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Global MHD Modes Excited by Energetic Ions in Heliotron/Torsatron Plasmas
http://hdl.handle.net/10655/2729
http://hdl.handle.net/10655/2729a43e0bff-2122-4abf-8227-3f0f5a07337e
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Global MHD Modes Excited by Energetic Ions in Heliotron/Torsatron Plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | IAEA | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fusion energy conference | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Yokohama | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
"Toi, K.
× "Toi, K.× Takechi, M.× Takagi, S.× Matsunaga, G.× Isobe, M.× Kondo, T.× Sasao, M.× Darrow, D.S.× Ohkuni, K.× Ohdachi, S.× Akiyama, R.× Gotoh, M.× Idei, H.× Ida, K.× Iguchi, H.× Kado, S.× Kojima, M.× Kubo, S.× Lee, S.× Matsuoka, K.× Minami, T.× Morita, S.× Nikai, N.× Nishimura, S.× Okamura, S.× Osakabe, M.× Shimizu, A.× Shirai, Y.× Takahashi, C.× Tanaka, K.× Watari, T.× Fujisawa, A.× Yoshimura, Y." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "In NBI heated plasmas of the CHS heliotron/torsatron where the beam driven current with a peaked profile is induced, m=2/n=1 and m=3/n=2(m,n : poloidal and toroidal mode numbers) fishbone instabilities are observed for the first time. Pulsed increase in energetic ion loss flux is detected by an escaping ion probe during the m=3/n=2 mode. The sawtooth crash is often induced by the m=2/n=1 mode. The current driven internal kink mode is thought to be destabilized by the presence of energetic ions, having a character of pressure driven interchange mode. Toroidal Alfven eigenmodes(TAEs) with n=1 and n=2 are also identified for the first time in NBI heated plasmas. TAEs localize near the plasma core region with fairly low magnetic shear realized by the small net plasma current, and do not lead to enhanced loss of energetic ions because of low fluctuation level." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1998-10-01 |
|||||
報告書番号 | ||||||
NIFS-574 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |