단위환산 단위환산프로그램.exe HYDRAULIC POWER CALCULATION In this example, calculate power absorbed by a pump. Enter the flow rate, head and efficiency of the pump. Flow Rate Head Efficiency SG Power m^3/hr l/min l/sec US gpm UK gpm m KPa Bar ft psi In Hg (%) KW HP Hydraulic Power Specific Impeller Speed Specific Suction Speed Affinity Correction Tip Speed