Electron heating by ion Bernstein wave in the HT-7 tokamak

被引：32

作者：

Zhao, YP ^{[1
]}

Li, J ^{[1
]}

Luo, JR ^{[1
]}

Wan, BN ^{[1
]}

Mao, YZ ^{[1
]}

Bao, Y ^{[1
]}

Lin, BL ^{[1
]}

Gong, XZ ^{[1
]}

Gao, X ^{[1
]}

Yang, XK ^{[1
]}

Jie, YX ^{[1
]}

Liu, S ^{[1
]}

Liu, SX ^{[1
]}

Xie, JK ^{[1
]}

Wan, YX ^{[1
]}

机构：

[1] Acad Sinica, Inst Plasma Phys, Hefei 230031, Peoples R China

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2001年 / 43卷 / 03期

关键词：

D O I：

10.1088/0741-3335/43/3/309

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：

Ion Bernstein wave (IBW) heating has been investigated in the HT-7 superconducting tokamak. Electron heating mode was concentrated on deuterium plasma with an injecting power to 320 kW. The bulk electron temperature showed a significant rise with a heating factor, DeltaT(e) x n(e)/P-RF, up to 9.4 eV x 10(13) cm(-3) kW(-1). The direct electron heating via electron Landau damping from IBW has been demonstrated after intensive RF wall conditioning. Both on-axis and off-axis electron heating were obtained. Electron temperature profile was modified by IBW under different plasma conditions. Edge density showed no sharp drop during IBW heating. Plasma density and temperature remained almost unchanged in front of antenna. But edge temperature and density inside of plasma visibly increased and their profiles became steeper. Particle confinement improvement was observed by IBW.

引用

页码：343 / 353

页数：11

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