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Selective formation of turbulent structures in magnetized cylindrical plasmas
http://hdl.handle.net/10655/2257
http://hdl.handle.net/10655/225757808cf0-ce72-40aa-9ace-cc968a6ba514
名前 / ファイル | ライセンス | アクション |
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3151 PhysPlasmas_15_052302.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-01-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Selective formation of turbulent structures in magnetized cylindrical plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma drift waves | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma magnetohydrodynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma nonlinear waves | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma turbulence | |||||
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 |
Kasuya, Naohiro
× Kasuya, Naohiro× Yagi, Masatoshi× Itoh, Kimitaka× Itoh, Sanae-I |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The mechanism of nonlinear structural formation has been studied with a three-field reduced fluid model, which is extended to describe the resistive drift wave turbulence in magnetized cylindrical plasmas. In this model, ion-neutral collisions strongly stabilize the resistive drift wave, and the formed structure depends on the collision frequency. If the collision frequency is small, modulational coupling of unstable modes generates a zonal flow. On the other hand, if the collision frequency is large, a streamer, which is a localized vortex in the azimuthal direction, is formed. The structure is generated by nonlinear wave coupling and is sustained for a much longer duration than the drift wave oscillation period. This is a minimal model for analyzing the turbulent structural formation mechanism by mode coupling in cylindrical plasmas, and the competitive nature of structural formation is revealed. These turbulent structures affect particle transport. | |||||
書誌情報 |
en : Physics of Plasmas 巻 Vol.15, p. 052302-1 - 052302-10, 発行日 2008-05-01 |
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出版者 | ||||||
出版者 | American Institute of Physics. | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.2912461 | |||||
権利 | ||||||
権利情報 | ? 2008 American Institute of Physics. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.2912461 | |||||
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 |