Investigation of electron cyclotron current drive efficiency on the J-TEXT tokamak

被引：0

作者：

方建港 ^{[1
]}

严伟 ^{[1
]}

陈忠勇 ^{[1
]}

张霄波 ^{[1
]}

陈曦璇 ^{[1
]}

张俊利 ^{[1
]}

毛飞越 ^{[1
]}

李由 ^{[1
]}

牟玲可 ^{[1
]}

钟昱 ^{[1
]}

李峰 ^{[1
]}

张维康 ^{[1
]}

刘凡溪 ^{[1
]}

邹癸南 ^{[1
]}

周松 ^{[1
]}

李达 ^{[1
]}

高丽 ^{[1
]}

夏冬辉 ^{[1
]}

杨州军 ^{[1
]}

陈志鹏 ^{[1
]}

王能超 ^{[1
]}

丁永华 ^{[1
]}

梁云峰 ^{[1
,2
,3
]}

潘垣 ^{[1
]}

the JTEXT Team ^{[1
]}

机构：

[1] International Joint Research Laboratory of Magnetic Confinement Fusion and Plasma Physics,State Key Laboratory of Advanced Electromagnetic Engineering and Technology,School of Electrical and Electronic Engineering,Huazhong University of Science and Technol

[2] Institute of Plasma Physics,Chinese Academy of Sciences

[3] Forschungszentrum Jülich GmbH,Institut für Energie-und Klimaforschung—Plasmaphysik

来源：

Plasma Science and Technology | 2022年 / 12期

关键词：

D O I：

暂无

中图分类号：

TL631.24 [];

学科分类号：

082701 ;

摘要：

Electron cyclotron current drive（ECCD） efficiency research is of great importance for the neoclassical tearing mode（NTM） stabilization.Improving ECCD efficiency is beneficial for the NTM stabilization and the ECCD power threshold reduction.ECCD efficiency has been investigated on the J-TEXT tokamak.The electron cyclotron wave（ECW） power scan was performed to obtain the current drive efficiency.The current drive efficiency is derived to be approximately η0=（0.06-0.16）×1019 A m-2 W-1 on the J-TEXT tokamak.The effect of the residual toroidal electric field has been included in the determination of the current drive efficiency,which will enhance the ECCD efficiency.At the plasma current of Ip=100 kA and electron density of ne=1.5×1019m-3,the ratio of Spitzer conductivity between omhic（OH）and ECCD phases is considered and the experimental data have been corrected.The correction results show that the current drive efficiency η1 caused by the fast electron hot conductivity decreases by approximately 79%.It can be estimated that the driven current is approximately 24 kA at 300 kW ECW power.

引用

页码：183 / 189

页数：7

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