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Plasma Performance and Impurity Behavior in Long Pulse Discharges on LHD
http://hdl.handle.net/10655/2542
http://hdl.handle.net/10655/2542ed9f6339-1efd-4b62-9605-39461ec255b0
Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Plasma Performance and Impurity Behavior in Long Pulse Discharges on LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | IAEA | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fusion energy conference | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lyon | |||||
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 |
"Nakamura, Y.
× "Nakamura, Y.× Takeiri, Y.× Kumazawa, R.× Osakabe, M.× Seki, T.× Peterson, B. J.× Ida, K.× Tamura, N.× Komori, A.× Morita, S.× Narihara, K.× Nagayama, Y.× Sato, K.× Tokuzawa, T.× Noda, N.× Mutoh, T.× Shimozuma, T.× Kawahata, K.× Funaba, H.× Goto, M.× Ikeda, K.× Inagaki, S.× Masuzaki, S.× Miyazawa, J.× Morisaki, T.× Muto, S.× Oka, Y.× Sakakibara, S.× Suzuki, H.× Tanaka, K.× Watari, T.× Yamada, H.× Yokoyama, M.× Yoshimura, Y.× Ohyabu, N.× Sudo, S.× Matsuoka, K.× Motojima, O.× LHD, experimental group" |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "The superconducting machine LHD has conducted long pulse experiments for four years to achieve long-duration plasmas with high performance. The operational regime was largely extended in the discharge duration and the plasma density. In this paper, the plasma characteristics, in particular, plasma performance and impurity behavior in long pulse discharges are described. Confnement studies show that global energy confinement times are compared with those in short-pulse discharges. Long sustainment of high performance plasma, which is equivalent to the previous achievement in other devices, was demonstrated. Long pulse discharges enabled us to investigate impurity behavior in a long time-scale. Intrinsic metallic impurity accumulation was observed in a narrow density window (2~3 x 10^19 m^-3) only for hydrogen discharges. Finally, impurity accumulation control with an externally induced magnetic island at the plasma edge was demonstrated." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2002-10-01 |
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報告書番号 | ||||||
NIFS-744 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |