] 球状トカマク中の高エネルギー電子観測用二次元硬X線計測器開発と初期結果2022
- Author(s)
  王洋 ,恩地拓己, 花田和明, 張逸凡, 関谷泉,池添竜也, 出射浩
- Organizer
  第39回プラズマ・核融合学会年会
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] 球状トカマクQUESTにおける電子サイクロトロン加熱/電流駆動へのトロイダル電場の影響2021
- Author(s)
  恩地拓己, 出射浩, 福山雅治, 渡邉理, 武田康佑, Y. Zhang, 池添竜也, 長谷川真, 黒田賢剛, 井戸毅, 花田和明, 中村一男, 江尻晶, Y. Peng, 假家強, 福山淳
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] 球状トカマクの高エネルギー電子空間分布観測を目指した二次元硬 X 線計測システムの設計2021
- Author(s)
  王洋 , 恩地拓己 , 花田和明 , 岳其霖 , 池添竜也 , 出射浩
- Organizer
  プラズマ・核融合学会九州・沖縄・山口支部第25回支部大会
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] 球状トカマクQUESTにおけるEC高調波加熱／電流駆動へのトロイダル電場の影響2021
- Author(s)
  恩地拓己 , 出射浩 , 福山雅治 , 渡邉理 , 武田康佑 , Y. Zhang , Y. Wang , 池添竜也 , 長谷川真 , 黒田賢剛 , 井戸毅 , 花田和明 , 中村一男 , 江尻晶 , Y. Peng , 假家強 , 福山淳
- Organizer
  第38回プラズマ・核融合学会年会
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] Plasma Current Ramp-Up with 28 Ghz Second Harmonic Electron Cyclotron Wave in the Quest Spherical Tokamak2021
- Author(s)
  ONCHI, Takumi
- Organizer
  28th IAEA Fusion Energy Conference (FEC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K03510
[Presentation] QUEST - IPN 配位におけるガスパフ入射時の遠方 SOL 流の振る舞い2016
- Author(s)
  恩地拓己，図子秀樹， Kishore Mishra ，小山雄也 A ，永島芳彦，花田和明，出射浩，長谷川真，藤澤彰英，中村一男， Arseniy Kuzmin, QUEST team
- Organizer
  日本物理学会第71回年次大会
- Place of Presentation
  東北学院大学泉キャンパス
- Year and Date
  2016-03-19
- Data Source
  KAKENHI-PROJECT-15K17800
[Presentation] Non-inductive current built-up by local electron cyclotron heating and current drive with a 28 GHz focused beam on QUEST2016
- Author(s)
  Takumi Onchi
- Organizer
  APS Division of Plasma Physics Meeting 2016, abstract #PP10.025
- Place of Presentation
  San Jose, California, United States of America
- Year and Date
  2016-10-31
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17800
[Presentation] Modification of far-SOL flow by substantial gas injection in the inboard poloidal field null configuration on QUEST2015
- Author(s)
  T Onchi, H Zushi, Y Oyama, K Mishra, Y Nagashima, K Hanada, H Idei, M Hasegawa, A Kuzmin, K Nakamura, A Fujisawa, K Nagaoka
- Organizer
  American Physical Society
- Place of Presentation
  Savannah, GA, USA
- Year and Date
  2015-11-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K17800

1. 出射浩 (70260049)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
2. FUJISAWA Akihide

# of Collaborated Projects: 0 results

# of Collaborated Products: 8 results
3. NAGASHIMA Yoshihiko

# of Collaborated Projects: 0 results

# of Collaborated Products: 7 results
4. IKEZOE Ryuya

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
5. INAGAKI Shigeru

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
6. SANPEI Akio

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
7. SHIKAMA Taiichi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 小野靖

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
9. 花田和明

# of Collaborated Projects: 0 results

# of Collaborated Products: 10 results
10. 図子秀樹

# of Collaborated Projects: 0 results

# of Collaborated Products: 7 results
11. Kuzmin Arseniy

# of Collaborated Projects: 0 results

# of Collaborated Products: 7 results
12. 比村治彦

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
13. 政宗貞男

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
14. Rusinov Aleksandr

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 中村浩章

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 大宅諒

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Onchi Takumi 恩地 拓己

Research Projects

Research Products

Co-Researchers

Bremsstrahlung X-ray measurement of energetic electrons at the current-drive by multiple harmonic electron cyclotron wavesPrincipal Investigator

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先進炉での非誘導・炉心プラズマ立ち上げに向けた共鳴速度空間制御加熱とその機構解明

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Heat-flow change induced by active radiation loss in open magnetic flux of steady-state spherical tokamakPrincipal Investigator

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[Journal Article] A versatile power supply system for the central solenoid of the QUEST spherical tokamak2023

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[Journal Article] Initial testing of ohmic heating through double flux swing during electron cyclotron start-up in the QUEST spherical tokamak2023

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[Journal Article] ELECTRON CYCLOTRON CURRENT START-UP WITH RETARDING ELECTRIC FIELD IN THE QUEST SPHERICAL TOKAMAK2023

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[Journal Article] ELECTRON CYCLOTRON CURRENT START-UP WITH RETARDING ELECTRIC FIELD IN THE QUEST SPHERICAL TOKAMAK2023

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[Journal Article] Circuit design for doubling the toroidal magnetic field on the QUEST spherical tokamak2023

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[Journal Article] Overview of coordinated spherical tokamak research in Japan2022

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[Journal Article] Designing an upgrade of ohmic heating system for the QUEST spherical tokamak2021

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[Journal Article] Observation of second harmonic electron cyclotron resonance heating and current-drive transition during non-inductive plasma start-up experiment in QUEST2021

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[Journal Article] Overview of recent progress on steady state operation of all-metal plasma facing wall device QUEST2021

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[Journal Article] Quaternion Analysis of a Direct Matrix Converter Based on Space-Vector Modulation2021

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[Journal Article] Initial Results from High-Field-Side Transient CHI Start-Up on QUEST2021

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Onchi Takumi 恩地拓己