[Kishen]

Hi

I need to calculate the Reynolds number of a Rotor Blade. The freestream velocity is 30m/s but the rotor is rotating at 250rpm. In the Reynolds number equation what do I use as the Velocity and the length? Is it the overall span or the chord?

The reason I need to calculate this is to set the correct values of turbulence intensity and viscosity as my CFD solution is giving me "Turbulence Viscosity Limited on XX faces"

Thanks You

[liulangdefeng2222]

Originally Posted by Kishen

Hi

I need to calculate the Reynolds number of a Rotor Blade. The freestream velocity is 30m/s but the rotor is rotating at 250rpm. In the Reynolds number equation what do I use as the Velocity and the length? Is it the overall span or the chord?

The reason I need to calculate this is to set the correct values of turbulence intensity and viscosity as my CFD solution is giving me "Turbulence Viscosity Limited on XX faces"

Thanks You

usually about 1million， "Turbulence Viscosity Limited on XX faces"，you can see the fluent help, it has explained it in detail.