空调水管水力计算书

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1、附录2空调水管水力计算书空调水系统水力计算空调水系统图如下所示：1.选择最不利环路。由图中可见，最不利环路为1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-1。2.各管段计算结果见水管水力计算表。3.最不利环路阻力△P=Σ△P1~22+△P末端风机盘管+△P风冷热泵冷热水机组=81.7+10+30=91.7kPa=121.7mH2O系统总阻力△P=12.17mH2O，水泵扬程为17.8m，满足要求。空调水管水力计算表序号负荷(kW)流量(m^3/h)管径管长(m)ν(m/s)

2、R(Pa/m)△Py(Pa)ξ动压(Pa)△Pj(Pa)△Py+△Pj(Pa)备注1128.610122.498DN7091.721568.3565115.20411455.7841455.7846570.9881个弯头ξ=12128.610122.498DN703.51.721568.3561989.24621455.7842911.5684900.8142个弯头ξ=2×1=23128.610122.498DN703.81.721568.3562159.75331455.7844367.3526527.1051个分流三通ξ=3487.22

3、8315.259DN7011.167263.977263.9773669.6712009.0122272.9891个分流三通ξ=3579.12813.842DN701.81.059217.876392.1773551.071653.212045.3871个分流三通ξ=3648.40748.468DN5021.066304.312608.6243558.861676.582285.2041个分流三通ξ=3735.72256.249DN501.80.787167.57301.6263304.342913.0271214.6531个分流三通ξ=3

4、831.76675.557DN402.51.169508.9341272.3353672.0322016.0973288.4321个分流三通ξ=3915.56612.723DN4010.573125.811125.8114161.363645.453771.2641个分流三通ξ=3，1个弯头ξ=11031.76675.557DN4031.169508.9341526.8023672.0322016.0973542.8991个分流三通ξ=3115.19060.908DN2050.711456.0372280.18412248.6462983.

5、7475263.9311个弯头ξ=1，1个截止阀ξ=11125.19060.908DN2050.711456.0372280.18412248.6462983.7475263.9311个弯头ξ=1，1个截止阀ξ=111310.37551.815DN4030.38257.359172.077371.691215.072387.1491个合流三通ξ=31415.56612.723DN4010.573125.811125.8114161.363645.453771.2641个合流三通ξ=3，1个弯头ξ=11531.76675.557DN402.5

6、1.169508.9341272.3353672.0322016.0973288.4321个合流三通ξ=31635.72256.249DN501.80.787167.57301.6263304.342913.0271214.6531个合流三通ξ=31748.40748.468DN4011.7821169.6281169.62831560.5264681.5795851.2071个合流三通ξ=31879.12813.842DN501.81.743802.8631445.15331493.2724479.8175924.971个合流三通ξ=31

7、987.228315.259DN7011.167263.977263.9773669.6712009.0122272.9891个合流三通ξ=320128.610122.498DN703.81.721568.3562159.75331455.7844367.3526527.1051个合流三通ξ=321128.610122.498DN703.51.721568.3561989.24621455.7842911.5684900.8142个弯头ξ=2×1=222128.610122.498DN7091.721568.3565115.20411455

8、.7841455.7846570.9881个弯头ξ=1235.19060.908DN2020.711456.037912.07410248.6462486.4563398.531