Description: Design flow rate in the outlet cross-section of the system divided by the outlet cross-section of the system; Name: Average design speed at the plant outlet
Description: Rated flow at the outlet area of the installation divided by the inlet area of the installation; Name: Mean rated velocity at outlet area of the installation
Description: amount of the absolute value of the total head above the head, equivalent to the vapour pressure of the liquid at the particular temperature, with reference to the NPSH datum plane; Name: net positive suction head