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Improved linearized model collision operator for the highly collisional regime
http://hdl.handle.net/10655/00012614
http://hdl.handle.net/10655/000126147262387e-db82-41ab-a359-64e218095842
名前 / ファイル | ライセンス | アクション |
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Phys.Plasmas26_102108 (701.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-28 | |||||
タイトル | ||||||
タイトル | Improved linearized model collision operator for the highly collisional regime | |||||
言語 | ||||||
言語 | eng | |||||
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× MATSUOKA, Keisuke× SATAKE, Shinsuke× NUNAMI, Masanori× WATANABE, T.-H. |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-5444-1758 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The linearized model collision operator for multiple species plasmas given by Sugama et al. [Phys. Plasmas 16, 112503 (2009)] is improved to be properly applicable up to the highly collisional regime. The improved linearized model operator retains the conservation laws of particles, momentum, and energy, and it reproduces the same friction-flow relations as derived by the linearized Landau operator so that this model can be used to correctly evaluate neoclassical transport fluxes in all collisionality regimes. The adjointness relations and Boltzmann’s H-theorem are exactly satisfied by the improved operator except in the case of collisions between unlike particle species with unequal temperatures where these relations and H-theorem still hold approximately because there is a large difference between the masses of the two species with significantly different temperatures. Even in the unequal-temperature case, the improved operator can also be modified so as to exactly satisfy the adjointness relations, while it causes the values of the friction coefficients to deviate from those given by the Landau operator. In addition, for application to gyrokinetic simulations of turbulent transport, the improved operator is transformed into the gyrophaseaveraged form by keeping the finite gyroradius effect. |
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書誌情報 |
Physics of Plasmas 巻 26, p. 102108, 発行日 2019-10-11 |
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出版者 | ||||||
出版者 | AIP Publishing | |||||
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 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5115440 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Physics of Plasmas 26, 102108 (2019) and may be found at https://aip.scitation.org/doi/10.1063/1.5115440. | |||||
権利 | ||||||
権利情報 | Copyright 2019 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5115440 | |||||
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 | ||||||
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