Continue Carnot power cycle Answer: Put the cycle under the two-phase dome TH 4 S1=S2 S3=S4 However,in real world we have to "deal"with deviations from Carnot: finite temperature difference across the heat exchange difficult to compress 2-phase mixture non-isentropic compression and expansion >Introduce Rankine power cycle 上游充通大 May4,2018 7 SHANGHAI JLAO TONG UNIVERSITYMay 4, 2018 7 Continue Carnot power cycle Answer: Put the cycle under the two-phase dome However, in real world we have to “deal” with deviations from Carnot: - finite temperature difference across the heat exchange - difficult to compress 2-phase mixture - non-isentropic compression and expansion  Introduce Rankine power cycle T s 1 2 3 4 s1=s2 s3=s4 TH TL