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Study of Toroidal Current Penetration during Current Ramp in JIPP T-IIU with Fast Response Zeeman Polarimeter
http://hdl.handle.net/10655/2761
http://hdl.handle.net/10655/2761e0d2810a-a1bf-4dab-bc2c-cfe57ceefbae
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Study of Toroidal Current Penetration during Current Ramp in JIPP T-IIU with Fast Response Zeeman Polarimeter | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Tokamak Plasma | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Toroidal Current Penetration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Zeeman Polarimeter | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Neoclassical Electrical Conductivity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Tearing Modes | |||||
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 |
"Kuramoto, H.
× "Kuramoto, H.× Toi, K.× Haraki, N.× Sato, K.× Xu, J.× Ejiri, A.× Narihara, K.× Seki, T.× Ohdachi, S.× Adati, K.× Akiyama, R.× Hamada, Y.× Hirokura, S.× Kawahata, K.× Kojima, M." |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "The toroidal current penetration is studied in current ramp experiments of the JIPP T-IIU tokamak. The poloidal magnetic field profile in the peripheral region of a plasma (0.5 leq rho leq 1.0) has been measured directly with a newly developed fast response Zeeman polarimeter. The experimental results indicate that an obvious skin effect of toroidal current density is clearly observed during both the current ramp-up and ramp-down experiments. The experimentally obtained toroidal current density profiles are well described by the profiles calculated on the assumption of the neoclassical electrical conductivity. Quasi-linear Delta'-analysis of tearing modes for the measured current density profile is consistent with time behaviour of coherent MHD modes such as m=4/n=1 or m=3/n=1 (m: poloidal mode number, n: toroidal mode number) often observed during the current ramp-up phase. The effect of these MHD modes on current penetration during the current ramp-up discharges is studied." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1997-01-01 |
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報告書番号 | ||||||
NIFS-477 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |