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本文在共振螺旋场(RHF)条件下,对撕裂模的时间演化过程进行了数值计算。在等离子体内部磁扰动与外加RHF的相位差不同时,分析了撕裂模的不同发展过程和结果。认为RHF可以最终改变托卡马克中的饱和磁岛宽度。The influence of resonant helical field (RHF) on tearing mode has been calculated by solving resistive MHD equations, and different widths of saturated island have been obtained while there are different phase differences between plasma perturbation and RHF. It seems that RHF can either increase the width of saturated island, or decrease it.
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