Transition to helical RFP states and associated confinement improvement in a spherical RFP

• Project/Area Number: 22360390
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Nuclear fusion studies
• Research Institution: Kyoto Institute of Technology
• Principal Investigator: MASAMUNE Sadao 京都工芸繊維大学, 工芸科学研究科, 教授 (00157182)
• Co-Investigator(Kenkyū-buntansha): HIMURA Haruhiko 京都工芸繊維大学, 工芸科学研究科, 准教授 (30311632) ; SANPEI Akio 京都工芸繊維大学, 工芸科学研究科, 助教 (90379066)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000); Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2011: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000); Fiscal Year 2010: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
• Keywords: プラズマ・核融合 / 自己組織化 / エネルギー全般 / 磁場閉じ込め / トロイダルプラズマ / ＲＦＰ / ヘリカルＲＦＰ / ＭＨＤ緩和

Research Abstract

It has been confirmed from experimental results in RELAX that the quasi-single helicity (QSH) state can be achieved easily in low-aspect-ratio machine. Magnetic measurements and soft-X ray imaging diagnostics have revealed dense or high-temperature helical core with steep gradient in the SXR emissivity profile at the helical boundary which may suggest the electron thermal transport barrier in the QSH state. Feedback stabilization of the m/n=1/2 kink mode (RWM) has resulted in improved discharge duration by ~50% (from 2 ms to 3 ms). The Thomson scattering measurement has revealed that the central electron temperature reaches 200eV at Ip~120kA, corresponding to the electron beta of ~10%. The electron parameters have reached the designed values in the low-A RFP machine RELAX.

Research Products

• [Journal Article] Asymmetric toroidal flux generation due to phase locking of internally resonant tearing modes in the RELAX reversed-field pinch (2013)
  • Author(s): R. Ikezoe, S. Masamune, K. Oki, A. Sanpei, H. Himura, T. Onchi, A. Hirose
  • Journal Title: Plasma Phys. Control. Fusion Volume: 15005 Issue: 1 Pages: 55-55
  • DOI: 10.1088/0741-3335/55/1/015005
  • Peer Reviewed
• [Journal Article] Phase Locking and Unlocking Associated with Transition to Quasi-Single Helicity State in RELAX Reversed Field Pinch (2012)
  • Author(s): R. Ikezoe, S. Masamune, K. Oki, A. Sanpei, H. Himura, T. Onchi, A. Hirose
  • Journal Title: J. Phys. Soc. Jpn Volume: No.11 Issue: 11 Pages: 81-81
  • DOI: 10.1143/jpsj.81.115001
  • NAID: 210000109809
  • Peer Reviewed
• [Journal Article] Modeling of Formation of Helical Structures in Reversed-Field Pinch (2012)
  • Author(s): N. Mizuguchi, A. Sanpei, S. Fujita, K. Oki, H. Himura, S. Masamune, and K. Ichiguchi
  • Journal Title: Plasma and Fusion Research Volume: 7 Issue: 0 Pages: 2403117-2403117
  • DOI: 10.1585/pfr.7.2403117
  • NAID: 130004467832
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Design and Initial Result of Time-Resolved Vertical Soft X-Ray Imaging System in Low-<i>A </i>RFP (2012)
  • Author(s): A. Sanpei, K. Oki, D. Fukahori, K. Deguchi, S. Nakaki, K. Nishimura, H. Himura, S. Masamune, S. Ohdachi, N. Nishino, T. Onchi
  • Journal Title: Plasma and Fusion Research Volume: 7 Issue: 0 Pages: 2402052-2402052
  • DOI: 10.1585/pfr.7.2402052
  • NAID: 130003366263
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Characterization of Quasi-Single-Helicity States in a Low-Aspect-Ratio RFP (2012)
  • Author(s): K. Oki, D. Fukahori, K. Deguchi, S. Nakaki, A. Sanpei, H. Himura, S. Masamune, R. Paccagnella
  • Journal Title: Plasma and Fusion Research Volume: 7 Issue: 0 Pages: 1402028-1402028
  • DOI: 10.1585/pfr.7.1402028
  • NAID: 130003366233
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Tangential Image of Helical SXR Emissivity Structure in Low-Aspect-Ratio RFP (2011)
