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Stability of Externally Driven Magnetic Islands in a Helical Plasma
http://hdl.handle.net/10655/10154
http://hdl.handle.net/10655/10154f974dede-72c6-4e50-9605-54097b552cb8
名前 / ファイル | ライセンス | アクション |
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pfr2012_07-2403107.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2013-10-17 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Stability of Externally Driven Magnetic Islands in a Helical Plasma | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetic island | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | external magnetic perturbation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | resistive interchange mode | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Pfirsch-schl?ter current | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
NISHIMURA, Seiya
× NISHIMURA, Seiya× TODA, Shinichiro× YAGI, Masatoshi× NARUSHIMA, Yoshiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Influence of external resonant magnetic perturbation (RMP) on a helical plasma is numerically investigated, using a set of reduced magnetohydrodynamic equations. Coexistence of the resistive interchange mode and RMP is simulated. In nonlinear simulations, saturated magnetic islands by the RMP typically show two states: oscillating small islands and locked large islands. In the former state, rotation of magnetic islands by neoclassical transport-driven poloidal flows disturbs growth of islands. On the other hand, in the latter state, locking of poloidal flows due to the RMP and growth of islands occur simultaneously. It is found that the curvature driven current enhances magnetic reconnection, and width of the large islands overcomes that of vacuum islands. | |||||
書誌情報 |
en : Plasma and Fusion Research 巻 Vol.7, p. 2403107-1 -2403107-4, 発行日 2012-07-01 |
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出版者 | ||||||
出版者 | プラズマ・核融合学会 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.7.2403107 | |||||
権利 | ||||||
権利情報 | ? 2012 The Japan Society of Plasma Science and Nuclear Fusion Research |