分户计量-同程采暖系统供水温度(℃)回水温度(℃)70热媒平均密度(kg/m3)983.28运动黏度(10-6m2/s)供回水方式楼层数4立管形式双管系统形式立管数8立管关系同程总负荷(W)85760总流量(kg/h)4916.91最不利损失(Pa)4881工程名称550.479下供下回最不利阻力(Pa)编号Q(W)SG85760SH85760SG185760SH185760BG185760BG275040BG364320BG453600BH885760BH775040BH664320BH553600BH442880VG110720VG28040VG35360VH110720VH28040VH35360DG1340DH1340IG11340IG21005IH41340IH31005IH2670R23354881G(kg/h)4916.914916.914916.914916.914916.914302.293687.683073.074916.914302.293687.683073.072458.45614.61460.96307.31614.61460.96307.3176.8376.8376.8357.6276.8357.6238.4119.21表1 系统最不利环路水力计算表最不利环路分支1立管4楼层3L(m)D(mm)υ(m/s)R(Pa/m)ΣξΔPy(Pa)21000.3727.805621000.3727.805621000.63108.540.321721000.63108.540.321721000.71146.9302942800.62113.2212262700.5383.8711682700.4458.9111821000.71146.930.62942800.62113.2212262700.5383.8711682700.4458.911182400.54113.7412272250.2852.981.51063250.2130.692923200.2562.0921862250.2852.981.51063250.2130.692923200.2562.0921862200.064.821.5102200.064.821.5102150.1114.950302150.089.161182150.1114.950.6302150.089.161182150.053.18163150.031.5965回
ΔPj(Pa)0058580188138961481881389614359446259446233033312ΔP(Pa)565627627629441530621444141530621437016513624816513624813133022332287
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