Continue Diesel Cycle Tt p=const 3 Diesel cycle efficiency: v=const For m-constant:=V3 and r=VL V2 V2 Qout n%-w-99-19-1-u=u=1-cc,-p S1=S2 3S4S Qin Qin Qin h3-h2 c(T3-T2) or1→2是-（) =rk-l For a constant pressure process2-→3：p2=P3→ → V2 V3 T V2 上游充通大率 May15,2018 4 SHANGHAI BAO TONG LINIVERSITYMay 15, 2018 4 Continue Diesel Cycle Diesel cycle efficiency: 3 1 c 2 2 v v For m=constant: r and r v v   s T 1 2 4 3 s1=s2 s3=s 4 qin qout net v 4 1 in out out 4 1 th in in in 3 2 p 3 2 w c (T T ) qq q u u 11 1 q q q h h c (T T )            4 1 3 2 41 1 th 32 2 T T T T 1 (T T ) T 1 1 k(T T ) T k 1                                k 1 2 1 k 1 1 2 T v For isentropic process 1 2: r T v           2 3 33 23 c 2 3 22 RT RT T v For a constant pressure process 2 3: p p r v v Tv     