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Photon Trapping Effects in DEMO Divertor Plasma
https://repo.qst.go.jp/records/48169
https://repo.qst.go.jp/records/481695252d79a-84f4-41c1-bf9e-4b6026a60293
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-07-24 | |||||
タイトル | ||||||
タイトル | Photon Trapping Effects in DEMO Divertor Plasma | |||||
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 |
星野, 一生
× 星野, 一生× 澤田圭司× 出井諒× 徳永, 晋介× 朝倉, 伸幸× 清水, 勝宏× 大野哲靖× 星野 一生× 徳永 晋介× 朝倉 伸幸× 清水 勝宏 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the DEMO divertor, the neutral density becomes high to produce the full detachment and therefore the photon trapping can become important. In this paper, effects of the photon trapping on the DEMO divertor plasma has been studied. The pre-evaluation of the photon trapping effects on the fixed background plasma profile was carried out by using an iterative self-consistent collisional radiative model. The recombining plasma near the inner target and the private region changed to the ionizing plasma by the photon-excitation. Based on the pre-evaluation result, the database of the effective ionization rate coefficient including the photon transport inside a 2 mm sphere. Advantage of the 2 mm sphere approximation is that the extra calculation cost is not necessary. Iterative calculation of the SONIC including the photon trapping effects was carried out. While the electron density increased and the neutral density decreased in the wide region, the electron density decreases close to the inner strike point. This may be due to decrease in the ionization rate by decrease in the neutral density. | |||||
書誌情報 |
Contributions to Plasma Physics 巻 56, 号 6/8, p. 657-662, 発行日 2016-08 |
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出版者 | ||||||
出版者 | WILEY-VCH Verlag GmbH & Co. KGaA | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1521-3986 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/ctpp.201610039 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://onlinelibrary.wiley.com/doi/10.1002/ctpp.201610039/full | |||||
関連名称 | http://onlinelibrary.wiley.com/doi/10.1002/ctpp.201610039/full |