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Linear analysis of cross-field dynamics with feedback instability on detached divertor plasmas
http://hdl.handle.net/10655/00012669
http://hdl.handle.net/10655/000126693a49a40d-ca7c-48d0-91b1-cd1a7d8c3a81
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion61_pp126005 (4.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-11-04 | |||||
タイトル | ||||||
タイトル | Linear analysis of cross-field dynamics with feedback instability on detached divertor plasmas | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | detached divertor plasma | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cross-field transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | feedback instability | |||||
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 |
HASEGAWA, Hiroki
× HASEGAWA, Hiroki× TANAKA, Hirohiko× ISHIGURO, Seiji |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-7641-6908 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A theoretical model of feedback instability is proposed to explain the mechanism of correlation between the detachment and the cross-field plasma transport. It is shown that the feedback instability on the detached divertor plasma can be induced in a certain condition in which the volume recombination frequency is larger than the ion cyclotron frequency in the recombination region. Further, the density gradient and the electric field in the direction perpendicular to the magnetic flux surface are not zero in the condition. The feedback instability can provide the cross-field plasma transport in the boundary layer of magnetic fusion torus devices. Furthermore, the properties of the radial transport observed in the NAGDIS-II linear device experiment are compared with the estimation by the feedback instability model. The dependence of the feedback instability mode on the total collision frequency and the recombination coefficient and the density gradient has been also investigated. Although the dependency on the total collision frequency and the recombination coefficient for the typical fusion torus device case is opposite to that for the NAGDIS-II case, the represented dependencies show the reasonable tendency in each case. | |||||
書誌情報 |
Nuclear Fusion 巻 61, 号 12, p. 126006, 発行日 2021-10-20 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
出版者 | ||||||
出版者 | International Atomic Energy Agency | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00295515 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ac2a88 | |||||
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 doi.org/10.1088/1741-4326/ac2a88 | |||||
情報源 | ||||||
関連名称 | Citation Hiroki Hasegawa et al 2021 Nucl. Fusion 61 126005 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/ac2a88 | |||||
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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