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  1. Published Papers
  2. Published Papers

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/10655/00013282
bffd5590-69a3-41d3-8400-35fd85750b81
名前 / ファイル ライセンス アクション
11284_PFR.pdf 11284_PFR (2.4 MB)
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Item type 学術雑誌論文 / Journal Article(1)
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

KUZMIN, Arseniy

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KOBAYASHI, Masahiro

× KOBAYASHI, Masahiro

KOBAYASHI, Masahiro

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NAKANO, Tomohide

× NAKANO, Tomohide

NAKANO, Tomohide

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HASUO, Masahiro

× HASUO, Masahiro

HASUO, Masahiro

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FUJII, Keisuke

× FUJII, Keisuke

FUJII, Keisuke

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GOTO, Motoshi

× GOTO, Motoshi

GOTO, Motoshi

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SHIKAMA, Taiichi

× SHIKAMA, Taiichi

SHIKAMA, Taiichi

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MORISAKI, Tomohiro

× MORISAKI, Tomohiro

MORISAKI, Tomohiro

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LHD, Experiment Group

× LHD, Experiment Group

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
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
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Ver.1 2023-06-20 16:10:29.549591
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Cite as

KUZMIN, Arseniy, KOBAYASHI, Masahiro, NAKANO, Tomohide, HASUO, Masahiro, FUJII, Keisuke, GOTO, Motoshi, SHIKAMA, Taiichi, MORISAKI, Tomohiro, LHD, Experiment Group, 2018, Measurements of the Impurity Flow Velocity and Temperature in Deuterium and Hydrogen Plasmas in the Divertor Legs of the Stochastic Layer in LHD: The Japan Society of Plasma Science and Nuclear Fusion Research, 3402058– p.

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