  • Author(s): Akio Sanpei, Kensuke Oki, Mitsuru Nakamura, Akio Higashi, Hidehiko Motoi, Daisuke Fukahori, Haruhiko Himura, Sadao Masamune, Satoshi Ohdachi, Nobuhiro Nishino, Takumi Onchi, Ryuya Ikezoe
  • Journal Title: IEEE TRANSACTIONS ON PLASMA SCIENCE Volume: Vol.39 Issue: 11 Pages: 2410-2411
  • DOI: 10.1109/tps.2011.2160369
  • Peer Reviewed
• [Journal Article] Observation of Helical Structure by Imaging Diagnostics in a Low-Aspect-Ratio Reversed Field Pinch (2011)
  • Author(s): Takumi ONCHI, Ryuya IKEZOE, Kensuke OKI, Akio SANPEI, Haruhiko HIMURA, Sadao MASAMUNE, Nobuhiro NISHINO, Haruhisa KOGUCHI
  • Journal Title: Journal of the Physical Society of Japan Volume: Vol.80 Issue: 11 Pages: 80-80
  • DOI: 10.1143/jpsj.80.114501
  • Peer Reviewed
• [Journal Article] Initial Result of Successive SXR Imaging Measurement in Low-A RFP (2011)
  • Author(s): Akio SANPEI, Kensuke OKI, Mitsuru NAKAMURA, Akio HIGASHI, Hidehiko MOTOI, Daisuke FUKAHORI, Haruhiko HIMURA, Sadao MASAMUNE, Satoshi OHDACHI, Nobuhiro NISHINO, Takumi ONCHI, Ryuya IKEZOE
  • Journal Title: Plasma and Fusion Research Volume: 6 Pages: 2406096-2406096
  • DOI: 10.1585/pfr.6.2406096
  • NAID: 130002059603
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Effect of pressure-driven MHD instabilities on confinement in reactor-relevant high-beta helical plasmas (2011)
  • Author(s): K.Y. Watanabe, S. Masamune, Y. Takemura, H. Funaba, S. Sakakibara, F. Watanabe, K. Tanaka, S. Ohdachi, K. Toi, Y. Narushima, and LHD Experiment Group
  • Journal Title: Phys. Plasmas Volume: 056119 Issue: 5 Pages: 18-18
  • DOI: 10.1063/1.3592675
  • Peer Reviewed
• [Journal Article] Extended operational regimes and MHD behavior in a low-aspect-ratio reversed field pinch in RELAX (2011)
  • Author(s): R. Ikezoe, K. Oki, T. Onchi, Y. Konishi, M. Sugihara, S. Fujita, A. Sanpei, H. Himura, S. Masamune
  • Journal Title: Plasma Phys. Control. Fusion Volume: 025003 Issue: 2 Pages: 53-53
  • DOI: 10.1088/0741-3335/53/2/025003
  • Peer Reviewed
• [Journal Article] Extended operational regimes and MHD behavior in a low-aspect-ratio reversed field pinch in RELAX (2011)
  • Author(s): R.Ikezoe, K.Oki, T.Onchi, A.Sanpei, S.Masamune, et al.
  • Journal Title: Plasma Phys.Control.Fusion Volume: 53
  • Peer Reviewed
• [Journal Article] Recent Progress in Low-A RFP Plasma Research in RELAX (2010)
  • Author(s): A.Sanpei, R. Ikezoe, T. Onchi, K. Oki, M. Sugihara, Y. Konishi, S. Fujita, M. Nakamura, A. Higashi, H. Motoi, H. Himura, S. Masamune
  • Journal Title: Plasma and Fusion Research Volume: 5 Pages: S2063-S2063
  • DOI: 10.1585/pfr.5.S2063
  • NAID: 130000669053
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Density Regimes of Low-Aspect-Ratio RFP Plasmas in RELAX (2010)
  • Author(s): M. Sugihara, K. Oki, R. Ikezoe, T. Onchi, A. Sanpei, H. Himura, S. Masamune, T. Akiyama, A. Ejiri, K. Sakamoto, K. Nagasaki, V. Zhuravlev
  • Journal Title: Plasma and Fusion Research Volume: 5 Pages: S2061-S2061
  • DOI: 10.1585/pfr.5.S2061
  • NAID: 130000669051
  • ISSN: 1880-6821
  • Peer Reviewed
• [Journal Article] Tangential soft-x ray imaging for three-dimensional structural studies in a reversed field pinch (2010)
  • Author(s): T. Onchi, R. Ikezoe, K. Oki, A. Sanpei, H. Himura, S. Masamune
  • Journal Title: Rev. Sci. Instrum Volume: 073502 Issue: 7 Pages: 81-81
  • DOI: 10.1063/1.3455216
  • Peer Reviewed
• [Journal Article] Tangential soft-x ray imaging for three-dimensional structural studies in a reversed field pinch (2010)
  • Author(s): T.Onchi, R.Ikezoe, K.Oki, S.Masamune, et al.
