二水头损失规律( Lose of head a z;++ th r 28 g 均匀流( Uniform flow) 过波区 层流 Cl AE 一系流 g g 5 图4-1-2二、水头损失规律(Lose of head) 均匀流(Uniform flow) hf g z g z + + + = + + 2 2 2 2 2 2 2 2 1 1 1 1 2g 2g 2 2 2 2 1 1 = ( ) ( ) 2 2 1 1 − + h = z + z f