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Spectrum of the Velocity Distribution Function in the Slab Ion Temperature Gradient Driven Turbulence
http://hdl.handle.net/10655/3831
http://hdl.handle.net/10655/383151bed748-4e53-47e1-9035-38f210d358b3
名前 / ファイル | ライセンス | アクション |
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403.pdf (137.6 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-04-08 | |||||
タイトル | ||||||
タイトル | Spectrum of the Velocity Distribution Function in the Slab Ion Temperature Gradient Driven Turbulence | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Spectrum of the Velocity Distribution Function in the Slab Ion Temperature Gradient Driven Turbulence | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | slab ITG turbulence | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | entropy spectrum | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gyrokinetic equation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | anomalous transport | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | slab ITG turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | entropy spectrum | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gyrokinetic equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | anomalous transport | |||||
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 |
SUGAMA, Hideo
× SUGAMA, Hideo× WATANABE, Tomohiko× SUGAMA, Hideo× WATANABE, Tomohiko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A spectral analysis of the velocity distribution function in the slab ion temperature gradient (ITG) driven turbulence is done by using high-resolution Eulerian kinetic simulation results. It is clarified how the entropy variable associated with the fine-scale structure of the distribution function is produced by the turbulent heat transport in the presence of the temperature gradient, transferred from macro to microscales in the velocity space through phase- mixing processes, and dissipated by collisions. An interesting analogy between the entropy spectrum in the ITG turbulence and the spectrum of a passive scalar quantity in a turbulent fluid is pointed out. The entropy spectral function is analytically derived and confirmed by the simulation result. It is shown that the entropy spectrum obeys a power law in the range that is free from instability sources and collisional dissipation. | |||||
書誌情報 |
Journal of Plasma and Fusion Research SERIES en : Journal of Plasma and Fusion Research SERIES 巻 Vol.6, p. pp.271-274, 発行日 2004-01-01 |
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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 |