Suction head coefficient
Description
NPSH characterize the potential for cavitation. The suction head coefficient is a dimensionless measure of NPSH, related to the angular velocity of the turbo-machine shaft (expressed as a function of period) and the turbomachine impeller diameter.
Related formulasVariables
CNPSH | Suction head coefficient (dimensionless) |
g | Standard gravity |
NPSH | Net Positive Suction Head (NPSH) (m) |
π | pi |
T | Period (s) |
D | Turbomachine impeller diameter (m) |