'

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 formulas

Variables

CNPSHSuction head coefficient (dimensionless)
gStandard gravity
NPSHNet Positive Suction Head (NPSH) (m)
πpi
TPeriod (s)
DTurbomachine impeller diameter (m)