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  1. NIFS Series
  2. NIFS Report

Advanced Divertor Scenario in the Large Helical Device

http://hdl.handle.net/10655/2669
http://hdl.handle.net/10655/2669
6facff06-5d56-47ad-8380-9c2b9d3f635c
Item type 研究報告書 / Research Paper(1)
公開日 2010-02-05
タイトル
タイトル Advanced Divertor Scenario in the Large Helical Device
言語 en
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_18ws
資源タイプ research report
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 "Masuzaki, S.

× "Masuzaki, S.

en "Masuzaki, S.

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Shoji, M.

× Shoji, M.

en Shoji, M.

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Kobayashi, M.

× Kobayashi, M.

en Kobayashi, M.

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Sakamoto, R.

× Sakamoto, R.

en Sakamoto, R.

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Morisaki, T.

× Morisaki, T.

en Morisaki, T.

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Tokitani, M.

× Tokitani, M.

en Tokitani, M.

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Yonezu, H.

× Yonezu, H.

en Yonezu, H.

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Murase, T.

× Murase, T.

en Murase, T.

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Ohyabu, N.

× Ohyabu, N.

en Ohyabu, N.

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Yamada, H.

× Yamada, H.

en Yamada, H.

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Komori, A.

× Komori, A.

en Komori, A.

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Motojima, O.

× Motojima, O.

en Motojima, O.

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the, LHD experimental group"

× the, LHD experimental group"

en the, LHD experimental group"

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抄録
内容記述タイプ Abstract
内容記述 "Neutral particle behavior in the Large Helical Device heliotron has been investigated to conduct the effective particle control using the intrinsic helical divertor. The torus in out asymmetry was observed in the neutral pressure distribution, and the degree of the asymmetry depends on the divertor particle flux distribution, and thus, on the operational magnetic configuration. This asymmetry was well reproduced by the fully three-dimensional neutral transport code, EIRENE. Degradation of the plasma confinement with increasing of the neutral pressure was observed, and that suggests the effective particle control is necessary for the sustaining of long discharge with high performance plasma and the further improvement of the confinement. The modification of the open helical divertor to the closed one is planned for the particle control using helical divertor. It has been investigated using EIRENE code. Results of the calculation show that proper rearrangement of divertor plates and additional components, such as dome structure make the neutral particles to be compressed well in the divertor region, and effective divertor pumping to be possible. Based on the simulation and experimental results, design and installation of closed helical divertor is programmed in the Large Helical Device in the near future."
書誌情報 en : Research Report NIFS-Series

発行日 2008-10-01
報告書番号
NIFS-897
ISSN
収録物識別子タイプ ISSN
収録物識別子 0915-633X
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