管路水力计算(参考文件)

管长管段编号lm流量m wm³/h管径Dmm水流速vm/s比摩阻RPa/m沿程阻力HfPa0.500.302.004322502.4424905.500.300.3035.2013504002.9819066881.500.100.30回水段123.0013504002.98190233700.150.306677040061335133513066局部阻力系数ξ局部阻力HdPa14946管路累计总阻力∑(Hf+Hd）kPa1.492.392.8819.3120.2121.1027.7934.4735.3639.30.7042.0465.4165.410.3035.8013504002.9819068020.301.502.504502502.55265662.50.30133510000380001.604502502.5526240.30最不利管路1.5022.6013504002.9819042940.100.30128.5013504002.981902441451335972667753426677133566.7473.78.8885.5686.2287.5697.56135.56135.98136.96143.63147.93148.37149.71174.12174.120.3047.0013504002.98190300.150.300.101.50供水段1.003782502.141901900.300.300.10686686229800000.300.300.601.2037813502504002.141901901141.502.982283.003.304322502.44245808.50.304.400.101.00小计选型冷却水泵（CWP-01~03）扬程 mH2O35776131442992987242133343168668613356677066772671176.79185.72187.06193.74194.63201.30201.49202.18202.87203.09283.09283.78284.47284.58288.01288.24301.59302.40303.30316.44316.74319.73320水泵出口变径管（扩大）直管段止回阀蝶阀弯管90°直管段三通三通，2个弯管90°，3个弯管45°，2个弯管90°直管段膨胀节弯管90°直管段弯管90°，4个三通直管段电动蝶阀冷却塔水面高差冷却塔塔体扬程直管段电动蝶阀三通直管段三通弯管90°直管段膨胀节弯管90°，2个直管段弯管45°，2个弯管90°，5个三通，2个三通直管段蝶阀电动调节阀变径管（缩小）冷水机组变径管（扩大）蝶阀直管段三通直管段三通直管段蝶阀Y型过滤器变径管（缩小）水泵入口扬程 kPa考虑10%余量备注