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Coherent Structure of Zonal Flow and Onset of Turbulent Transport
http://hdl.handle.net/10655/3214
http://hdl.handle.net/10655/3214d4f54937-779b-4f31-aee9-384f79a43c9d
名前 / ファイル | ライセンス | アクション |
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NIFS-811.pdf (683.2 kB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Coherent Structure of Zonal Flow and Onset of Turbulent Transport | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | zonal flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | drift wave turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | anomalous transport | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nonlinear saruration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | partition of energy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | coherent structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | upshift of turbulence threshold | |||||
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 | |||||
著者 |
Itoh, K.
× Itoh, K.× Hallatschek, K.× Itoh, S.-I× Dianmond, P.H.× Toda, S. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Excitation of the turbulence in the range of drift wave frequency and zonal flow in magnetized plasmas is analyzed. Nonlinear stabilization effect on zonal flow drive is introduced, and the steady state solution is obtained. The condition for the onset of turbulent transport is obtained and partition ratio of fluctuation energy into turbulence and zonal flows is derived. The turbulent transport coefficient, which includes the effect of zonal flow, is also obtained. Analytic result and direct numerical simulation show a good agreement | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2005-02-01 |
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報告書番号 | ||||||
NIFS-811 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |