给水管网水力计算表
设计秒流计算管长坐便器浴盆洗脸盆洗涤盆当量总数同时出管径量Ng管段L/m流概率UDN/mmqg/(L/s)0.510.7510--10.910000.5100.00%0.10151--20.911001.582.84%0.25202--34.011102.2568.18%0.31203--45.011113.2557.15%0.37254--53.022226.541.07%0.53255--63.033339.7533.92%0.66326--73.044441329.65%0.77327--87.7555516.2526.73%0.87328--94.01010101032.519.48%1.2740单位长度管段沿程内径管段水头水头损失累水头损失水头损失dj/mm损失/kPa计/kPai/kPa/m/kPa12.818.318.3242432.832.832.8380.740.701.030.390.770.250.330.410.400.670.634.131.962.300.750.993.181.620.860.825.362.552.990.971.294.132.100.861.687.049.5912.5813.5614.8418.9721.08H4=20kPa计算所用数据q0200m3.5Kh2.5U00.03116αc给水系统所需压力HH1=171kPaH2=21.08kPaH3=33.88kPa0.0204H=H1+H2+H3+H4=245.96kPa<270kPa