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To evaluate the bootstrap current in stellarator/heliotron in the whole range of collisionality from the collisionless l/mu regime to the Pfirsch-Schluter regime, a new connection formula has been proposed. We have applied this connection formula to the LHD plasmas which belongs to some collisionality regimes and obtained finite beta MHD equilibria including the bootstrap current. For LHD plasmas such as ECRH (T_i \u003c \u003c T_e) in electron root, the bootstrap current with electric potential twice as large as electron temperature reduces to about 1/5 ~ 2/3 of that with zero electric potential. Them MHD equilibrium configuration significantly changes depending on collisionality and radial electric field even for the same beta value of LHD plasmas.\"", "subitem_description_type": "Abstract"}]}, "item_5_source_id_10": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0915-633X", "subitem_source_identifier_type": "ISSN"}]}, "item_5_text_25": {"attribute_name": "登録情報", "attribute_value_mlt": [{"subitem_text_value": "Made available in DSpace on 2010-02-05T10:17:18Z (GMT). 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Effect of Collisionality and Radial Electric Field on Bootstrap Current in LHD (Large Helical Device)
http://hdl.handle.net/10655/2603
http://hdl.handle.net/10655/2603b44824e9-4c50-48c9-a1b6-a42b393c178a
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 | Effect of Collisionality and Radial Electric Field on Bootstrap Current in LHD (Large Helical Device) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | bootstrap current | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stellarator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | heliotron | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | neoclassical current | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | collisionality | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | radial electric field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MHD equilibrium | |||||
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 |
"Watanabe, K.Y.
× "Watanabe, K.Y.× Nakajima, N.× Okamoto, M.× Yamazaki, K.× Nakamura, Y.× Wakatani, M." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "The bootstrap current reduces in more collisional regime, and in the stellarator/heliotron it is predicted that the neoclassical current proportional to radial electric field exists when electrons and ions belong to different regimes of collisionality. To evaluate the bootstrap current in stellarator/heliotron in the whole range of collisionality from the collisionless l/mu regime to the Pfirsch-Schluter regime, a new connection formula has been proposed. We have applied this connection formula to the LHD plasmas which belongs to some collisionality regimes and obtained finite beta MHD equilibria including the bootstrap current. For LHD plasmas such as ECRH (T_i < < T_e) in electron root, the bootstrap current with electric potential twice as large as electron temperature reduces to about 1/5 ~ 2/3 of that with zero electric potential. Them MHD equilibrium configuration significantly changes depending on collisionality and radial electric field even for the same beta value of LHD plasmas." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1994-06-01 |
|||||
報告書番号 | ||||||
NIFS-285 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |