Recent Results of LHCD Experiments in EAST

被引:16
|
作者
Ding Bojiang [1 ]
Kong Erhua [1 ]
Li Miaohui [1 ]
Qin Yongliang [1 ]
Zhang Lei [1 ]
Ekedahl, A. [2 ]
Peysson, Y. [2 ]
Wang Mao [1 ]
Xu Handong [1 ]
Hu Huaichuan [1 ]
Huang Yiyun [1 ]
Xu Guosheng [1 ]
Shan Jiafang [1 ]
Liu Fukun [1 ]
Zhao Yanping [1 ]
Gao Xiang [1 ]
Wan Baonian [1 ]
Li Jiangang [1 ]
机构
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
[2] CEA IFRM Cadarache 13108, St Paul Les Durance, France
基金
中国国家自然科学基金;
关键词
LHCD; LHW-plasma coupling; configuration; OHMIC-HEATING TRANSFORMER; HYBRID CURRENT DRIVE; TOKAMAK; PLASMAS; WAVES; ASDEX;
D O I
10.1088/1009-0630/13/2/05
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
Lower hybrid wave (LHW)-plasma coupling and lower hybrid current drive (LHCD) experiments in divertor, including single-null and double-null, and limiter configurations were conducted systematically in EAST. A maximum power for launched LHW is 1.4 MW and the plasma current with LHCD is about 1 MA. It is indicated that the coupling is best in limiter configuration, then in single-null one, while worst in double-null one. Study in current drive efficiency by a least squares fit shows that there is no obvious difference in drive efficiency between the double-null and the single-null cases, whereas the efficiency is a slightly lower in the limiter case. The effect of plasma density on the current drive efficiency is due to the influence of density on impurity concentration.
引用
收藏
页码:153 / 156
页数:4
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