参考《水力计算手册（第二版）》A10.50A21.00ζ0.25A11.00A20.50ζ0.25进口ζ0.25A11.54A29.50ζ0.70k0.25 图中公式有误A10.50A21.00ζ0.06k10.20k20.30ζ0.06矩形变圆形渐缩管 ζ0.05圆形变矩形渐缩管 ζ0.10d1.00R2.00θ90.00ζ0.15θ18.00θ（弧度）0.31sin(θ/2)0.16ζ0.02门槽ζ0.10β2.42s0.01b0.05α90.00sinα1.00ζ0.28流速v0.50g9.81进口段ζ0.4门槽ζ0.1进口段ζ0.2局部水头损失系数急弯管局部水头损失计算进水闸拦污栅断面突然扩大断面突然缩小出口圆形渐扩管圆形渐缩管缓弯管拦污栅ζ0.3进水流道ζ0.5∑ζ1.50Δh0.019流速v2.00g9.81ζ 0.7∑ζ0.70Δh0.143流速v0.80g9.81ζ0.05∑ζ0.05Δh0.002流速v0.80g9.81ζ0.02ζ0.02∑ζ0.04Δh0.001流速v1.46g9.81进口段ζ0.1∑ζ0.10Δh0.011流速v1.25g9.81ζ1∑ζ1.00Δh0.0800.26Q9.1水力计算手册P3A7.5χ10R0.75v1.21n0.014g9.81λ0.017L330d3.09hf0.136Q9.1A6.25χ10R0.63v1.46n0.014沿程水头损失计算压力水箱渐变段防洪闸门槽出口段局部水头损失汇总Δh1急弯段进水闸管道出口沿程水头损失1沿程水头损失2g9.81λ0.018L65d2.82hf0.0450.180.44沿程水头损失2沿程水头损失汇总Δh2总水头损失汇总Δh总
