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Kinetic effects on ideal ballooning stability of the TJ-Ⅱhealiac device

机译:动力学对TJ-Ⅱ氦装置的理想球囊稳定性的影响

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摘要

Kinetic corrections to a previous ideal MHD ballooning stability study of the TH-Ⅱ heliac standard configuration are numerical calculated using a criterion derived from the gyrokinetic Maxwell equations for modes with perpendicular wavelengths on the scale of the ion gyroradius in A general magnetic geometry. In this criterion, finite ion gyroradius and trapped particle effects are Retained at first order. The existence of temperature gradients and different ion and electron tempera- Tures are accounted for. The relevant kinetic regime for TJ-Ⅱis found to be the intermediate frequency Regime, withω_bi,ω_ti<γ<ω_be,ω_te across all the relevant region whenever electron cyclotron res- Onance heating(ECRH)plasmas are considered.
机译:使用从陀螺动力学麦克斯韦方程导出的准则,对在常规磁几何学中具有垂直波长的离子陀螺半径范围内的垂直波长的模式,对以前对TH-Ⅱ螺旋桨标准配置的理想MHD球囊稳定性研究进行动力学校正。在此标准中,一阶保留了有限的离子陀螺半径和捕获的粒子效应。考虑了温度梯度的存在以及不同的离子和电子温度。发现TJ-Ⅱ的相关动力学机制是中频状态,只要考虑电子回旋加速器(ECRH)等离子体,在所有相关区域上的ω_bi,ω_ti<γ<ω_be,ω_te。

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