Continue Rankine Cycle Improvements Overall thermal efficiency: 1→2 3→4 5→6 W.Wm+Wr2-We net Q+QR 6→1 2→3 --5-1 Multi-staging with Reheat: Idea:Would rather raise TB than Ts Consider limit of infinite-stages: 图 上游充通大学 May9,2019 10 SHANGHAI JLAO TONG UNIVERSITYMay 9, 2019 10 Continue Rankine Cycle Improvements Overall thermal efficiency: Multi-staging with Reheat: • Idea: Would rather raise TB than T5 • Consider limit of infinite-stages: T1 T2 P net th in B R W W W W Q Q Q   h    12 34 56 61 23