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Comparative Analysis of Impurity Transport in the Peripheral Plasma in the Large Helical Device for Carbon and Tungsten Divertor Configurations with EMC3-EIRENE
http://hdl.handle.net/10655/00013268
http://hdl.handle.net/10655/00013268cfaec925-a685-453e-b42b-b936a79b83d3
名前 / ファイル | ライセンス | アクション |
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11733_PFR (5.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-23 | |||||
タイトル | ||||||
タイトル | Comparative Analysis of Impurity Transport in the Peripheral Plasma in the Large Helical Device for Carbon and Tungsten Divertor Configurations with EMC3-EIRENE | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | impurity transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tungsten | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | divertor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | EMC3-EIRENE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LHD | |||||
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 |
SHOJI, Mamoru
× SHOJI, Mamoru× KAWAMURA, Gakushi |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-0655-7347 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Impurity transport in the peripheral plasma in the Large Helical Device for carbon and tungsten divertor configurations is analyzed using a three-dimensional edge plasma simulation code (EMC3-EIRENE). Long pulse plasma discharges in LHD have often been interrupted by the emission of iron dust from the surface of the vacuum vessel. The iron ions in the peripheral plasma originating from the iron dust can enhance the sputtering of impurities on the divertor plates. The influence on the peripheral plasma by the sputtered impurities is investigated in the iron dust emission case for both the carbon and the tungsten divertor configurations. The simulation reveals that the dependence of the radiation power by the sputtered impurities on the plasma density and the iron emission rate is quite different between the two divertor configurations. It is found that, for the tungsten divertor, a high plasma density operation is advantageous for controlling the radiation power and the impurity ion content. In the high plasma density operation, the radiation power by tungsten ions is suppressed to less than that by carbon ions for the carbon divertor even in the case of high iron dust emission rates due to the reduced sputtering rate by lowered divertor electron temperatures. | |||||
書誌情報 |
Plasma and Fusion Research 巻 14, 号 Special Issue 2, p. 3403057, 発行日 2019-04-10 |
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書誌的事項 | ||||||
the 27th International Toki Conference (ITC27) & the 13th Asia Pacific Plasma Theory Conference (APPTC2018) | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.14.3403057 | |||||
権利 | ||||||
権利情報 | (c) 2019 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.14.3403057 | |||||
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 | ||||||
11733 |