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Non-ideal MHD growth of current interchange tearing modes at plasma edge and response to externally-imposed flow
http://hdl.handle.net/10655/00013603
http://hdl.handle.net/10655/000136033c8a3e85-132e-4a7f-b374-20dab06443ed
名前 / ファイル | ライセンス | アクション |
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13464_Phys.Plasmas (11.0 MB)
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VoR_Phys.Plasmas_30_052503 (6.9 MB)
Download is available from 2024/5/4.
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2023-05-11 | |||||
タイトル | ||||||
タイトル | Non-ideal MHD growth of current interchange tearing modes at plasma edge and response to externally-imposed flow | |||||
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 |
MIURA, Hideaki
× MIURA, Hideaki× ZHENG, Linjin× HORTON, Wendell |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-5668-6900 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Current interchange tearing modes (CITMs) have been proposed to explain an intermittent eruption of electric current toward a divertor at an edge region of a tokamak device. Extended magnetohydrodynamic (MHD) simulations combined with the Scrape-Off-Layer diffusion model, which has been developed by the authors [Miura et al., Phys. Plasmas 24, 092111 (2017)], are carried out in order to study the growth of a CITM under influences of two-fluid and gyro-viscous effects, or non-ideal MHD effects. Numerical simulations both with and without an externally imposed azimuthal flow show that the growth of a CITM is observed for a relatively small flow velocity, and that a CITM can be a candidate mechanism for the intermittent eruption of the current in a tokamak, whether the growth is under influences of non-ideal MHD effects or not. The growth can be suppressed when an externally imposed azimuthal flow is sufficiently large to cause a finite radial displacement because such a displacement prevents a transition from an interchange to a tearing mode that is the key process of a CITM. Furthermore, it is also found that a stripe pattern similar to so-called streamers is formed in the course of the CITM growth. The basic nature of this streamer-like structure is also presented. | |||||
書誌情報 |
Physics of Plasmas 巻 30, 号 5, p. 052503, 発行日 2023-05-05 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070-664X | |||||
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 | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0106785 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. | |||||
権利 | ||||||
権利情報 | Any other use requires prior permission of the author and AIP Publishing. | |||||
権利 | ||||||
権利情報 | This article appeared in Physics of Plasmas 30, 052503 (2023) and may be found at https://doi.org/10.1063/5.0106785 | |||||
権利 | ||||||
権利情報 | Copyright 2023 Author(s). | |||||
権利 | ||||||
権利情報 | This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
情報源 | ||||||
関連名称 | Hideaki Miura, Linjin Zheng, Wendell Horton; Non-ideal MHD growth of current interchange tearing modes at plasma edge and response to externally-imposed flow. Physics of Plasmas 1 May 2023; 30 (5): 052503. https://doi.org/10.1063/5.0106785 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0106785 | |||||
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 | ||||||
13464 |