△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 h1=P4 = →T4>T LT 上游充通大 March 25,2019 11 SHANGHAI JIAO TONG UNIVERSITYMarch 25, 2019 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?