Solution Internal reversible process;const.T&const.p;closed system; Neglect△PE,△KE W m J pdo=plv:-v) (1.014bar)(1.673-1.0435×10-3) 1kJ = 103N·m =170 kJ/kg Tas-m Tds m =T(Sg-S)=(373.15K)(7.3549-1.3069)k/kgK=2257kkg or Sg-Sr= lighr2=TAs=T(s-5 )=hh Use table A-4 T m 上游充通大学 Wednesday,April 12,2017 5 SHANGHAI JLAO TONG UNIVERSITYWednesday, April 12, 2017 5 Solution Internal reversible process; const. T &const. p; closed system; Neglect ∆PE, ∆KE or g f g f ( ) Q T s T s s h h m       Use table A-4