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Low m/n Mode Behavior of MHD Plasma in LHD
http://hdl.handle.net/10655/3893
http://hdl.handle.net/10655/3893d489d724-3ec8-47d2-8bcb-1fc4b90629e3
名前 / ファイル | ライセンス | アクション |
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264.pdf (260.5 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-10-29 | |||||
タイトル | ||||||
タイトル | Low m/n Mode Behavior of MHD Plasma in LHD | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Low m/n Mode Behavior of MHD Plasma in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetohydrodynamic | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | direct numerical simulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | m/n = 2/1 mode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | vortex pair | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetohydrodynamic | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | direct numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | m/n = 2/1 mode | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex pair | |||||
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 |
MIURA, Hideaki
× MIURA, Hideaki× HAYASHI, Takaya× HAYASHI, Takaya |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Behaviors of low poloidal (m) and toroidal (n) Fourier modes in the Large Helical Device (LHD) are investigated by means of direct numerical simulations (DNS) of fully three-dimensional, nonlinear and compressible magnetohydrodynamics (MHD) equations. Starting from an ideal equilibrium with the position of vacuum magnetic axis Rax = 3.6 m and β0 = 4% finite pressure, a m/n = 2/1 mode grows in the DNS. Fluid motions on poloidal sections are governed by the two pairs of anti-parallel vortex pairs associated with the m/n = 2/1 modes. The vortex pairs transport plasma pressure from the core to edge region and bring about large pressure deformations. It is also shown that the toroidal part in the kinetic energy and the enstrophy are comparable to the poloidal parts of them. The numerical results demonstrate importance of investigating three-dimensional behaviors of MHD plasmas in LHD. |
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書誌情報 |
Journal of Plasma and Fusion Research SERIES en : Journal of Plasma and Fusion Research SERIES 巻 Vol.6, p. pp.349-352, 発行日 2004-12-01 |
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出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
権利 | ||||||
権利情報 | ?2004 by The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jspf.or.jp/JPFRS/index_vol6-2.html | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |