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Dependence of EC-Driven Current on the EC-Wave Beam Direction in LHD
http://hdl.handle.net/10655/6434
http://hdl.handle.net/10655/64343c71c2cd-f598-487c-8ba1-7cfb075b6c8e
名前 / ファイル | ライセンス | アクション |
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pfr2011_06-2402073.pdf (502.2 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2012-01-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dependence of EC-Driven Current on the EC-Wave Beam Direction in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ECCD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electron cyclotron current drive | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma current | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | LHD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | TRAVIS | |||||
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 |
YOSHIMURA, Yasuo
× YOSHIMURA, Yasuo× KUBO, Shin× SHIMOZUMA, Takashi× IGAMI, Hiroe× TAKAHASHI, Hiromi× NISHIURA, Masaki× SAKAKIBARA, Satoru× TANAKA, Kenji× NARIHARA, Kazumichi× MUTOH, Takashi× YAMADA, Hiroshi× NAGASAKI, Kazunobu× MARUSHCHENKO, Nikolai B.× TURKIN, Yuri |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Electron cyclotron current drive (ECCD) experiments were conducted in the Large Helical Device to investigate the characteristics of EC-driven current and its profile and the possibility of controlling current and rotational transform profiles by ECCD. Successful ECCD helps prevent magnetohydrodynamic instabilities in plasmas. Scanning the EC-wave beam direction with a long pulse width of 8 s revealed a systematic change in the plasma current. The current's direction was reversed by a reversal of the beam direction. The direction agrees with the prediction of Fisch-Boozer theory regarding EC-wave beam injection from low-field side. The maximum driven current is 9 kA with an EC-wave power of 100 kW. The optimum beam direction that maximizes the driven current is investigated with the help of ray-tracing code. This direction depends on the magnetic field, efficiency of power absorption, and fraction of the power absorbed by trapped electrons. | |||||
書誌情報 |
en : Plasma and Fusion Research 巻 Vol.6, p. 2402073-1-5, 発行日 2011-07-01 |
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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.6.2402073 | |||||
権利 | ||||||
権利情報 | ? 2011 The Japan Society of Plasma Science and Nuclear Fusion Research |