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An extended Hasegawa–Mima equation for nonlinear drift wave turbulence in general magnetic configurations
http://hdl.handle.net/10655/0002000277
http://hdl.handle.net/10655/00020002771fcd6f68-3679-47a3-a71a-6ad5461f1edd
名前 / ファイル | ライセンス | アクション |
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14139_Phys_D.pdf (766 KB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2024-01-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | An extended Hasegawa–Mima equation for nonlinear drift wave turbulence in general magnetic configurations | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Nonlinear equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hamiltonian mechanics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Nonlinear stability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hasegawa–Mima equation | |||||
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 |
SATO, Naoki
× SATO, Naoki× YAMADA, Michio |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We propose an extended Hasegawa–Mima equation describing the evolution of nonlinear drift wave turbulence in general magnetic configurations. Such HMGM equation can be derived within the kinetic framework of guiding center motion or from a two-fluid model of an ion-electron plasma by application of a drift wave turbulence ordering that does not involve conditions on spatial derivatives of magnetic field and plasma density. The HMGM equation is therefore appropriate to describe the evolution of drift wave turbulence in strongly inhomogeneous magnetized plasmas, such as magnetospheric and stellarator plasmas, involving complex magnetic field geometries and non-uniform plasma density distributions. We find conservation laws (mass, energy, and generalized enstrophy) of the HMGM equation, study its algebraic (Hamiltonian) structure, and prove a nonlinear stability criterion for steady solutions through the energy-Casimir method. We then apply these results to describe drift waves and infer the existence of stable toroidal zonal flows with radial shear in dipole magnetic fields. | |||||
言語 | en | |||||
書誌情報 |
en : Physica D: Nonlinear Phenomena 巻 459, 号 March 2024, p. 134031, 発行日 2023-12-29 |
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出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0167-2789 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00362211 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.physd.2023.134031 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2023 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.physd.2023.134031 | |||||
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 | |||||
NAIS | ||||||
14139 |