采暖系统水力计算书工程名称供水温度℃热媒80回水温度(℃)60平均密度(kg/m3)983.26楼层数150运动黏度(10-6㎡/s)0.479供回水方式上供下回立管形式单管立管关系同程系统形式总负荷（W)总流量(kg/h)立管数168240.07234.3最不利损失(Pa)14445.1表1 系统最不利环路水力计算表最不利阻力(Pa)10605.7编号12345678910111213141516Q(W)32007040108801472018560224002624030080339203776041600454404828053120104240168240G(kg/h)137.6302.7467.8633.0798.1963.21128.31293.41458.61623.71788.81953.92076.02284.24482.37234.3L(m)0.711.30.711.30.711.30.711.30.711.30.711.47.011.027.078.0D(mm)254040404040405050505050707080100最不利环路υ(m/s)0.0700.0600.1000.1400.1700.2100.2400.1700.1900.2100.2300.2500.1600.1800.2500.400R(Pa/m)3.972.094.628.0712.4317.7123.908.4110.5312.9015.4918.325.816.9510.5926.53Σξ3.53.53.53.53.53.53.53.53.53.53.53.53.53.53.53.5ΔPy(Pa)ΔPd(Pa)ΔPj(Pa)ΔP(Pa)2.823.63.291.28.7200.116.795.07.4145.810.8208.140.776.5285.92069.32.411.774.929.6414.2121.6828.3214.2117.7521.6826.0130.7312.5915.9330.7378.668.46.217.233.749.775.999.149.762.175.991.0107.544.155.8107.5275.311.229.820.4124.958.4276.0115.8144.869.5221.7101.9315.784.7132.2393.52344.7小计4445.1采暖入口阻力为5000Pa，入口热表和截止阀及过滤器阻力为5000Pa，本系统总阻力约为14445.1Pa.
