Figure 2. Variation of, Cv, with mesh density for disk angle 60°

From

The Accuracy Degree of CFD Turbulence Models for Butterfly Valve Flow Coefficient Prediction

Mohammed M. Said, Hossam S.S. AbdelMeguid, Lotfy H. Rabie

American Journal of Industrial Engineering. 2016, 4(1), 14-20 doi:10.12691/ajie-4-1-3