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核聚变与等离子体物理 ›› 2006, Vol. 26 ›› Issue (4): 268-271.

• 研究报告 • 上一篇    下一篇

Study of ion temperature gradient driven instability from reduced Braginskii equations

JIANG Hai-bin,WANG Ai-ke   

  1. (Southwestern Institute of Physics,Chengdu 610041)
  • 收稿日期:2006-03-07 修回日期:2006-08-28 出版日期:2006-12-15 发布日期:2011-12-26
  • 作者简介:JIANG Hai-bing(1978-),male,born in Fujian Province. Majoring in theoretic physics.

Study of ion temperature gradient driven instability from reduced Braginskii equations

JIANG Hai-bin,WANG Ai-ke   

  1. (Southwestern Institute of Physics,Chengdu 610041)
  • Received:2006-03-07 Revised:2006-08-28 Online:2006-12-15 Published:2011-12-26

摘要:

A new dispersion relation for the ion temperature gradient (ITG) driven instability in toroidal plasma is derived from the reduced Braginskii equations. It includes the effects of both the safety factor q and the adiabatic electron temperature gradient . The present model reproduces the basic properties of ITG instability obtained by previous works. On the other hand, it is found numerically that the safety factor q enhances the ITG instabilities while the quantity reduces them .

关键词: ITG instability, Safety factor, Branginskii equations

Abstract:

A new dispersion relation for the ion temperature gradient (ITG) driven instability in toroidal plasma is derived from the reduced Braginskii equations. It includes the effects of both the safety factor q and the adiabatic electron temperature gradient . The present model reproduces the basic properties of ITG instability obtained by previous works. On the other hand, it is found numerically that the safety factor q enhances the ITG instabilities while the quantity reduces them .

Key words: ITG instability, Safety factor, Branginskii equations

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