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An equilibrium model for RFP plasmas in the presence of resonant tearing modes

机译:存在共振撕裂模式的RFP等离子体平衡模型

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The equilibrium of a finite-beta reversed field pinch (RFP) plasma in the presence of saturated-amplitude stationary tearing modes is investigated. The singularities of the magnetohydrodynamical force-balance equation J x B = delp at the rational surfaces of the modes are resolved through a proper regularization of the cylindrical symmetric component of the profiles, by setting to zero there the gradient of the pressure,and parallel current density. An equilibrium model, which satisfies the regularization rule at the various rational surfaces, is developed. The comparison with experimental data from the reversed field experiment (RFX) gives encouraging results. We will show that the model provides an easy tool for magnetic analysis. [References: 31]
机译:研究了在饱和振幅固定撕裂模式下有限β反向场收缩(RFP)等离子体的平衡。磁流体动力平衡方程J x B = delp在模态有理面上的奇异性通过适当地规范化轮廓的圆柱对称分量来解决,方法是在此处将压力梯度和平行电流设置为零密度。建立了一个满足各种有理表面的正则化规则的平衡模型。与来自反向野外实验(RFX)的实验数据的比较给出了令人鼓舞的结果。我们将证明该模型为磁分析提供了一个简单的工具。 [参考:31]

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