2过程方程 2 p2v2=pi dp dv K 0 P1 注意,若水蒸气,则 2 K≠”且≠T2n2 3稳定流动能量方程 steady- ow energy equation q=Mh+△c2+gAz+。忽略gAq≈0=0 %,+ h2+ 2=h+=Cf 2 dh+cdc。=04 2.过程方程 p v = p v = pv 1 1 2 2 注意,若水蒸气,则 1 2 2 1 1 1 − − T v T v c c V p 且 3.稳定流动能量方程—steady-flow energy equation 2 f 1 2 s q h c g z w = + + + d d 0 p v p v + = 0 0 s 忽略 g z q w = 2 2 2 1 f1 2 f 2 f 1 1 2 2 h c h c h c + = + = + f f d d 0 h c c + =