Continue Air Standard Cycles Air Standard Carnot Cycle: QH THAS23 T qL=TL ASal P3 Wnet qH -qL P2 Wnet Tth.Carnot Wnet an-qL QH QH P4 nth.Carnot =1-=1-IAs QH TH△S23 P1 S1=S2 S3=S4 Tth.Camot Question: How to have isothermal heat transfer with air as the working fluid? 上游充通大率 May15,2018 5 SHANGHA BAO TONG LINIVERSITYMay 15, 2018 5 Continue Air Standard Cycles Air Standard Carnot Cycle: H H 23 L L 41 net H L q Ts q Ts w qq       Question: How to have isothermal heat transfer with air as the working fluid? s s 1=s 2 s 3=s 4 T T H T L 1 2 3 4 q L p 3 p 2 p 4 p 1 q H wnet net H L th,Carnot H H L L 41 th,Carnot H H 23 L th,Carnot H w q q q q q Ts 1 1 q Ts T 1 T          