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Multi-scale MHD analysis of LHD plasma with background field changing
http://hdl.handle.net/10655/00012574
http://hdl.handle.net/10655/000125740a4d6526-b112-4529-8625-614050b04db4
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion55_pp043019 (723.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-13 | |||||
タイトル | ||||||
タイトル | Multi-scale MHD analysis of LHD plasma with background field changing | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetohydrodynamics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | heliotron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | multi-scale | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | pressure-driven mode | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 |
ICHIGUCHI, Katsuji
× ICHIGUCHI, Katsuji× SAKAKIBARA, Satoru× OHDACHI, Satoshi× Carreras, B.A. |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-7698-0223 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The mechanism of the partial collapse observed in the experiment with the background magnetic field changing in the Large Helical Device (LHD) is numerically investigated with a nonlinear magnetohydrodynamics (MHD) simulation. Since the different timescales of the perturbations and the background field changing have to be treated simultaneously for the analysis of this plasma, a multi-scale simulation scheme is developed. The effect of the perturbation dynamics on the equilibrium pressure and rotational transform is taken into account in this scheme. The result indicates that the collapse is caused by the destabilization of an infernal-like mode due to the magnetic hill enhanced by the change of the background field. The mechanism of the reduction of the central beta observed after the partial collapse in the experiment is also analysed in relation to the effect of the background field changing. |
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書誌情報 |
Nuclear Fusion 巻 55, 号 4, p. 043019, 発行日 2015-03-30 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 17414326 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12472385 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/0029-5515/55/4/043019 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/0029-5515/55/4/043019 | |||||
情報源 | ||||||
関連名称 | Ishiguchi K, Sakakibara S, Ohdachi S and Carreras B.A. 2015 Multi-scale MHD analysis of LHD plasma with background field changing Nuclear Fusion 55 043019. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/0029-5515/55/4/043019 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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