Short Wavelength Ion Temperature Gradient Driven Instability in Noncircular Flux Surface Plasmas with Finite Aspect Ratio
WANG Ying, GAO Zhe
Department of Engineering Physics, Tsinghua University, Beijing 100084
Short Wavelength Ion Temperature Gradient Driven Instability in Noncircular Flux Surface Plasmas with Finite Aspect Ratio
WANG Ying;GAO Zhe
Department of Engineering Physics, Tsinghua University, Beijing 100084
关键词 ：
52.35.-g ,
52.35.Kt ,
52.35.Qz ,
52.55.-s
Abstract ： By employing the local equilibrium of shaped tokamak plasmas, a gyrokinetic model with integral eigenmode equations is developed to investigate effects of the finite aspect ratio and noncircular flux surface on short wavelength ion temperature gradient (SWITG) driven modes. It is found that when nonadiabatic electron and trapped particle effects are not considered, the SWITG mode can be stabilized by finite aspect ratio A, elongation k and triangularity δ, and can be destabilized by the Shafranov shift gradient ∂R0 /∂r.
Key words ：
52.35.-g
52.35.Kt
52.35.Qz
52.55.-s
出版日期: 2006-08-01
:
52.35.-g
(Waves, oscillations, and instabilities in plasmas and intense beams)
52.35.Kt
(Drift waves)
52.35.Qz
(Microinstabilities (ion-acoustic, two-stream, loss-cone, beam-plasma, drift, ion- or electron-cyclotron, etc.))
52.55.-s
(Magnetic confinement and equilibrium)
引用本文:
WANG Ying;GAO Zhe. Short Wavelength Ion Temperature Gradient Driven Instability in Noncircular Flux Surface Plasmas with Finite Aspect Ratio[J]. 中国物理快报, 2006, 23(8): 2151-2154.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I8/2151
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2006, Vol. 23 
