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The influence of energetic ions on resistive wall mode in reversed field pinch

Huishan Cai, Jintao Cao, Ding Li2014年被引用 5Nuclear FusionIF 3出版社

A stability analysis of the circulating energetic ions (CEIs) on resistive wall mode is carried out in the reversed field pinch (RFP). In contrast to the minor resonant effects of CEI on resistive wall mode (RWM) in tokamak, the resonant interaction between RWM and CEI is important for high toroidal mode number in RFP with high beta value. The resonance provides an energy dissipation channel of free energy, and stabilizes RWM. As the fraction of CEI is large enough, the RWM is fully suppressed by CEI in the low plasma rotation, even vanishing rotation. Further, a possibility to suppress the RWM by CEI is suggested.

日本語訳

反転磁場ピンチ(RFP)における抵抗性壁モードに対する循環高エネルギーイオン(CEI)の安定性解析が実施された。トカマクにおける抵抗性壁モード(RWM)に対するCEIの副次的な共鳴効果とは対照的に、高ベータ値のRFPにおいて高トロイダルモード数では、RWMとCEIの間の共鳴相互作用が重要である。この共鳴は自由エネルギーの散逸チャネルを提供し、RWMを安定化する。CEIの割合が十分に大きい場合、低プラズマ回転においてもRWMはCEIによって完全に抑制され、回転がゼロの場合でも抑制される。さらに、CEIによるRWMの抑制の可能性が示唆される。

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Energetic ionReversed field pinchResistive wall mode
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