Electron Cyclotron/Bernstein Wave Heating and Current Drive Experiments using Phased-array Antenna in QUEST

被引:1
|
作者
Idei, H. [1 ]
Zushi, H. [1 ]
Hanada, K. [1 ]
Nakamura, K. [1 ]
Fujisawa, A. [1 ]
Hasegawa, M. [1 ]
Yoshida, N. [1 ]
Sakamoto, M. [2 ]
Watanebe, H. [1 ]
Tokunaga, K. [1 ]
Nagashima, Y. [1 ]
Ejiri, A. [3 ]
Sakaguchi, M. [4 ]
Kalinnikova, E. [4 ]
Ishiguro, M. [4 ]
Tashima, S. [4 ]
Fukuyama, A. [5 ]
Igami, H. [6 ]
Kubo, S. [6 ]
Sharma, S. K. [4 ]
Ryokai, T. [4 ]
Liu, H. Q. [4 ]
Isobe, M. [6 ]
Nagaoka, K. [6 ]
Nakanishi, H. [6 ]
Nishino, N. [7 ]
Kawasaki, S. [1 ]
Nakashima, H. [1 ]
Higashijima, A. [1 ]
Takase, Y.
Maekawa, T. [8 ]
Mitarai, O. [9 ]
Kikuchi, M. [10 ]
Toi, K. [6 ]
机构
[1] Res Inst Fus Sci, Kasuga, Fukuoka 8168580, Japan
[2] Univ Tsukuba, Plasma Res Ctr, Tsukuba, Ibaraki 305, Japan
[3] Univ Tokyo, Dept Complex Sci & Eng, Kashiwa, Chiba 2778561, Japan
[4] Kyushu Univ, Interdisciplinary Grad Sch Eng Sci, Kasuga, Fukuoka 816, Japan
[5] Kyoto Univ, Dept Nucl Engn, Kyoto 602, Japan
[6] Natl Inst Fus Sci, Toki, Gifu 5095292, Japan
[7] Hiroshima Univ, Mech Syst Engn, Hiroshima 7398527, Japan
[8] Kyoto Univ, Grad Sch Energy Sci, Kyoto 606, Japan
[9] Tokai Univ, Inst Ind Sci & Tech Res, Kumamoto 862, Japan
[10] Japan Atom Energy Agcy, Naka, Ibaraki 3110193, Japan
关键词
Electron Cyclotron Wave; Electron Bernstein Wave; RF Heating; Current Drive; Phased-array Antenna; BERNSTEIN WAVES;
D O I
10.1063/1.3665017
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
The phased-array antenna system for Electron Cyclotron/Bernstein Wave Heating and Current Drive experiments has been developed in the QUEST. The antenna was designed to excite a pure O-mode wave in the oblique injection for the O-X-B mode conversion experiments, and its good performances were confirmed at a low power level. The plasma current (< similar to 15kA) with an aspect ratio of 1.5 was started up and sustained by only RF injection in the low-density operations. The long pulse discharge of 10 kA was also attained for 37 s. The new density window to sustain the plasma current was observed in the high-density plasmas. The single-null divertor configuration with the high plasma current (<similar to 25kA) was attained in the 17 s plasma sustainment.
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页数:4
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