Continue Non-Adiabatic Compression For any internally reversible process:W-dp For a polytropic process n1 w--ntpv.-pv] n≠1 we--n-R(G-T) n For an ideal gas n≠1 For an isothermal process n =1 We =-P:V In(p2 /p)=-P:V In(Vi V2) n=1 For an ideal gas We=-RTIn(P2/P) n=1 上游充通大学 May9,2019 4 SHANGHAI JLAO TONG UNIVERSITYMay 9, 2019 4 Continue Non-Adiabatic Compression For any internally reversible process: For a polytropic process For an isothermal process 𝑊c = − න 1 2 𝑣𝑑𝑝 C 2 2 1 1   n w p v p v n 1 n 1      For an ideal gas C 2 1   n w R T T n 1 n 1      n 1  w p v ln(p / p ) p v ln(v / v ) n 1 C 1 1 2 1 1 1 1 2      For an ideal gas w RTln p / p n 1 C 2 1      n 1 