WEKO3
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"Physical Design of MW-class Steady-state Spherical Tokamak, QUEST"
http://hdl.handle.net/10655/3030
http://hdl.handle.net/10655/3030cf747272-284f-4780-aea1-09e241396763
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 | "Physical Design of MW-class Steady-state Spherical Tokamak, QUEST" | |||||
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 |
"Hanada, K.
× "Hanada, K.× Sato, K. N.× Zushi, H.× Nakamura, K.× Sakamoto, M.× Idei, H.× Hasegawa, M.× Takase, Y.× Mitarai, O.× Maekawa, T.× Kishimoto, Y.× Ishiguro, M.× Yoshinaga, T.× Igami, H.× Kawasaki, S.× Nakashima, H.× Higashijima, A.× Higashizono, Y.× Ando, A.× Asakura, N.× Ejiri, A.× Hirooka, Y.× Ishida, A.× Komori, A.× Matsukawa, M.× Motojima, O.× Ogawa, Y.× Ohno, N.× Ono, Y.× Peng, M.× Sudo, S.× Yamada, H.× Yoshida, N.× Yoshida, Z." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "QUEST (R=0.68m, a=0.4m) focuses on the steady state operation of the spherical tokamak (ST) by controlled PWI and electron Bernstain wave (EBW) current drive (CD). The QUEST project will be developed along two phases, phase I: steady state operation with plasma current, I_p=20-30kA on open divertor configuration and phase II: steady state operation with I_p=100kA and β of 10% in short pulse on closed divertor configuration. Feasibility of the missions on QUEST was investigated and the suitable machine size of QUEST was decided based on the physical view of plasma parameters. Electron Bernstein wave (EBW) current drive are planned to establish the maintenance of plasma current in steady state. Mode conversion efficiency to EBW was calculated and the conversion of 95% will be expected. A new type antenna for QUEST has been fabricated to excite EBW effectively. The situation of heat and particle handling is challenging, and W and high temperature wall is adopted. The start-up scenario of plasma current was investigated based on the driven current by energetic electron and the most favorable magnetic configuration for start-up is proposed." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 2008-10-01 |
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報告書番号 | ||||||
NIFS-944 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |