Description: This is the result of dividing the flow rate measured in the pump outlet nozzle by the outlet cross-section of the pump; Name: mean speed in exit
Description: measured rate of flow at pump outlet connection divided by the outlet area of the pump; Name: mean velocity at outlet
Description: variable quantity, which is not influenced by the control but is introduced into the control system from outside with the aim of making the final controlled variable follow it in a given relationship; Name: command variable