Investigation of the effect of electron cyclotron heating on runaway generation in the KSTAR tokamak

被引：4

作者：

Chen, Z. Y. ^{[1
]}

Kim, W. C. ^{[1
]}

England, A. C. ^{[1
]}

Yoon, S. W. ^{[1
]}

Lee, K. D. ^{[1
]}

Lee, Y. S. ^{[1
]}

Yoo, J. W. ^{[1
]}

Yu, Y. W. ^{[1
]}

Oh, Y. K. ^{[1
]}

Kwak, J. G. ^{[1
]}

Kwon, M. ^{[1
]}

机构：

[1] Natl Fus Res Inst, Taejon 305333, South Korea

来源：

PHYSICS LETTERS A | 2011年 / 375卷 / 26期

关键词：

Runaway electron; Fast electron; ECH; DISRUPTION MITIGATION; CURRENT DRIVE; DIII-D; JET; TERMINATION; DISCHARGES; DYNAMICS; PLASMAS; UPGRADE;

D O I：

10.1016/j.physleta.2011.04.032

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Wave enhanced runaway generation is expected to play an important role in the conversion of plasma current into runaway current during major disruptions. The fast electrons created by electron cyclotron heating (ECH) were used to study this issue in KSTAR. It is found that the fast electrons driven by ECH can enhance runaway production in the flat top phase with high loop voltage. The runaway current in disruptions was not enhanced by the ECH produced fast electron population due to the strong magnetic fluctuations which inhibited the generation of runaway electrons. It is found that a complete loss of existing REs during thermal quench has occurred in KSTAR limiter configuration discharges. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2569 / 2572

页数：4

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