Description: The ratio the theoretical required power to the shaft power; Name: overall efficiency
Description: determined proportion of the driver power input, pmot, delivered as pump power output, pu; Name: overall efficiency
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity