Dimensionless quantity in fluid mechanics characterizing the ratio of inertial forces to viscous forces and corresponding fluid flow regime:
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{\rm Re} = \frac{{v\rm Inertial} \, L}{\nu} = \frac{\rho \, {\rm forces}}{{\rm Viscous} \ {\rm forces}} = \frac{v \, L}{\mu} |
Dimension = dimensionless
The physical meaning of Reynolds number is the ratio of intertial forces and viscous forces:
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{\rm Renu} = \frac{{\rm Inertial}rho \, {\rm forces}}{{\rm Viscous} \ {\rm forces}v \, L}{\mu} |
See also
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