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Rotation-transport threshold model of neoclassical tearing modes

机译：新古典撕裂模式的旋转运输阈值模型

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A rotation-tran sport threshold model of neoclassical tearing modes (NTMs) is suggested. It is assumed that weakening of the bootstrap current effect is determined by competition of perpendicular transport and island rotation, which is in contrast to the known transport threshold models dealing with the parallel transport or parallel convection instead of island rotation. It is shown that for sufficiently strong island rotation the perpendicular transport does not lead to decreasing the bootstrap current contribution into the island width evolution equation. It is explained that the island rotation can prevail over the parallel transport/convection mainly for the case of ion contribution into the bootstrap current effect. Interrelation between the rotation-tran sport threshold model and the known ones is discussed. A generalized transport threshold model of NTMs describing the competition of the perpendicular transport with the island rotation, parallel transport and parallel convection is formulated. It is shown that the perpendicular transport can lead to weakening the bootstrap drive contribution only if it overpowers all the competitive effects. [References: 20]
机译：建议使用新古典撕裂模式（NTM）的旋转运动阈值模型。假定通过垂直传输和孤岛旋转的竞争来确定自举电流效应的减弱，这与处理平行传输或平行对流而不是孤岛旋转的已知传输阈值模型相反。结果表明，对于足够强的孤岛旋转，垂直传输不会导致自举电流对孤岛宽度演化方程的影响减小。据解释，主要是在离子对自举电流效应起作用的情况下，孤岛旋转可以胜过平行传输/对流。讨论了旋转运动阈值模型与已知阈值模型之间的相互关系。建立了NTMs的广义运输阈值模型，该模型描述了垂直运输与孤岛旋转，平行​​运输和平行对流的竞争。结果表明，垂直运输只有在克服所有竞争影响的情况下，才能导致自举驱动作用减弱。 [参考：20]

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