Reversible polytropic process on p-v diagram Reversible adiabatic process pv'”=const. T → dp+n dv =0 p V n=0 Slope (n=0) 0 n=1 → =-n P (n=1) n=0 n=k V p (n=K) 一K D n=±oo 00 上游究通大学 Mar/15,Wed,2017 10 SHANGHAI JLAO TONG UNIVERSITYMar/15, Wed, 2017 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