Solution cont. compressor 2- P2 14 bar T2=75C Compressor Entropy rate balance (adiabatic) T1=-5C 0=mef(S1-S2）+0comp P1=3.5 bar comp=irer(S2-Si） -(0n9）os2s-0957(ek) =17.5×10-4kW/K 上游充通大 April 26,2018 18 SHANGHAI JIAO TONG UNIVERSITYApril 26, 2018 18 Solution cont. compressor Entropy rate balance (adiabatic)