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Investigation on the edge structure of tokamak plasmas by edge current profile measurement with ultra-high spatial resolution

Research Project

Project/Area Number 17106013
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Research Field Nuclear fusion studies
Research InstitutionJapan Atomic Energy Agency

Principal Investigator

FUJITA Takaaki  Japan Atomic Energy Agency, 核融合研究開発部門, 研究主幹 (70354602)

Co-Investigator(Kenkyū-buntansha) KAMIYA Kensaku  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究職 (60360426)
KOJIMA Atsushi  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 任期付研究員 (50446449)
井口 春和  核融合科学研究所, 大型ヘリカル研究部, 准教授 (40115522)
大山 直幸  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究副主幹 (80354596)
鈴木 隆博  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究職 (60354594)
鎌田 裕  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主幹 (30354567)
Co-Investigator(Renkei-kenkyūsha) IGUCHI Harukazu  核融合科学研究所, 大型ヘリカル研究部, 准教授 (40115522)
KUBO Hirotaka  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主幹 (40354584)
OYAMA Naoyuki  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究副主幹 (80354596)
SUZUKI Takahiro  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究副主幹 (60354594)
KAMADA Yutaka  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主席 (30354567)
MIURA Yukitoshi  独立行政法人日本原子力研究開発機構, 核融合研究開発部門, 研究主席 (60354586)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥108,160,000 (Direct Cost: ¥83,200,000、Indirect Cost: ¥24,960,000)
Fiscal Year 2008: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2007: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2006: ¥59,670,000 (Direct Cost: ¥45,900,000、Indirect Cost: ¥13,770,000)
Fiscal Year 2005: ¥38,090,000 (Direct Cost: ¥29,300,000、Indirect Cost: ¥8,790,000)
Keywords磁場核融合 / プラズマ閉じ込め・安定性 / Hモード / ELM / リチウムビーム / ゼーマン偏光 / プラズマ閉じ込め / 境界輸送障壁 / 診断用リチウムビーム / ゼーマン偏光分光 / 電子ビーム加熱型イオン源 / 電流分布測定 / ELMs
Research Abstract

核融合プラズマの計測装置として、高輝度低発散角リチウムビームを用いたゼーマン偏光分光システムを開発し、JT-60U装置のプラズマ周辺部における詳細な密度分布・電流分布を測定した。その結果、閉じ込め改善モード(Hモード)において、境界輸送障壁の間欠的崩壊時の動的挙動や境界輸送障壁内の局所的な電流ピークの存在を明らかにした。

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (48 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (28 results) (of which Peer Reviewed: 14 results) Presentation (16 results) Book (2 results) Remarks (2 results)

  • [Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009

    • Author(s)
      A. Kojima, N. Oyama, Y. Sakamoto, Y. Kamada, H. Urano, K. Kamiya, T. Fujita, H. Kubo and the JT-60 Team
    • Journal Title

      in Proc. 22nd IAEA Fusion Energy Conference 2008 (Geneva, 13-18 October 2008) (Vienna: IAEA)

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fast Dynamics of Type I and Grassy ELMs in JT-60U2009

    • Author(s)
      小島有志
    • Journal Title

      Proc. 22nd IAEA Fusion Energy Conference 2008

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008

    • Author(s)
      A. Kojima, K. Kamiya, H. Iguchi, T. Fujita, H. Kakiuchi and Y. Kamada
    • Journal Title

      Rev. Sci. Instrum. 79巻

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Progress and issues in understanding the physics of ELM dynamics, ELM mitigation and ELM control2008

    • Author(s)
      N. Oyama
    • Journal Title

      Journal of Physics: Conference Series 123巻

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Development of a high-brightness and low-divergence lithium neutral beam for a Zeeman polarimetry on JT-60U2008

    • Author(s)
      小島有志
    • Journal Title

      Review of Scientific Instruments 79

      Pages: 93502-93502

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of toroidal field ripple and toroidal rotation on H-mode performance and ELM characteristics in JET/JT-60U similarity experiments2008

    • Author(s)
      大山直幸
    • Journal Title

      Journal of Physics : Conference Series 123

      Pages: 12015-12015

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic fluctuation profile measurement using optics of motional Stark effect diagnostics in JT-60U2008

    • Author(s)
      鈴木隆博
    • Journal Title

      Review of Scientific Instruments 79

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Progress and issues in understanding the physics of ELM dynamics, ELM mitigation and ELM control2008

    • Author(s)
      大山直幸
    • Journal Title

      Journal of Physics : Conference Series 123

      Pages: 12002-12002

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Off-axis current drive and real-time control of current profile in JT-60U2008

    • Author(s)
      鈴木 隆博
    • Journal Title

      Nuclear Fusion 48

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007

    • Author(s)
      A. Kojima, K. Kamiya, H. Iguchi, T. Fujita and Y. Kamada
    • Journal Title

      Plasma Fusion Res. 2巻

    • NAID

      130002058993

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] ELM frequency dependence on toroidal rotation in the grassy ELM regime in JT-60U2007

    • Author(s)
      N. Oyama, Y. Kamada, A. Isayama, H. Urano, Y. Koide, Y. Sakamoto, M. Takechi, N. Asakura and the JT-60 Team
    • Journal Title

      Plasma Physics and Controlled Fusion 49巻

      Pages: 249-259

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Edge localized modes:recent experimental fmdings and related issues2007

    • Author(s)
      神谷 健作
    • Journal Title

      Plasma Phys.Control.Fusion 49

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2007

    • Author(s)
      小島 有志
    • Journal Title

      Plasma and Fusion Research 2

    • NAID

      130002058993

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Improved perfbmlance in long-pulse ELMy H-lnode plasmas with internal transport barrier in JT-60U2007

    • Author(s)
      大山 直幸
    • Journal Title

      Nuclear Fusion 47

      Pages: 689-697

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Roles of Toroidal Rotation at the Plasma Edge, Toroidal Field Ripple and Configuration on ELMs in the JT-60U Tokamak2007

    • Author(s)
      神谷 健作
    • Journal Title

      Plasma Fusion Res. 2

    • NAID

      130002058842

    • Related Report
      2006 Annual Research Report
  • [Journal Article] ELM frequency dependence on toroidal rotation in the grassy ELM regime in JT-60U2007

    • Author(s)
      大山 直幸
    • Journal Title

      Plasma Phys. Control. Fusion 49

      Pages: 249-259

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Characterization of Type-I ELMs in tangential co-, balanced- and counter- plus perpendicular NBI heated plasmas on JT-60U2006

    • Author(s)
      K. Kamiya, H. Urano, Y. Koide, T. Takizuka, N. Oyama, Y. Kamada and the JT-60 Team
    • Journal Title

      Plasma Phys. Control. Fusion 48巻

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Pedestal conditions for small ELM regimes in tokamaks2006

    • Author(s)
      N. Oyama, P. Gohil, L. D. Horton, A. E. Hubbard, J. W. Hughes, Y. Kamada, K. Kamiya, 他9名, and the ITPA Pedestal Topical Group
    • Journal Title

      Plasma Phys. Control. Fusion 48巻

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] JT-60におけるリチウムビームを用いたゼーマン偏光計測計画2006

    • Author(s)
      藤田 隆明
    • Journal Title

      プラズマ・核融合学会第23回年会予稿集

      Pages: 287-287

    • Related Report
      2006 Annual Research Report
  • [Journal Article] JT-60におけるゼーマン偏光計測のための高輝度リチウムイオン銃の開発2006

    • Author(s)
      小島 有志
    • Journal Title

      プラズマ・核融合学会第23回年会予稿集

      Pages: 287-287

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Numerical Simulation of a High-Brightness Lithium Ion Gun for a Zeeman Polarimetry on JT-60U2006

    • Author(s)
      小島 有志
    • Journal Title

      16th International Toki Conference予稿集

      Pages: 125-125

    • NAID

      130002058993

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Density fluctuation measurement using motional Stark effect optics in JT-60U2006

    • Author(s)
      鈴木 隆博
    • Journal Title

      Rev. Sci. Instrum. 77

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Steady state operation research in JT-60U with extended pulse length2006

    • Author(s)
      藤田隆明, 神谷健作, 大山直幸, 鎌田裕, 三浦幸俊, 他
    • Journal Title

      Nuclear Fusion 46

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Reduced divertor heat loads, plasma shape effects, and radial electric field structures in JFT-2M HRS H-mode plasmas2006

    • Author(s)
      神谷健作, 大山直幸, 三浦幸俊, 他
    • Journal Title

      Nuclear Fusion 46

      Pages: 272-272

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Characterization of Type-I ELMs in tangential co-,balanced-,and counter- plus perpendicular NBI heated plasmas on JT-60U2006

    • Author(s)
      神谷健作, 大山直幸, 鎌田裕, 他
    • Journal Title

      Plasma Physics Controlled Fusion 48(掲載予定)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Pedestal conditions for small of ELM regimes in tokamaks2006

    • Author(s)
      大山直幸, 鎌田裕, 神谷健作, 他
    • Journal Title

      Plasma Physics Controlled Fusion 48(掲載予定)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] JFT-2MのHRS Hモード及びJT-60のQHモードにおける周辺揺動2005

    • Author(s)
      神谷健作
    • Journal Title

      プラズマ・核融合学会第22回年会予稿集

      Pages: 21-21

    • Related Report
      2005 Annual Research Report
  • [Journal Article] JT-60UのHモード周辺プラズマに対するプラズマ回転とリップル損失の影響2005

    • Author(s)
      浦野創, 神谷健作
    • Journal Title

      プラズマ・核融合学会第22回年会予稿集

      Pages: 118-118

    • Related Report
      2005 Annual Research Report
  • [Presentation] JT-60Uにおけるリチウムビーム偏光分光による周辺電流分布計測2009