  • Journal Title: Rev.Sci.Instrum. Volume: 81
  • Peer Reviewed
• [Journal Article] Density Regimes of Low-Aspect-Ratio RFP Plasmas in RELAX (2010)
  • Author(s): M.Sugihara, K.Oki, R.Ikezoe, T.Onchi, S.Masamune, et al.
  • Journal Title: Plasma Fusion Res. Volume: 5
  • NAID: 130000669051
  • Peer Reviewed
• [Journal Article] Recent Progress in Low-A RFP Plasma Research in RELAX (2010)
  • Author(s): A.Sanpei, R.Ikezoe, T.Onchi, K.Oki, S.Masamune, et al.
  • Journal Title: Plasma Fusion Res. Volume: 5
  • NAID: 130000669053
  • Peer Reviewed
• [Presentation] RFPの内部構造変化におけるMHD不安定性の役割 (2013)
  • Author(s): 三瓶明希夫,政宗貞男,RELAX Group
  • Organizer: 日本物理学会第68回年次大会
  • Place of Presentation: 広島大学
• [Presentation] RFPの内部構造変化におけるMHD不安定性の役割 (2013)
  • Author(s): 三瓶明希夫
  • Organizer: 日本物理学会第68回年次大会
  • Place of Presentation: 東広島市
• [Presentation] RELAXにおける低アスペクト比RFPのMHD不安定性のフィードバック制御 (2012)
  • Author(s): 中木聖也,政宗貞男他
  • Organizer: 第29回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] RELAXプラズマの高性能化シナリオ (2012)
  • Author(s): 政宗貞男他
  • Organizer: 第29回プラズマ・核融合学会年会
  • Place of Presentation: 福岡県春日
• [Presentation] 軟X線イメージングを用いた低アスペクト比RFPにおける三次元構造の計測と評価 (2012)
  • Author(s): 三瓶明希夫他他
  • Organizer: 第29回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] RELAXにおける軟X線イメージング計測による2次元電子温度分布測定 (2012)
  • Author(s): 西村香苗, 政宗貞男他
  • Organizer: 第29回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] RELAXプラズマのパラメータ領域 (2012)
  • Author(s): 田中裕之, 政宗貞男他
  • Organizer: 第29回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] Evaluation of 3-D Structure in low-aspect-ratio RFP RELAX (2012)
  • Author(s): A. Sanpei, S. Masamune et al.
  • Organizer: ITC22 P4-43
  • Place of Presentation: Toki, Japan
• [Presentation] Mode control with external fields in the low-aspect-ratio RFP(invited) (2012)
  • Author(s): A. Sanpei et al.
  • Organizer: 17th Workshop on MHD stability control
  • Place of Presentation: New York
• [Presentation] Evaluation of 3-D structure in RELAX RFP with SXR imaging technique (2012)
  • Author(s): A. Sanpei et al.
  • Organizer: 54th Annual Meeting of the APS-DPP
  • Place of Presentation: Providence, USA
• [Presentation] Progress in low-aspect-ratio RFP research in RELAX (2012)
  • Author(s): S. Masamune, et al.
  • Organizer: 54th Annual Meeting of the APS-DPP
  • Place of Presentation: Providence, USA
• [Presentation] Direct Observation of soft-X ray filament structure and high current operation in low-aspect-ratio RFP (2012)
  • Author(s): S. Masamune et al.
  • Organizer: 24th IAEA Fusion Energy Conf
  • Place of Presentation: San Diego, USA
• [Presentation] 軟X線イメージングによる低アスペクト比RFPの三次元構造の評価 (2012)
  • Author(s): 三瓶明希夫他
  • Organizer: 日本物理学会2012年秋季大会
  • Place of Presentation: 横浜国立大学
• [Presentation] 低アスペクト比RFP研究の最近の進展 (2012)
  • Author(s): 政宗貞男他
  • Organizer: 第9回核融合エネルギー連合講演会
  • Place of Presentation: 神戸国際会議場,神戸市
• [Presentation] 非中性プラズマと熱核融合プラズマにおける自己組織化 (2012)
  • Author(s): 三瓶明希夫他
  • Organizer: 第61回理論応用力学講演会
  • Place of Presentation: 東京大学生産技術研究所
• [Presentation] Characteristics of MHD mode dynamics in low-A RFP machine RELAX (2012)
  • Author(s): A.Sanpei, S.Masamune, J.K. Anderson et al.
