1.水量W=3600*4/π /4 *d²* v(m³/h)式中：d管内径（m) v水流速（m/s)2.单位摩擦阻力R。=λ /d * v²ρ /2λ --摩擦阻力系数；d--管道内径，m; 水流速 管 径 D15D20D25D32D40D50D70D80D100D125D150D200D250D300D350D400 w m/s 内 径15.7521.25 27.0035.7541.0053.0068.0080.5106133x4 159x4.5219x6 273x7325x8377x9426x9流量0.140.260.410.720.951.592.613.666.358.84 12.7224.2337.93 53.9978.07 92.3R27.484.973.62.482.071.481.070.860.60.490.390.260.190.160.130.11R59.025.914.232.882.391.691.210.970.680.550.430.280.210.170.140.12流量0.180.320.520.91.191.993.274.587.94 11.0415.9 30.2947.4267.49 90.09 115.37R211.127.45.373.73.092.21.61.280.90.730.580.390.290.230.20.17R513.678.966.424.373.632.571.81.471.030.830.660.430.530.260.220.19流量0.210.380.621.081.432.383.925.59.53 13.2519.09 36.3556.9 80.99108.11 138.45R215.4410.297.465.144.33.072.221.791.261.020.810.540.410.330.270.24R519.27 12.639.066.165.123.622.62.081.451.170.930.610.460.370.310.26流量0.250.450.721.261.662.784.586.4111.1215.4622.2742.466.3894.49 126.3131.52R220.4313.629.89 6.825.74.082.952.381.671.361.080.720.540.440.370.31R525.72 16.9212.148.266.864.863.492.791.951.571.240.820.620.490.410.35流量0.280.510.821.451.93.185.237.3312.7117.67 25.45 48.4675.87107.99144.14134.59R226.0917.4112.648.727.295.223.783.042.141.741.380.920.70.560.470.4 冷 水 管 道 管 径 计 算 表 编制说明一 制表公式ρ --水密度；v--管道内水流速m/s；0.200.250.300.350.40R523.3121.8415.6610.66 8.86 6.274.53.62.512.11.61.060.80.640.530.46流量0.320.570.931.63 2.143.575.888.2514.3 19.1828.6354.5285.35 121.49162.16207.67R232.4321.6415.72 10.85 9.076.49 4.73.79 2.672.171.721.150.870.70.580.5R541.25 27.3819.6413.3711.1 7.86 5.654.523.152.552.011.3310.80.670.57流量0.350.641.031.81 2.383.97 6.549.16 15.8822.0931.8160.58 94.83134.98180.18230.73R239.4326.32 19.1313.2 11.03 7.95.734.61 3.252.612.11.41.060.850.710.61R551.1433.5424.06 16.3813.6 9.64 6.925.543.86 3.13 2.471.63 1.230.980.880.7流量0.590.71.13 1.9...
