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Physics and stabilization of resistive wall modes in tokamaks

A Bondeson, Y Q Liu, D Gregoratto, C M Fransson, Y Gribov2003年Plasma Physics and Controlled FusionIF 2.2出版社

The theory of resistive wall modes (RWMs) is discussed and compared with experimental results. Special attention is given to the possibilities of stabilizing the RWM by plasma rotation and active feedback. A simple cylindrical model is used to illustrate various aspects of active control. Fully toroidal computations are also presented, including predictions for RWM stabilization in ITER. According to ideal MHD, robust control of RWM should be straightforward. Theory for stabilization by rotation is discussed, and a semikinetic model is introduced, which compares favourably with experiment. The semikinetic model produces somewhat lower rotation thresholds than previous models.

日本語訳

抵抗性壁モード(RWM)の理論を議論し、実験結果と比較する。特に、プラズマ回転と能動フィードバックによるRWMの安定化の可能性に注目する。単純な円筒モデルを用いて、能動制御のさまざまな側面を説明する。また、完全トロイダル計算も提示し、ITERにおけるRWM安定化の予測を含める。理想MHDによれば、RWMの堅牢な制御は単純であるはずである。回転による安定化の理論を議論し、実験と良好に一致する半運動論的モデルを導入する。半運動論的モデルは、従来のモデルよりもわずかに低い回転閾値を示す。

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Resistive wall mode
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