Cycle Analysis Typical Assumptions specified evaporating(Tevap)and condensing (Tcond) temperatures specified superheat entering the compressor specified subcooling leaving the condenser ● constant pressure throughout heat exchangers negligible kinetic and potential energy changes for all components ● adiabatic throttling valve specified isentropic efficiency for compressor adiabatic compressor 上游充通大 Wednesday,May 03,2017 7 SHANGHAI JLAO TONG UNIVERSITYWednesday, May 03, 2017 7 Cycle Analysis Typical Assumptions • specified evaporating (Tevap) and condensing (Tcond) temperatures • specified superheat entering the compressor • specified subcooling leaving the condenser • constant pressure throughout heat exchangers • negligible kinetic and potential energy changes for all components • adiabatic throttling valve • specified isentropic efficiency for compressor • adiabatic compressor