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  1. 原著論文

Effects of Classical and Neo-classical Cross-field Transport of Tungsten Impurity in Realistic Tokamak Geometry

https://repo.qst.go.jp/records/48282
https://repo.qst.go.jp/records/48282
8c2fd04f-c544-439a-a92f-0cec880c7b92
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-08-07
タイトル
タイトル Effects of Classical and Neo-classical Cross-field Transport of Tungsten Impurity in Realistic Tokamak Geometry
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
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 矢本, 昌平

× 矢本, 昌平

WEKO 485214

矢本, 昌平

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本間, 裕貴

× 本間, 裕貴

WEKO 485215

本間, 裕貴

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井上, 春如

× 井上, 春如

WEKO 485216

井上, 春如

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澤田, 悠

× 澤田, 悠

WEKO 485217

澤田, 悠

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星野, 一生

× 星野, 一生

WEKO 485218

星野, 一生

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畑山, 明聖

× 畑山, 明聖

WEKO 485219

畑山, 明聖

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BONNIN, Xavier

× BONNIN, Xavier

WEKO 485220

BONNIN, Xavier

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COSTER, David

× COSTER, David

WEKO 485221

COSTER, David

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SCHNEIDER, Ralf

× SCHNEIDER, Ralf

WEKO 485222

SCHNEIDER, Ralf

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本間 裕貴

× 本間 裕貴

WEKO 485223

en 本間 裕貴

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星野 一生

× 星野 一生

WEKO 485224

en 星野 一生

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抄録
内容記述タイプ Abstract
内容記述 The initial simulation study of the neoclassical perpendicular self-diffusion transport in the SOL/Divertor regions for a realistic tokamak geometry with the IMPGYRO code has been performed in this paper. One of the most unique features of the IMPGYRO code is calculating exact Larmor orbit of the test particle instead of assuming guiding center approximation. Therefore, effects of the magnetic drifts in realistic tokamaks are naturally taken into account in the IMPGYRO code. This feature makes it possible to calculate neoclassical transport processes, which possibly become large in the SOL/divertor plasma. Indeed, neoclassical self-diffusion process, the resultant effect of the combination of magnetic drift and Coulomb collisions with background ions, has already been included in the IMPGYRO model. In the present paper, prior to implementing the detailed model of neoclassical transport process into IMPGYRO, we have investigated the effect of neoclassical self-diffusion in a realistic tokamak geometry with lower single null X-point. We also use a model with guiding center approximation in order to compare with the IMPGYRO full orbit model. The preliminary calculation results of each model have shown differences in the perpendicular average velocity of impurity ions at the top region of the SOL. The mechanism which leads to the difference has been discussed.
書誌情報 Contributions to Plasma Physics

巻 56, 号 6/8, p. 646-650, 発行日 2016-08
出版者
出版者 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
DOI
識別子タイプ DOI
関連識別子 10.1002/ctpp.201610068
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