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Dynamic Behavior Associated with Electric Field Transitions in CHS Heliotron/Torsatron
http://hdl.handle.net/10655/2451
http://hdl.handle.net/10655/2451dcd7ded7-be5d-48b3-a314-521e49e98912
名前 / ファイル | ライセンス | アクション |
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NIFS-561.pdf (473.3 kB)
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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 | Dynamic Behavior Associated with Electric Field Transitions in CHS Heliotron/Torsatron | |||||
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 | Yokohama | |||||
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 |
Fujisawa, A.
× Fujisawa, A.× Iguchi, H.× Lee, S.× Tanaka, K.× Minami, T.× Yoshimura, Y.× Osakabe, M.× Matsuoka, K.× Okamura, S.× Idei, H.× Kubo, S.× Ohdachi, S.× Morita, S.× Akiyama, R.× Toi, K.× Sanuki, H.× Itoh, K.× Ida, K.× Shimizu, A.× Takagi, S.× Takahashi, C.× Kojima, M.× Hidekuma, S.× Nishimura, S.× Isobe, M.× Ejiri, A.× Inoue, N.× Sakamoto, R.× Hamada, Y.× Fujiwara, M. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A new kind of oscillatory steady state is discovered in observation of potential with a heavy ion beam probe in Compact Helical System Heliotron/Torsatron. Bulk plasma parameters, such as electron temperature and density profile, change being synchronized with the pulsation of potential. The phenomenon can be regarded as successive transitions between two bifurcative states of the plasma. The pulsation can be self-sustained and create a dynamic steady state in low density plasma with electron cyclotron heating. The cause of phenomenon is associated with the bifurcation nature of radial electric field, that is inherent with toroidal heiical plasmas. This paper presents two examples of the phenomenon in different density regimes. Dependence of pulsation characteristics on several parameters is described. The bifurcation property predicted by a neoclassical theory is presented for comparison with the experimental observations. | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1998-10-01 |
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報告書番号 | ||||||
NIFS-561 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |