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磁雷诺数

磁流体力学中,磁雷诺数定义为:

其中,分别是系统的特征尺度和特征速度,磁扩散率

如果磁雷诺数远远小于1,则磁流体力学中的磁感应方程

退化为扩散方程

此时等离子体会表现出磁扩散效应

如果磁雷诺数远远大于1,则磁流体力学中的磁感应方程 退化为冻结方程

此时等离子体会表现出磁冻结效应

参见

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磁雷诺数
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