This is given by Re = U/a, where U is the characteristic velocity of the fluid and a is the speed of sound in the fluid. It is used to describe the flow of compressible fluids such as gases around objects.
This is given by Re = U/a, where U is the characteristic velocity of the fluid and a is the speed of sound in the fluid. It is used to describe the flow of compressible fluids such as gases around objects.