Example 17.2 Prove:Ideal gas release process of a rigid adiabatic vessel obeys: K-1 Tp K=const Prove:Vessel as the CV,Energy balance 70 8g-h.δm。=d(mu) EoS:mR T=pV ↓ V=const mdu+udm+h.δm。=0 dm dT dp m T -h=-咖 ↓ mdu+udm-hδm=0 dm dp dT ↓ e m p T mcrdT+cyTdm-cTdm=0 0 Organize and 1 dT dp dT Integration K-1 K k-1 T p T am dT K-1T 上游上 March 26,2019 9 SHANGHAI JIAO TONG UNIVERSITYMarch 26, 2019 9 Prove: Ideal gas release process of a rigid adiabatic vessel obeys: Tp  const     1 Prove： e e δQ h m mu   δ d( ) e h h m m    δ d e e e m u u m h m d d    δ 0 m u u m h m d d    δ 0 Vessel as the CV, Energy balance Example 17.2 0 mc T c T m c T m V V p d d d 0    mc T c c T m V p V d d     Tp  c     1 mR T pV g  1 d d d 1 T p T  T p T    Organize and Integration EoS: d d d m p T m p T   d d d d m T p V m T p V    V  constp T d 1 d 1 m T m T   