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Study of a Closed Divertor Configuration for the Three-Dimensionally Complicated Magnetic Structure in the LHD Plasma Periphery
http://hdl.handle.net/10655/6370
http://hdl.handle.net/10655/637090d20556-0804-4de7-8e46-64f5eba1a807
名前 / ファイル | ライセンス | アクション |
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pfr2008_03-S1038.pdf (1.5 MB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2011-04-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Study of a Closed Divertor Configuration for the Three-Dimensionally Complicated Magnetic Structure in the LHD Plasma Periphery | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma edge transport | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | neutral particle transport | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | EIRENE | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | closed divertor | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma fluid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | strike point | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | baffle plate | |||||
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 |
SHOJI, Mamoru
× SHOJI, Mamoru× KOBAYASHI, Masahiro× MASUZAKI, Suguru× IWAMAE, Atsushi× WATANABE, Tsuguhiro× YAMADA, Hiroshi× KOMORI, Akio× LHD, experimental groups |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The distribution of strike points in a closed divertor configuration with additional baffle plates installed in the toroidal ends of closed divertor components near lower/upper ports is calculated by tracing magnetic field lines from the last closed flux surface in various magnetic configurations (radial position of the magnetic axis, Rax = 3.50 ? 3.90 m). The calculation shows that the ratio of the number of strike points on additional plates is maximum for Rax = 3.60 m, showing that the plates are effective in this magnetic configuration. Neutral particle transport is investigated using a fully three-dimensional code EIRENE with one-dimensional plasma fluid analysis of divertor legs, where the plasma parameter profiles on the legs are obtained by an iterative calculation including interaction processes between the plasma and neutral particles. The plates raise the pressure of molecular hydrogen locally near the baffle plates to more than 0.2 Pa, which is enough for efficient particle control using vacuum pumping systems installed near the plates. The simulation proposes one possible candidate of optimized closed divertor configuration for the three-dimensionally complicated magnetic structure in the LHD plasma periphery. | |||||
書誌情報 |
en : Plasma and Fusion Research 巻 Vol.3, p. S1038-1 - S1038-7, 発行日 2008-01-01 |
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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.3.S1038 | |||||
権利 | ||||||
権利情報 | ? 2008 The Japan Society of Plasma Science and Nuclear Fusion Research |