  • Organizer: 2012 US-Japan MHD Workshop, ITPA-MHD TG and EP Topical group joint meeting
  • Place of Presentation: NIFS, Japan
• [Presentation] RELAXにおける低アスペクト比RFPのMHD不安定性のフィードバック制御 (2012)
  • Author(s): 中木聖也
  • Organizer: 第２９回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] RELAXプラズマの高性能化シナリオ (2012)
  • Author(s): 政宗貞男
  • Organizer: 第２９回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] 軟X線イメージングを用いた低アスペクト比RFPにおける三次元構造の計測と評価 (2012)
  • Author(s): 三瓶明希夫
  • Organizer: 第２９回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] RELAXにおける軟X線イメージング計測による2次元電子温度分布測定 (2012)
  • Author(s): 西村香苗
  • Organizer: 第２９回プラズマ・核融合学会年会
  • Place of Presentation: 春日市
• [Presentation] Evaluation of 3-D structure in low-aspect-ratio RFP (2012)
  • Author(s): 三瓶明希夫
  • Organizer: 22nd International Toki Conference
  • Place of Presentation: 土岐市
• [Presentation] Progress in low-aspect-ratio RFP research in RELAX (2012)
  • Author(s): 政宗貞男
  • Organizer: 54th Annual Meeting of the APS-DPP
  • Place of Presentation: Providence, RI, USA
• [Presentation] Mode control with external fields in the low- aspect-ratio RFP (2012)
  • Author(s): 三瓶明希夫
  • Organizer: 17ｔｈ Workshop on MHD Stability Control
  • Place of Presentation: Columbia Univ., NY, USA
  • Invited
• [Presentation] Evaluation of 3D structure in RELAX RFP with SXR imaging technique (2012)
  • Author(s): 三瓶明希夫
  • Organizer: 54th Annual Meeting of the APS-DPP
  • Place of Presentation: Providence, RI, USA
• [Presentation] Direct observation of soft-X ray filament structure and high current operation in low-aspect-ratio RFP (2012)
  • Author(s): 政宗貞男
  • Organizer: 24th IAEA Fusion Energy Conference
  • Place of Presentation: San Diego, CA, USA
• [Presentation] 軟X線イメージングによる低アスペクト比RFPの三次元構造の評価 (2012)
  • Author(s): 三瓶明希夫
  • Organizer: 日本物理学会2012年秋季大会
  • Place of Presentation: 横浜市
• [Presentation] 低アスペクト比RFP研究の最近の進展 (2012)
  • Author(s): 政宗貞男
  • Organizer: 第9回核融合エネルギー連合講演会
  • Place of Presentation: 神戸市
• [Presentation] Characteristics of MHD mode dynamics in low-A RFP machine RELAX (2012)
  • Author(s): A.Sanpei
  • Organizer: 2012 US-Japan MHD Workshop
  • Place of Presentation: 土岐市(核融合科学研究所)
• [Presentation] 球状RFPプラズマにおける画像計測 (2011)
  • Author(s): 三瓶明希夫
  • Organizer: 電気学会プラズマ研究会
  • Place of Presentation: 大阪(大阪工業大学)
  • Year and Date: 2011-08-07
• [Presentation] Control of MHD instabilities with RMP in RFP experiments (2011)
  • Author(s): 政宗貞男
  • Organizer: 「高ベータプラズマにおけるMHD平衡,安定性及び輸送特性に関する研究」研究会
  • Place of Presentation: 核融合科学研究所,岐阜県土岐市(招待講演)
  • Year and Date: 2011-01-25
• [Presentation] 低アスペクト比RFP装置RELAXにおける鞍型コイルを用いたMHD制御実験 (2011)
  • Author(s): 中木聖也,政宗貞男,RELAX group
  • Organizer: 核融合科学研究所共同研究会「高ベータプラズマにおける自発的フローと三次元構造の形成」
  • Place of Presentation: 核融合科学研究所
• [Presentation] Tangential and vertical Soft-X ray imaging for three-dimensional structural studies in the RFP (2011)
  • Author(s): A. Sanpei, S. Masamune, RELAX group
  • Organizer: ITC21
  • Place of Presentation: Toki, Japan
• [Presentation] RELAXにおける軟X線放射強度分布の時間発展 (2011)
  • Author(s): 深堀大佑,政宗貞男,RELAX group
  • Organizer: PLASMACONFERENCE2011
  • Place of Presentation: 金沢市
