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Measurements of the Impurity Flow Velocity and Temperature in Deuterium and Hydrogen Plasmas in the Divertor Legs of the Stochastic Layer in LHD
http://hdl.handle.net/10655/00013282
http://hdl.handle.net/10655/00013282bffd5590-69a3-41d3-8400-35fd85750b81
名前 / ファイル | ライセンス | アクション |
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11284_PFR (2.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-24 | |||||
タイトル | ||||||
タイトル | Measurements of the Impurity Flow Velocity and Temperature in Deuterium and Hydrogen Plasmas in the Divertor Legs of the Stochastic Layer in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | impurity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | isotope effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | carbon | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | deuterium | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hydrogen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Echelle spectroscopy | |||||
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 |
KUZMIN, Arseniy
× KUZMIN, Arseniy× KOBAYASHI, Masahiro× NAKANO, Tomohide× HASUO, Masahiro× FUJII, Keisuke× GOTO, Motoshi× SHIKAMA, Taiichi× MORISAKI, Tomohiro× The LHD Experiment Group, |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-8429-3298 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper presents carbon impurity flow velocity and temperature measurements in the divertor region for a wide density range ne = (1 - 14) × 1019 m−3, central electron temperature Te = 1.5 - 3.5 keV, and with total neutral beam injection power of 9 - 12 MW. The isotope effect on the transport is studied in hydrogen (H) and deuterium (D) discharges. Flow velocities for D plasma are systematically slower, by the factor of 1.4 - 2, compared to H plasma. For all selected discharges, the carbon ions flow toward the divertor in both H and D plasmas. Different velocities are obtained depending on the charge states. For C+ and C2+ they are in the range of 10 - 30 km/s, and 5 - 20 km/s for C3+ ions. It is also found that there is no change of flow direction even in the lowest density, where the impurity transport model predicts flow toward upstream in the thermal force dominant regime. In H discharges velocities increase proportionally to the plasma density, while in D discharges this dependency is weaker. Possible mechanism to interpret these observations is discussed based on the parallel momentum balance of impurity transport. | |||||
書誌情報 |
Plasma and Fusion Research 巻 13, 号 Special Issue 2, p. 3402058, 発行日 2018-06-12 |
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書誌的事項 | ||||||
the 26th International Toki Conference (ITC-26) —New Era in Plasma and Fusion Research— & the 11th Asia Plasma and Fusion Association Conference (APFA-11) | ||||||
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.13.3402058 | |||||
権利 | ||||||
権利情報 | (c) 2018 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.13.3402058 | |||||
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 | ||||||
11284 |