Description: ratio of the power required to compress the working fluid to the compressor input power; Name: mechanical efficiency of the pump
Description: determined proportion of the pump power input, p, available after satisfying the mechanical power losses, pj,ab, at given operating conditions; Name: mechanical efficiency
Description: Probability that an item is in a state to perform as required at a given instant, under given conditions, assuming that the necessary external resources are provided ; Name: Instantaneous availability