2004/12/22 | 磁流体冻结近似[Frozen Flux Approximation]
类别(Ω〖物理〗) | 评论(0) | 阅读(18) | 发表于 12:46
An approximation that is used to simplify the dynamo equation.It assumes that the magnetic field B is not changing in space, so

and

where v is the speed of the dynamo.
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