△T,△u,△h trend on p-v diagram Ta and T,which is higher? △T,△u,△h>0 p p n=1 n=0 n=1 n=0 T2 n=k n=o0 V V p=P4 Y=当 →T4>I TT 上游究通大学 Mar/15,Wed,2017 11 SHANGHAI JLAO TONG UNIVERSITYMar/15, Wed, 2017 11 ∆T, ∆u, ∆h trend on p-v diagram p v n=0 n=1 n=k n=∞ ∆T, ∆u, ∆h>0 p v T1 T2 T3 T4 1 4 p 4 1 1 4 4 1 4 1 v v p p T T T T     n=1 n=0 4 1 T T and which is higher?