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Simulation Study of Ballooning Modes in the Large Helical Device
http://hdl.handle.net/10655/6389
http://hdl.handle.net/10655/63896c775f00-033a-4138-886f-d0c07a175c56
名前 / ファイル | ライセンス | アクション |
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pfr2010_05-S2062.pdf (502.6 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2011-04-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Simulation Study of Ballooning Modes in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ballooning modes | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MHD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ion diamagnetic drift | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Large Helical Device | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computer simulation | |||||
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 |
TODO, Yasushi
× TODO, Yasushi× NAKAJIMA, Noriyoshi× SATO, Masahiko× MIURA, Hideaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The magnetohydrodynamic (MHD) simulation code MHD Infrastructure for Plasma Simulation (MIPS) was benchmarked on ballooning instability in the Large Helical Device (LHD) plasma. The results were compared to the results of linear analysis by using the CAS3D code. Both the linear growth rates and the spatial profiles were found to be in good agreement. An extended MHD model with finite ion Larmor radius effects was implemented into the MIPS code. Ballooning instabilities were investigated using the extended MHD model, and the results were compared with those using the MHD model. Ion diamagnetic drift was found to reduce the growth rate of the short-wavelength modes; hence, modes with a diamagnetic drift frequency comparable to the ideal MHD growth rate are the most unstable. The most unstable toroidal mode number of ballooning instability in the LHD is reduced to |n| ? 5 for hydrogen plasma with ion number density ni ? 1019 m?3. | |||||
書誌情報 |
en : Plasma and Fusion Research 巻 Vol.5, p. S2062-1 - S2062-4, 発行日 2010-01-01 |
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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.5.S2062 | |||||
権利 | ||||||
権利情報 | ? 2010 The Japan Society of Plasma Science and Nuclear Fusion Research |