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

来源：

PLASMA SCIENCE & TECHNOLOGY | 2011年 / 13卷 / 02期

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

页码：153 / 156

页数：4

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