Control of self-organization of helicity-driven spherical torus plasmas by externally applied rotating magnetic field

2010 Fiscal Year Final Research Report

• Project/Area Number: 20760579
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Nuclear fusion studies
• Research Institution: University of Hyogo
• Principal Investigator: KIKUCHI YUSUKE University of Hyogo, 大学院・工学研究科, 准教授 (00433326)
• Project Period (FY): 2008 – 2010
• Keywords: 球状トーラス / 回転磁場 / MHD緩和現象

Research Abstract

Application of an externally applied rotating magnetic field (RMF) for control of MHD relaxation phenomena driven by a coaxial helicity injection has been proposed in the HIST spherical torus device. As the results, it was clarified that the plasma responses to the RMF depend on not only the driving frequency of the RMF but also the toroidal plasma rotation. In addition, a digital feedback control system has been developed for control of MHD instabilities in the ST devices.

Research Products

• [Journal Article] Characteristics of magnetized coaxial plasma gun for simulation experiment of thermal transient events in ITER (2010)
  • Author(s): Y.Kikuchi, R.Nakanishi, M.Nakatsuka, K.Ando, N.Fukumoto, M.Nagata
  • Journal Title: IEEE Transactions on Plasma Science Vol.38 Pages: 232-236
  • Peer Reviewed
• [Journal Article] MHD relaxation and plasma flow driven by coaxial helicity injection in the HIST spherical torus device (2009)
  • Author(s): Y.Kikuchi, S.Hashimoto, T.Nishioka, K.Ando, N.Fukumoto, M.Nagata
  • Journal Title: J.Plasma Fusion Res.SERIES Vol.8 Pages: 1075-1078
  • Peer Reviewed
• [Journal Article] Application of an externally applied rotating magnetic field for control of MHD relaxation phenomena in the HIST spherical torus device (2009)
  • Author(s): Y.Kikuchi, T.Yoshikawa, S.Hashimoto, T.Nishioka, N.Fukumoto, M.Nagata
  • Journal Title: IEEJ Transactions on Fundamentals and Materials Vol.129 Pages: 616-617
  • Peer Reviewed
• [Presentation] Flux amplification and sustainment of ST plasmas by multi-pulsed coaxial helicity injection on HIST (2010)
  • Author(s): T.Higashi, M.Ishihara, Y.Kikuchi, N.Fukumoto, M.Nagata
  • Organizer: Program of the 52nd Annual Meeting of the Division of Plasma Physics, Bull.Am.Phys.Soc. Vol.55, No.15,GP9-127, p.144
  • Place of Presentation: Chicago, IL, USA
  • Year and Date: 20101108-20101112
• [Presentation] HIT-SI装置におけるスフェロマックプラズマのディジタルフィードバック制御 (2010)
  • Author(s): 菊池祐介
  • Organizer: 平成21年度日米科学技術協力事業核融合分野事業報告会資料,pp.129-133
  • Place of Presentation: 東京ガーデンパレス
  • Year and Date: 2010-03-04
• [Presentation] Implementation of digital feedback control system for switching power amplifiers on HIT-SI (2009)
  • Author(s): Y.Kikuchi, B.A.Nelson, A.S.Nelson, D.A.Ennis, J.S.Wrobel, T.R.Jarboe, M.Nagata
  • Organizer: Program of the 51st Annual Meeting of the Division of Plasma Physics, Bull.Am.Phys.Soc., Vol.54, No.15, UP8-24, p.317
  • Place of Presentation: Atlanta, Georgia, USA
  • Year and Date: 20091102-20091106
• [Presentation] Flow and dynamo measurements during the coaxial helicity injection on HIST (2009)
  • Author(s): K.Ando, T.Higashi, M.Nakatsuka, Y.Kikuchi, N.Fukumoto, M.Nagata
  • Organizer: Program of the 51st Annual Meeting of the Division of Plasma Physics, Bull.Am.Phys.Soc., Vol.54, No.15, UP8-15, p.315
  • Place of Presentation: Atlanta, Georgia, USA
  • Year and Date: 20091102-20091106
• [Presentation] 球状トーラス装置HISTにおけるダイナモプローブ計測 (2009)
  • Author(s): 東大樹, 安藤来吏, 中塚基晃, 菊池祐介, 福本直之, 永田正義
  • Organizer: 第26回プラズマ・核融合学会年会予稿集,4aE05P
  • Place of Presentation: 京都市国際交流会館
  • Year and Date: 20090000
• [Presentation] HIT-SIスフェロマック装置におけるディジタルフィードバック制御システムの開発 (2009)
  • Author(s): 菊池祐介, B.A.Nelson, A.S.Nelson, D.A.Ennis, J.S.Wrobel, T.R.Jarboe, 永田正義
  • Organizer: 第26回プラズマ・核融合学会年会予稿集,4aD16P
  • Place of Presentation: 京都市国際交流会館
  • Year and Date: 20090000
• [Presentation] MHD relaxation and plasma flow driven by coaxial helicity injection in the HIST spherical torus device (2008)
  • Author(s): Y.Kikuchi, S.Hashimoto, T.Nishioka, K.Ando, N.Fukumoto, M.Nagata
  • Organizer: 14th International Congress on Plasma Physics, P3.093.
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20080908-20080912
• [Presentation] ヘリシティ駆動球状トーラスプラズマのMHD緩和現象とその制御 (2008)
  • Author(s): 菊池祐介, 橋本尚太郎, 西岡勲, 安藤来吏, 福本直之, 永田正義
  • Organizer: 第25回プラズマ・核融合学会年会予稿集, 5aB20P
  • Place of Presentation: 栃木県総合文化センター(CD-ROM)
  • Year and Date: 20080000
• [Remarks] ホームページ等
  • URL: http://www.eng.u-hyogo.ac.jp/eecs/ykikuchi/kikuchi.html