Reversible polytropic process on p-v diagram Reversible adiabatic process py"= const T dv → 业 tn =0 p v n=0 Slope (n=0) 0 n=1 → =-n P (n=1) 1n=0 n=k (n=K) 一 n=±oo 00 上游充通大 March 25,2019 10 SHANGHAI JIAO TONG UNIVERSITYMarch 25, 2019 10 Reversible polytropic process on p-v diagram . n pv const  d d 0 p v n p v    n p p n v v            Slope         n v p n v p n n (  )  ( 1) ( 0) 0 Reversible adiabatic process