Shaping Effects of the E-Fishbone in Tokamaks

Shaping effects of the E-fishbone in tokamaks are investigated. Coordinates related to the Solov＇ev configuration are used to calculate the precession frequency and kinetic contribu- tion. It is shown that elongation does not change the precession frequency and the kinetic energy. Growth rates of th...

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Bibliographic Details
Published in:Plasma science & technology 2013, Vol.15 (1), p.12-16
Main Author: 王中 王龙 龙永兴 董家齐 何志雄 刘宇 唐昌建
Format: Article
Language:English
Subjects:
Elongation
Kinetic energy
Mathematical analysis
Precession
Sunist
Tokamaks
伸长率
动频率
成形
托卡马克
稳定作用
补偿作用
鱼刺
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Summary:Shaping effects of the E-fishbone in tokamaks are investigated. Coordinates related to the Solov＇ev configuration are used to calculate the precession frequency and kinetic contribu- tion. It is shown that elongation does not change the precession frequency and the kinetic energy. Growth rates of the E-fishbone vary with elongation which essentially has destabilizing effects. For elongated tokamaks, triangularity has a stabilizing effect on the modes which play a compensative role. The results may apply to Sunist.
ISSN:1009-0630
DOI:10.1088/1009-0630/15/1/03