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Time-dependent plasma transport simulation for the study of edge impurity radiation dynamics with magnetic island in large helical device
http://hdl.handle.net/10655/00012740
http://hdl.handle.net/10655/00012740f5130fa1-1714-47ed-8acd-ffa62fae2819
名前 / ファイル | ライセンス | アクション |
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Contr.Plasma_phys_60_e201900138 (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-15 | |||||
タイトル | ||||||
タイトル | Time-dependent plasma transport simulation for the study of edge impurity radiation dynamics with magnetic island in large helical device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | detachment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | helical devices | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | impurity radiation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetic island | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | resonant magnetic perturbation | |||||
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 |
KOBAYASHI, Masahiro
× KOBAYASHI, Masahiro× TOKAR, Mikhail |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The dynamics of impurity radiation distribution during detachment transition with edge magnetic island induced by the application of resonant magnetic perturbation (RMP) is studied numerically by solving time-dependent plasma fluid equations together with impurity and neutral transports in a 2D grid system. Computations provide the appearance of a macroscopic structure in the heat transfer along the island separatrix and outside the island. The resultant parallel temperature gradient generates the plasma flow and the density gradient according to the parallel momentum balance. The resulting plasma flow effectively transports impurity towards the X-point region. As a result, the impurity radiation is more intense near the X-point than in the vicinity of the O-point. This leads to the predominant cooling of the region around the X-point. These results are in agreement with experimental observation with RMP application in the large helical device (LHD). The time scale of the thermal condensation instability is found to be of the order of 10 ms. | |||||
書誌情報 |
Contributions to plasma physics 巻 60, 号 5-6, p. e201900138, 発行日 2020-01-29 |
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書誌的事項 | ||||||
Special Issue: 17th International Workshop on Plasma Edge Theory in Fusion Devices, August 19‐21, 2019, University California San Diego, La Jolla, USA June-July 2020 | ||||||
出版者 | ||||||
出版者 | Wiley | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 08631042 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10760174 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/ctpp.201900138 | |||||
権利 | ||||||
権利情報 | This is the peer reviewed version of the following article: Contrib. Plasma Phys. 2020;60:e201900138., which has been published in final form at doi.org/10.1002/ctpp.201900138. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited. | |||||
情報源 | ||||||
関連名称 | Contrib. Plasma Phys. 2020;60:e201900138 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1002/ctpp.201900138 | |||||
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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