• [Presentation] 低アスペクト比RFP装置RELAXの改造と最適化 (2011)
  • Author(s): 大木健輔,政宗貞男他
  • Organizer: PLASMA CONFERENCE2011
  • Place of Presentation: 金沢市
• [Presentation] RELAXにおける低アスペクト比RFP研究の現状と展開 (2011)
  • Author(s): 政宗貞男他
  • Organizer: PLASMA CONFERENCE2011
  • Place of Presentation: 金沢市
• [Presentation] 低アスペクト比RFPにおける3次元構造研究のための二方向軟X線イメージングシステムの開発 (2011)
  • Author(s): 三瓶明希夫他
  • Organizer: PLASMA CONFERENCE2011
  • Place of Presentation: 金沢市
• [Presentation] 3-D soft-X ray imaging diagnostics for the study of MHD mode dynamics in RELAX (2011)
  • Author(s): A. Sanpei, RELAX group
  • Organizer: 53rd Annual Meeting of the APS-DPP, BP9.00068
  • Place of Presentation: Salt Lake City, USA
• [Presentation] Progress in low-aspect-ratio RFP studies in RELAX (2011)
  • Author(s): S. Masamune
  • Organizer: 53rd Annual Meeting of the APS-DPP
  • Place of Presentation: Salt Lake City, USA
• [Presentation] Progress in characterization of low-A RFP plasmas (2011)
  • Author(s): K. Oki, A. Sanpei, S. Masamune, and RELAX group
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison, USA
• [Presentation] Time-resolved soft-X ray imaging diagnostics for the study of MHD mode (2011)
  • Author(s): A. Sanpei
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison, USA
• [Presentation] Scenarios for high-current operation in RELAX (2011)
  • Author(s): S. Masamune
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison, USA
• [Presentation] Roles of self-organized plasmas in fusion energy science (2011)
  • Author(s): S. Masamune
  • Organizer: 2nd Int. Symposium of Advanced Energy Science
  • Place of Presentation: Kyoto Univ., Uji, Japan
• [Presentation] Experimental Study of Formation of Vortex Crystal Configuration in Pure Electron Plasma (2011)
  • Author(s): A. Sanpei
  • Organizer: RIMS Camp-style Seminar
  • Place of Presentation: Kyoto, Japan
• [Presentation] Low-aspect-ratio RFP plasma properties in two characteristic regimes in RELAX (invited) (2011)
  • Author(s): S. Masamune
  • Organizer: Workshop on Innovation in Fusion Science
  • Place of Presentation: Seattle, USA
• [Presentation] 球状RFPプラズマにおける画像計測 (2011)
  • Author(s): 三瓶明希夫,政宗貞男他
  • Organizer: 電気学会プラズマ研究会
  • Place of Presentation: 大阪工業大学
• [Presentation] Control of MHD instabilities with RMP in RFP experiments (2011)
  • Author(s): 政宗貞男
  • Organizer: 核融合科学研究所共同研究会「高ベータプラズマにおけるMHD平衡、安定性及び輸送特性に関する研究」
  • Place of Presentation: 核融合科学研究所
• [Presentation] Low-aspectt-ratio RFP plasma properties in two characteristic regimes in RELAX (2011)
  • Author(s): S.Masamune
  • Organizer: Workshop on Innovation in Fusion Science (ICC 2011)and US-Japan Workshop on Compact Torus Plasma
  • Place of Presentation: Seattle (Red Lion Hotel), USA(招待講演)
• [Presentation] Experimental Study of Formation of Vortex Crystal Configuration in Pure Electron Plasma (2011)
  • Author(s): 三瓶明希夫
  • Organizer: RIMS Seminar-Modern approach and developments to Onsager's theory on statistical vortices
  • Place of Presentation: 京都(京都大学数理解析研究所)
• [Presentation] Roles of self-organized plasmas in fusion energy science (2011)
  • Author(s): 政宗貞男
  • Organizer: 2nd Int.Symposium of Advanced Energy Science, Kyoto Univ.
