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A mechanism of ion temperature peaking by impurity pellet injection in a heliotron plasma
http://hdl.handle.net/10655/00012891
http://hdl.handle.net/10655/0001289153da072e-4ad7-4a1a-b4d1-6ffe9e9ec15c
名前 / ファイル | ライセンス | アクション |
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Plasma_Phys.Control.Fusion62_pp075008 (989.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||
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公開日 | 2022-01-18 | |||||||||
タイトル | ||||||||||
タイトル | A mechanism of ion temperature peaking by impurity pellet injection in a heliotron plasma | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | ion temperature | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | energy transport | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | impurity | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | helical device | |||||||||
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× OSAKABE, Masaki× KOBAYASHI, Masahiro× Mukai, Kiyofumi× NAGAOKA, Kenichi× TAKAHASHI, Hiromi× TANAKA, Kenji× MORISAKI, Tomohiko× LHD Experimental Group,
WEKO
66319
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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 | Experiments on the Large Helical Device with the injection of carbon pellets into discharges of low density have demonstrated a significant reduction of the ion heat conduction in the plasma core and an increase in the central ion temperature by a factor of up to 2. These results are interpreted in the framework of a transport model elaborated on the basis of those applied previously to explain the improvement in confinement by impurity seeding into the tokamak devices TEXTOR and JET. The calculations performed reproduce well the strong peaking of the ion temperature profile with increasing carbon density nZ and the consequent drop in the confinement as nZ exceeds a certain critical level. The importance of different elements in the model, such as braking of the main ion rotation by friction with impurity ones and the shape of the density profiles, are investigated. A qualitative assessment of the applicability under fusion reactor conditions, e.g. of much higher plasma density and heating power, is performed. | |||||||||
書誌情報 |
Plasma Physics and Controlled Fusion 巻 62, 号 7, p. 075008, 発行日 2020-06-01 |
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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/ab8ca2 | |||||||||
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 doi.org/10.1088/1361-6587/ab8ca2. | |||||||||
権利 | ||||||||||
権利情報 | © 2020 IOP Publishing Ltd | |||||||||
情報源 | ||||||||||
関連名称 | M Z Tokar et al 2020 Plasma Phys. Control. Fusion 62 075008 | |||||||||
関連サイト | ||||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | https://doi.org/10.1088/1361-6587/ab8ca2 | |||||||||
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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