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Turbulence Spreading into an Edge Stochastic Magnetic Layer Induced by Magnetic Fluctuation and Its Impact on Divertor Heat Load
http://hdl.handle.net/10655/00013095
http://hdl.handle.net/10655/0001309555456963-e409-41c5-b79d-4d8fe1cb0be8
名前 / ファイル | ライセンス | アクション |
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PhysRevLett.128.125001 (2.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-04-14 | |||||
タイトル | ||||||
タイトル | Turbulence Spreading into an Edge Stochastic Magnetic Layer Induced by Magnetic Fluctuation and Its Impact on Divertor Heat Load | |||||
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 |
KOBAYASHI, Masahiro
× KOBAYASHI, Masahiro× TANAKA, Kenji× IDA, Katsumi× HAYASHI, Yuki× TAKEMURA, Yuki× KINOSHITA, Toshiki |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-0990-7093 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Turbulence spreading into the edge stochastic magnetic layer induced by magnetic fluctuation is observed at the sharp boundary region in the large helical device. The density fluctuation excited at the sharp boundary region with a large pressure gradient does not propagate into the boundary region due to the blocking of turbulence spreading by the large second derivative of the pressure gradient. Once the magnetic fluctuation appears at the boundary, the density fluctuation begins to penetrate the edge stochastic layer and the second derivative of the pressure gradient also decreases. The increase of density fluctuation in this layer results in the broadening and reduction of the peak divertor heat load. It is demonstrated that magnetic fluctuation plays a key role in controlling the turbulence spreading at the boundary of plasma which contributes to the reduction of divertor heat load. | |||||
書誌情報 |
Physical Review Letters 巻 128, 号 12, p. 125001, 発行日 2022-03-23 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0031-9007 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773679 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1103/PhysRevLett.128.125001 | |||||
権利 | ||||||
権利情報 | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. | |||||
情報源 | ||||||
関連名称 | M. Kobayashi, K. Tanaka, K. Ida, Y. Hayashi, Y. Takemura, and T. Kinoshita Phys. Rev. Lett. 128, 125001 – Published 23 March 2022 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://link.aps.org/doi/10.1103/PhysRevLett.128.125001 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
12948 |