1.17 Adiabatic Compression or Expansion (3) S.J.T.U. Phase Transformation and Applications g For reversible,adiabatic process in an ideal gas 27 、2} TP %=const const PVY const 绝热压缩和膨胀 SJTU Physical Chemistry of Materials Spring 2010 ©X.J.Jin Lecture 5 property relation IPhase Transformation and Applications S. J. T. U. SJTU Physical Chemistry of Materials Spring 2010 © X. J. Jin Lecture 5 property relation I 1.17 Adiabatic Compression or Expansion (3) T dT R C P dP P  ( ) CP R P P T T ( ) 1 2 1 2  For reversible, adiabatic process in an ideal gas TP const CP R     TP  const   1  PV  const  V P C C   绝热压缩和膨胀