  • Place of Presentation: 宇治市(京都大学エネルギー理工学研究所)
• [Presentation] Scenarios for high-current operation in RELAX (2011)
  • Author(s): S.Masamune
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison (Univ.Wisconsin), USA
• [Presentation] Time-resolved soft-X ray imaging diagnostic for the study of MHD mode (2011)
  • Author(s): A.Sanpei
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison (Univ.Wisconsin), USA
• [Presentation] Progress in characterization of low-A RFP plasmas (2011)
  • Author(s): K.Oki
  • Organizer: 15th IEA/RFP Workshop
  • Place of Presentation: Madison (Univ.Wisconsin), USA
• [Presentation] Progress in low-aspect-ratio RFP studies in RELAX (2011)
  • Author(s): S.Masamune
  • Organizer: 53rd Annual Meeting of the APS-DPP
  • Place of Presentation: Salt Lake City (Salt Palace), USA
• [Presentation] 3-D soft-X ray imaging diagnostics for the study of MHD mode dynamics in RELAX (2011)
  • Author(s): A.Sanpei
  • Organizer: 53rd Annual Meeting of the APS-DPP
  • Place of Presentation: Salt Lake City (Salt Palace), USA
• [Presentation] RELAXにおける低アスペクト比RFP研究の現状と展開 (2011)
  • Author(s): 政宗貞男
  • Organizer: PLASMACONFERENCE2011/第28回プラズマ・核融合学会年会
  • Place of Presentation: 金沢(石川県立音楽堂)
• [Presentation] 低アスペクト比RFP装置RELAXの改造と最適化 (2011)
  • Author(s): 大木健輔
  • Organizer: PLASMACONFERENCE2011/第28回プラズマ・核融合学会年会
  • Place of Presentation: 金沢(石川県立音楽堂)
• [Presentation] RELAXにおける軟X線放射強度分布の時間発展 (2011)
  • Author(s): 深堀大祐
  • Organizer: PLASMACONFERENCE2011/第28回プラズマ・核融合学会年会
  • Place of Presentation: 金沢(石川県立音楽堂)
• [Presentation] Tangential and vertical Soft-X ray imaging for three-dimensional structural studies in the RFP (2011)
  • Author(s): A.Sanpei
  • Organizer: 21st Int.Toki Conference
  • Place of Presentation: 土岐市(セラトピア土岐)
• [Presentation] 低アスペクト比RFP装置RELAXにおけるMHD研究のための軟X線イメージングシステムの開発 (2011)
  • Author(s): 三瓶明希夫
  • Organizer: 核融合科学研究所共同研究会「高ベーダプラズマにおける自発的フローと三次元構造の形成」
  • Place of Presentation: 土岐市(核融合科学研究所)
• [Presentation] RELAXにおける低アスペクト比RFP研究 (2011)
  • Author(s): 政宗貞男
  • Organizer: 核融合科学研究所共同研究会「高ベーダプラズマにおける自発的フローと三次元構造の形成」
  • Place of Presentation: 土岐市(核融合科学研究所)
• [Presentation] 低アスペクト比RFP装置RELAXにおける鞍型コイルを用いたMHD制御実験 (2011)
  • Author(s): 中木聖也
  • Organizer: 核融合科学研究所共同研究会「高ベーダプラズマにおける自発的フローと三次元構造の形成」
  • Place of Presentation: 土岐市(核融合科学研究所)
• [Presentation] RFPにおける準単一ヘリカル構造 (2010)
  • Author(s): 政宗貞男
  • Organizer: 「MHD理論研究の進展と課題」研究会
  • Place of Presentation: 核融合科学研究所,岐阜県土岐市(招待講演)
  • Year and Date: 2010-12-21
• [Presentation] RFPにおける3次元自己組織化とヘリカル系におけるMHDとの関係 (2010)
  • Author(s): 政宗貞男
  • Organizer: 「高ベータ自己組織化プラズマの閉じ込めと輸送現象」研究会
  • Place of Presentation: 核融合科学研究所,岐阜県土岐市
  • Year and Date: 2010-12-16
• [Presentation] 3-D self-organization in RFPs with connections to stellarator MHD (2010)
  • Author(s): S.Masamune
  • Organizer: 15th Workshop on MHD Stability Control & Joint US-Japan Workshop : "3-D Magnetic Field Effects in Control"
  • Place of Presentation: University of Wisconsin, Madison, Wisconsin, USA(招待講演)
  • Year and Date: 2010-11-15
• [Presentation] Optimization of low-aspect-ratio RFP configuration in RELAX (2010)
  • Author(s): S.Masamune
  • Organizer: 52nd Annual Meeting of Divisoion of Plasma Physics, APS
  • Place of Presentation: Chicago, Illinois, USA
  • Year and Date: 2010-11-09
• [Presentation] Overview of RELAX (2010)
  • Author(s): S.Masamune
  • Organizer: 2010 USTC International RFP Workshop
  • Place of Presentation: Univ.of Science and Technology of China, Hefei, China
  • Year and Date: 2010-10-18
• [Presentation] Mode structure of global MHD instabilities and its effect on plasma confinement in LHD (2010)
  • Author(s): S.Masamune, K.Y.Watanabe, S.Sakakibara, Y.Takemura, et al.
