Continue Air Standard Cycles Air Standard Carnot Cycle: qH=TH△S23 T QL=TL AS4 P3 Wnet qH -qL P2 Wnet nth,Camnot Wne _au -qL QH P4 =1-l=1-A 4 nth.Camnot THAS23 QL S1=S2 S3=S4 Tth.Camot =1- Question: How to have isothermal heat transfer with air as the working fluid? 上游充通大 Monday,May 08,2017 5 SHANGHAI JLAO TONG UNIVERSITYMonday, May 08, 2017 5 Continue Air Standard Cycles Air Standard Carnot Cycle: H H 23 L L 41 net H L q T s q T s w q q       Question: How to have isothermal heat transfer with air as the working fluid? s s 1=s2 s3=s4 T TH TL 1 2 3 4 qL p3 p2 p4 p1 qH 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 T s 1 1 q T s T 1 T              