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Single-fluid stability of stationary plasma equilibria with velocity shear and magnetic shear
http://hdl.handle.net/2261/38142
http://hdl.handle.net/2261/38142f4a1d0f4-94c3-44e5-87bb-90bb176770b9
名前 / ファイル | ライセンス | アクション |
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PP_16_10_102107.pdf (217.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-01-06 | |||||
タイトル | ||||||
タイトル | Single-fluid stability of stationary plasma equilibria with velocity shear and magnetic shear | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | plasma Alfven waves | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | plasma drift waves | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | plasma instability | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Tokamak devices | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Miura, Akira
× Miura, Akira |
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著者所属 | ||||||
著者所属 | Department of Earth and Planetary Physics, University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | By using incompressible single-fluid equations with a generalized Ohm’s law neglecting the electron inertia, a linear eigenmode equation for a magnetic field perturbation is derived for stationary equilibria in a slab geometry with velocity and magnetic shears. The general eigenmode equation contains a fourth-order derivative of the perturbation in the highest order and contains Alfvén and whistler mode components for a homogeneous plasma. The ratio of the characteristic ion inertia length to the characteristic inhomogeneity scale length is chosen as a small parameter for expansion. Neglecting whistler mode in the lowest order, the eigenmode equation becomes a second-order differential equation similar to the ideal magnetohydrodynamic eigenmode equation except for the fact that the unperturbed perpendicular velocity contains both electric and ion diamagnetic drifts. A sufficient condition for stability against the Kelvin–Helmholtz instability driven by shear in the ion diamagnetic drift velocity is derived and then applied to tokamaks. | |||||
書誌情報 |
Physics of plasmas 巻 16, 号 10, p. 102107, 発行日 2009-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070664X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10987555 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1063/1.3247873 | |||||
権利 | ||||||
権利情報 | © 2009 American Institute of Physics | |||||
日本十進分類法 | ||||||
主題 | 450 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://doi.org/10.1063/1.3247873 |