  • Organizer: 23rd IAEA Fusion Energy Conference
  • Place of Presentation: Daejeon Convention Center, Daejeon, Rep.of Korea
  • Year and Date: 2010-10-14
• [Presentation] Characteristics of extremely deep reversal and Quasi-Single-Helicity (QSH) states in a low-aspect-ratio RFP (2010)
  • Author(s): A.Sanpei, S.Masamune, K.Oki, M.Nakamura, R.Ikezoe, et al.
  • Organizer: 23rd IAEA Fusion Energy Conference
  • Place of Presentation: Daejeon Convention Center, Daejeon, Rep.of Korea
  • Year and Date: 2010-10-14
• [Presentation] RELAXにおける低アスペクト比RFP平衡配位とMHD不安定性 (2010)
  • Author(s): 政宗貞男, 三瓶明希夫, 大木健輔, 他
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2010-09-26
• [Presentation] RFPプラズマで観測された準ヘリカル磁場構造 (2010)
  • Author(s): 政宗貞男
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪府立大学(シンポジウム招待講演)
  • Year and Date: 2010-09-25
• [Presentation] RELAXにおける低アスペクト比RFP配位の研究 (2010)
  • Author(s): 政宗貞男, 三瓶明希夫, 大木健輔, 他
  • Organizer: 第8回核融合エネルギー連合講演会
  • Place of Presentation: 高山市民会館,岐阜県高山市
  • Year and Date: 2010-06-10
• [Presentation] Contribution of KIT to LHD-Topics from collaboration research on MHD phenomena in LHD (2010)
  • Author(s): S.Masamune
  • Organizer: 14th International RFP Workshop
  • Place of Presentation: Consorzio RFX, Padova, Italy
  • Year and Date: 2010-04-29
• [Presentation] Equilibrium and Stability of RELAX (2010)
  • Author(s): S.Masamune
  • Organizer: 14th International RFP Workshop
  • Place of Presentation: Consorzio RFX, Padova, Italy
  • Year and Date: 2010-04-26
• [Presentation] RFPにおける準単一ヘリカル構造 (2010)
  • Author(s): 政宗貞男
  • Organizer: 核融合科学研究所共同研究研究会「MHD理論研究の進展と課題」
  • Place of Presentation: 核融合科学研究所
• [Presentation] RFPにおける3次元自己組織化とヘリカル系におけるMHDとの関係 (2010)
  • Author(s): 政宗貞男
  • Organizer: 核融合科学研究所共同研究会「高ベータ自己組織化プラズマの閉じ込めと輸送現象」
  • Place of Presentation: 核融合科学研究所
• [Presentation] Development of SXR imaging system for 3-D structural studies in toroidal plasmas (2010)
  • Author(s): A. Sanpei, RELAX Group
  • Organizer: ITC20
  • Place of Presentation: Toki, Japan
• [Presentation] 軟X線イメージングと高速カメラによる低アスペクト比RFPの3次元構造計測 (2010)
  • Author(s): 三瓶明希夫,RELAX Group
  • Organizer: 第27回プラ・核学会年会
  • Place of Presentation: 北大
• [Presentation] 低アスペクト比RFPにおけるトムソン散乱による電子温度測定 (2010)
  • Author(s): 元井秀彦,政宗貞男,RELAX Group
  • Organizer: 第27回プラ・核学会年会
  • Place of Presentation: 北海道大学
• [Presentation] サドルコイルアレイによる低アスペクト比RFPプラズマの能動的MHD制御 (2010)
  • Author(s): 中村満,政宗貞男他
  • Organizer: 第27回プラ・核学会年会
  • Place of Presentation: 北海道大学
• [Presentation] 低アスペクト比RFP周辺部の電子密度・電子温度分布測定によるブートストラップ電流の評価 (2010)
  • Author(s): 東明男,三瓶明希夫,比村治彦,政宗貞男他
  • Organizer: 第27回プラ核学会
  • Place of Presentation: 北海道大学
• [Presentation] 低アスペクト比RFPプラズマの軟X線放射強度分布の放電領域 (2010)
  • Author(s): 深堀大佑,三瓶明希夫,比村治彦,政宗貞男他
  • Organizer: 第27回プラ・核学会
  • Place of Presentation: 北海道大学
• [Presentation] 低アスペクト比RFPプラズマの放電特性と最適化 (2010)
  • Author(s): 大木健輔,三瓶明希夫,比村治彦,政宗貞男他
  • Organizer: 第27回プラ・核学会
  • Place of Presentation: 20101130-1203
• [Presentation] Initial results from 3-D MHD simulation studies for low-A RFP (2010)
  • Author(s): A. Sanpei, S. Masamune, S. N. Mizuguch et al.