    • Author(s)
      藤田 隆明
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学(東京都)
    • Year and Date
      2009-03-30
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおけるリチウムビーム偏光分光による周辺電流分布計測2009

    • Author(s)
      藤田隆明
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      東京・立教大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008

    • Author(s)
      小島 有志
    • Organizer
      第25回プラズマ核融合学会年会
    • Place of Presentation
      宇都宮大学(宇都宮市)
    • Year and Date
      2008-12-02
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおけるリチウムビームプローブを用いた周辺密度分布の研究2008

    • Author(s)
      小島有志
    • Organizer
      第25回プラズマ核融合学会年会
    • Place of Presentation
      栃木県宇都宮市
    • Year and Date
      2008-12-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] Edge current density measurement using Li-beam on JT-60U2008

    • Author(s)
      K. Kamiya
    • Organizer
      50th Annual Meeting of the Division of Plasma Physics of APS
    • Place of Presentation
      Dallas, Texas
    • Year and Date
      2008-11-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Edge current density measurement using Li-beam on JT-60U2008

    • Author(s)
      神谷健作
    • Organizer
      50th Annual Meeting of the Division of Plasma Physics of APS
    • Place of Presentation
      米国テキサス州ダラス
    • Year and Date
      2008-11-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] JT-60Uにおけるリチウムビーム偏光計測装置の開発2008

    • Author(s)
      藤田 隆明
    • Organizer
      第7回核融合エネルギー連合講演会
    • Place of Presentation
      青森市
    • Year and Date
      2008-06-19
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおけるリチウムビーム偏光計測装置の開発2008

    • Author(s)
      藤田隆明
    • Organizer
      第7回核融合エネルギー連合講演会
    • Place of Presentation
      青森県青森市
    • Year and Date
      2008-06-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Fast dynamics of type I and grassy ELMs in JT-60U2008

    • Author(s)
      A. Kojima
    • Organizer
      22nd IAEA Fusion Energy Conference
    • Place of Presentation
      Geneva, Switzerland
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおける周辺電流分布計測を目的とした高輝度低発散リチウムイオン銃の開発2007

    • Author(s)
      青森市
    • Organizer
      第24回プラズマ核融合学会年会
    • Place of Presentation
      姫路市
    • Year and Date
      2007-11-29
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおける周辺電流分布計測を目的とした高輝度低発散リチウムイオン銃の開発2007

    • Author(s)
      小島 有志
    • Organizer
      プラズマ・核融合学会第24回年会
    • Place of Presentation
      兵庫県姫路市
    • Year and Date
      2007-11-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Progress and issues in physics understanding of dynamics,mitigation and controlof ELMs2007

    • Author(s)
      大山 直幸
    • Organizer
      11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
    • Place of Presentation
      茨城県つくば市
    • Year and Date
      2007-09-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] Effect of toroidal field ripple and toroidal rotation on H-mode performance and ELM characteristics in JET/JT-60U similarity experiments2007

    • Author(s)
      大山 直幸
    • Organizer
      11th IAEA Technical Meeting on H-mode Physics and Transport Barriers
    • Place of Presentation
      茨城県つくば市
    • Year and Date
      2007-09-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] JT-60Uにおけるリチウムビームを用いたゼーマン偏光計測計画2006

    • Author(s)
      藤田 隆明
    • Organizer
      第23回プラズマ核融合学会年会
    • Place of Presentation
      筑波大学(つくば市)
    • Year and Date
      2006-12-01
    • Related Report
      2008 Final Research Report
  • [Presentation] JT-60Uにおけるゼーマン偏光計測のための高輝度リチウムイオン銃の開発2006

    • Author(s)
      小島 有志
    • Organizer
      第23回プラズマ核融合学会年会
    • Place of Presentation
      筑波大学(つくば市)
    • Year and Date
      2006-12-01
    • Related Report
      2008 Final Research Report
  • [Presentation] Numerical Simulation of a High-Brightness Lithium Ion gun for a Zeeman Polarimetry on JT-60U2006

    • Author(s)
      A. Kojima
    • Organizer
      16th International Toki Conference
    • Place of Presentation
      Ceratopia Toki, Gifu, JAPAN
    • Related Report
      2008 Final Research Report
  • [Book] プラズマ診断の基礎と応用、第7章 : ビームプローブ法の高温プラズマへの応用2006

    • Author(s)
      プラズマ・核融合学会編(井口春和共著)
    • Publisher
      コロナ社
    • Related Report
      2008 Final Research Report
  • [Book] プラズマ診断の基礎と応用(第7章:ビームプローブ法の高温プラズマへの応用)2006

    • Author(s)
      プラズマ・核融合学会編(井口春和, 他共著)
    • Total Pages
      377
    • Publisher
      コロナ社
    • Related Report
      2005 Annual Research Report
  • [Remarks] ホームページ

    • URL

      http://www-jt60.naka.jaea.go.jp/index.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.jaea.go.jp/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2005-04-01   Modified: 2016-04-21  

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