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Toroidal rotation induced by asymmetric cyclotron resonance absorption in minority ICRF-heated tokamak plasmas

Y. Xu, S. Wang, D. Zhang2016年被引用 2Nuclear FusionIF 3出版社

A new mechanism of ion cyclotron range of frequency (ICRF)-induced rotation is proposed to explain the toroidal rotation with minority ICRF heating without net momentum injection. For ICRF waves launched with the symmetric spectrum, a nonlinear toroidal force can be generated through the asymmetric absorption of the toroidal wave momentum, which is due to the finite toroidal rotation of minority ions. This ICRF-induced toroidal force can drive a significant toroidal rotation of bulk ions.

日本語訳

核融合プラズマにおけるイオンサイクロトロン周波数帯(ICRF)加熱によるトロイダル回転の新しい機構を提案し、正味の運動量注入を伴わないマイノリティICRF加熱によるトロイダル回転を説明する。対称スペクトルで励起されたICRF波の場合、トロイダル方向の波動運動量の非対称吸収を通じて非線形のトロイダル力が生成され得る。これは、マイノリティイオンの有限なトロイダル回転に起因する。このICRF誘起トロイダル力は、バルクイオンの顕著なトロイダル回転を駆動し得る。

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Ion cyclotron heatingCyclotron resonanceToroidal rotation
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