Hi,

I am currently working on some CFD studies where, among other parameters, I am analyzing the presence of turbulent flow within a narrow, radial flow channel. My independent variables are the cross-sectional area of the inlet pipe, and the inlet flow rate.

I am using water at a constant temperature for all of the studies, so my input viscosity and density are also controlled.

In all of the studies I have done so far, I have found an average of 7% to 16% turbulence intensity, regardless whether my peak velocity is 0.4m/s or 9m/s.

I understand the concept and the definition of the turbulence intensity, but I am struggling to use this parameter to find out whether the calculated flow is still laminar, transitioning, or fully turbulent.

Thanks!

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