The Magnetic Reynolds number is a dimensionless group that occurs in magnetohydrodynamics. It gives an estimate of the effects of magnetic advection to magnetic diffusion, and is typically defined by:
where
- is a typical velocity scale of the flow
- is a typical length scale of the flow
- is the magnetic diffusivity
Read more about Magnetic Reynolds Number: General Characteristics For Large and Small, Relationship To The Reynolds Number and Péclet Number
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