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Impact of Pellet Injection on Extension of Operational Region in LHD
http://hdl.handle.net/10655/3219
http://hdl.handle.net/10655/3219e043569b-8541-446a-bb7d-806bf82694ae
名前 / ファイル | ライセンス | アクション |
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NIFS-648.pdf (1.8 MB)
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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 | Impact of Pellet Injection on Extension of Operational Region in 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 | Sorrento | |||||
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 | |||||
著者 |
Sakamoto, R.
× Sakamoto, R.× Yamada, H.× Tanaka, K.× Narihara, K.× Morita, S.× Sakakibara, S.× Masuzaki, S.× Baylor, L. R.× Fisher, P. W.× Combs, S. K.× Gouge, M. J.× Kato, S.× Komori, A.× Kaneko, O.× Ashikawa, N.× de, Varies, P.× Emoto, M.× Funaba, H.× Goto, M.× Ida, K.× Idei, H.× Ikeda, K.× Inagaki, S.× Isobe, M.× Kado, S.× Kawahata, K.× Khlopenkov, K.× Kubo, S.× Kumazawa, R.× Minami, T.× Miyazawa, J.× Morisaki, T.× Murakami, S.× Muto, S.× Mutoh, T.× Nagayama, Y.× Nakamura, Y.× Nakanishi, H.× Nishimura, K.× Noda, N.× Notake, T.× Kobuchi, T.× Liang, Y.× Ohdachi, S.× Ohyabu, N.× Oka, Y.× Osakabe, M.× Ozaki, T.× Pavlichenko, R. O.× Peterson, B. J.× Sagara, A.× Saito, K.× Sasao, H.× Sasao, M.× Sato, K.× Sato, M.× Seki, T.× Shimozuma, T.× Shoji, M.× Sudo, S.× Suzuki, H.× Takechi, M.× Takeiri, Y.× Tamura, N.× Toi, K.× Tokuzawa, T.× Torii, Y.× Tsumori, K.× Yamada, I.× Yamaguchi, S.× Yamamoto, S.× Yoshimura, Y.× Watanabe, K.Y.× Watari, T.× Yamazaki, K.× Hamada, Y.× Motojima, O.× Fujiwara, M. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Pellet injection has been used as a primary fueling scheme in Large Helical Device (LHD). Pellet injection has extended an operational region of NBI plasmas to higher densities with maintaining preferable dependence of energy confimement on density, and achieved several important data, such as plasma stored energy (0.88 MJ), energy confinement time (0.3 s), beta (2.4% at 1.3 T) and density (1.1xl0^20 m^-3). These parameters cannot be attained by gas puffing. Ablation and subsequent behavior of plasma has been investigated. Measured pellet penetration depth that is estimated by duration of the H alpha emission is shallower than predicted penetration depth from the simple neutral gas shielding (NGS) model. The penetration depth can be explained by NGS model with fast ion effect on the ablation. Just after ablation, redistribution of ablated pellet mass was observed in short time (~ 400 mus). The redistribution causes shallow deposition and low fueling efficiency. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2000-09-01 |
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報告書番号 | ||||||
NIFS-648 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |