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: pump h(q) curve where the maximum head (peak point) and shut-off head are not coincidental, or the total head does not decline continuously as the rate of flow increases; Name: stable pump H(Q) curve