Study of the generation and suppression of runaway currents in provoked disruptions in J-TEXT

被引：3

作者：

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

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

Zhang, Y. ^{[1
]}

Jin, W. ^{[1
]}

Fang, D. ^{[1
]}

Ba, W. G. ^{[1
]}

Wang, Z. J. ^{[1
]}

Zhang, M. ^{[1
]}

Yang, Z. J. ^{[1
]}

Ding, Y. H. ^{[1
]}

Zhuang, G. ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China

来源：

PHYSICS LETTERS A | 2012年 / 376卷 / 24-25期

关键词：

Runaway current; Disruption; FAST PLASMA SHUTDOWN; ELECTRON GENERATION; MAJOR DISRUPTIONS; JT-60U; MITIGATION; JET; TERMINATION; TOKAMAK; ITER;

D O I：

10.1016/j.physleta.2012.05.004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Runaway currents following disruptions have an important effect on the first wall for the next generation tokamak. The behaviors of runaway currents following intentional provoked disruptions have been investigated in the J-TEXT tokamak. It is found that the runaway current generation following provoked disruptions depends on both the toroidal magnetic field and the plasma current. The conversion efficiency of pre-disruptive plasma currents into runaway currents is in the ranges of 30% to 60% in J-TEXT. The runaway currents can be avoided by the intensive gas puffing of H-2 due to the low multiplication factor in J-TEXT. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1937 / 1941

页数：5

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