  • Organizer: 15th Workshop on MHD Stability Control & Joint US-Japan MHD Workshop
  • Place of Presentation: Madison WI, USA
• [Presentation] 3-D self-organization in RFPs with connections to stellarator MHD (invited) (2010)
  • Author(s): S. Masamune
  • Organizer: 15th Workshop on MHD Stability Control & Joint US-Japan MHD Workshop
  • Place of Presentation: Madison WI, USA
• [Presentation] Optimization of low-aspect-ratio RFP configuration in RELAX (2010)
  • Author(s): S. Masamune
  • Organizer: 52nd Annual Meeting of the APS-DPP
  • Place of Presentation: Chicago, USA
• [Presentation] Overview of RELAX (2010)
  • Author(s): S. Masamune
  • Organizer: 2010 USTC International Workshop of RFP
  • Place of Presentation: Hefei, China
• [Presentation] Characteristics of extremely deep reversal and Quasi-Single- Helicity (QSH) states in a low-aspect-ratio RFP (2010)
  • Author(s): A. Sanpei, S. Masamune
  • Organizer: 23rd IAEA Fusion Energy Conference
  • Place of Presentation: Daejon, Republic of Korea
• [Presentation] Mode structure of global MHD instabilities and its effect on plasma confinement in LHD (2010)
  • Author(s): S. Masamune
  • Organizer: 23rd IAEA Fusion Energy Conference
  • Place of Presentation: Daejon, Republic of Korea
• [Presentation] RELAXにおける低アスペクト比RFP平衡配位とMHD不安定性 (2010)
  • Author(s): 政宗貞男,三瓶明希夫,比村治彦他
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪府立大
• [Presentation] RFPプラズマで観測された準ヘリカル磁場構造(シンポジウム講演) (2010)
  • Author(s): 政宗貞男
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 大阪府立大
• [Presentation] Experimental research on low-aspect-ratio RFP (2010)
  • Author(s): K. Oki, A. Sanpei, H. Himura, S. Masamune et al.
  • Organizer: The 5th Japan-Korea Seminar on Advanced Diagnostics for Steady-State Fusion Plasma
  • Place of Presentation: Oita, Japan
• [Presentation] RELAX における低アスペクト比RFP 配位の研究 (2010)
  • Author(s): 政宗貞男他
  • Organizer: 第8回核融合エネルギー連合講演会
  • Place of Presentation: 高山市民文化会館,岐阜県高山市
• [Presentation] Contribution of KIT to LHD -Topics from collaboration research on MHD phenomena in LHD- (2010)
  • Author(s): S. Masamune
  • Organizer: 14th IEA/RFP Workshop
  • Place of Presentation: Consorzio RFX, Padova, ITALY
• [Presentation] Helically deformed plasma in RELAX -experiments and 3-D MHD simulation- (2010)
  • Author(s): A. Sanpei
  • Organizer: 14th IEA/RFP Workshop
  • Place of Presentation: Consorzio RFX, Padova, ITALY
• [Presentation] Equilibrium and Stability of RELAX (2010)
  • Author(s): S. Masamune
  • Organizer: 14th IEA/RFP Workshop
  • Place of Presentation: Consorzio RFX, Padova, ITALY
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