Description: proportion of pump available power input, Pa, which is delivered as pump power output, Pu, after satisfying the losses; Name: hydraulic eff
Description: Determined proportion of pump available power input, Pa, which is delivered as pump power output, Pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage ; Name: Hydraulic efficiency
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