△T,△w,△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=c0 V V P1=P4 生=Y →T4>I LT 上游充通大 March 23,2018 11 SHANGHAI JIAO TONG UNIVERSITYMarch 23, 2018 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?