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Modeling of the resonant magnetic perturbation effect on detachment in the Large Helical Device
http://hdl.handle.net/10655/00012887
http://hdl.handle.net/10655/00012887c60196e4-aa31-4017-bfe7-71ae0e2c5004
名前 / ファイル | ライセンス | アクション |
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Plasma_Phys.Control.Fusion62_pp085011 (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-01-17 | |||||
タイトル | ||||||
タイトル | Modeling of the resonant magnetic perturbation effect on detachment in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | divertor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | detachment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | helical device | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | magnetic island | |||||
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 |
TOKAR, Mikhail
× TOKAR, Mikhail× KOBAYASHI, Masahiro× the, LHD Experiment Group |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-9536-9841 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | An approach to describe the plasma parameter variation with the effective minor radius across the edge region in the heliotron Large Helical Device (LHD) in configurations without and with a resonant magnetic perturbation (RMP) is elaborated, by averaging fluid equations for transport of particles, momentum and heat over the flux surfaces. Numerical solutions of one-dimensional, time-dependent equations derived and analytical estimates performed allow us to interpret the LHD experiments on the density limit. Calculations reproduce qualitatively the principal difference between situations without and in the presence of RMP: in the former case a thermal collapse of the discharge occurs immediately after the plasma detachment from the divertor target plates at a radiation level of 0.4–0.5; in the latter the radiating layer is localized at the plasma edge even if the power radiated exceeds 90% of the input power. A prominent role for such a behavior of plasma particle flows along magnetic field lines perturbed by RMP, leading to a positive radial gradient of the plasma density inside the magnetic island, is demonstrated. | |||||
書誌情報 |
Plasma Physics and Controlled Fusion 巻 62, 号 8, p. 085011, 発行日 2020-07-13 |
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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 | 07413335 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10643410 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1361-6587/ab9c49 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Plasma Physics and COntrolled 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 | |||||
情報源 | ||||||
関連名称 | Mikhail Tokar et al 2020 Plasma Phys. Control. Fusion 62 085011 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1361-6587/ab9c49 | |||||
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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