2004/12/26 | 磁雷诺数[Magnetic Reynolds Number]
类别(Ω〖物理〗) | 评论(0) | 阅读(44) | 发表于 13:28
A dimensionless parameter defined by

where v is the velocity scale of the dynamo, B is the magnetic field, r is the disk radius, and is the magnetic diffusivity. For values larger than , a disk dynamo is self-sustaining.
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