风管系统阻力计算表.xls

风管系统阻力计算表.xls

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风机手册第二章第三节压力损失19页空气成分按洁净空气计算参数名称风管D风管WR排风量风速m/s阻力系数直管12002000370024.282638890.012直管18005003700211.42037040.072直管22004003700211.67992420.11直管19004003170611.58845030.095直管18004002641010.18904320.09直管1500400211149.7750.075直管1100400158189.986111110.055直管800400105229.133680560.04直管50040052267.258333330.025直角弯头22004005003700211.67992421.25R角弯头180050050085422.636419751R角弯头110040050085425.392676771变径管18005003700211.42037040.15变径管2200400256188.08648990.15变径管1900400199267.282894740.15变径管1800400142345.491512350.15变径管150040085423.954629630.15变径管110040056963.59595960.15变径管80040028502.473958330.15风阀18005003700211.42037040.32风阀12002000370024.282638890.32止回阀12371237370026.717122971.5风口100025028463.162222221风阀180050028500.879629630.32静压箱18005003700211.42037040.5其他18005003700211.42037040.32结果风速平方v2气体密度pP=*v2*p/2风管长度或弯头个数阻力18.3409961.20.132055170.850.112247130.424861.25.6343539266.7437.97555136.420631.29.003761636.32327.0166134.292181.27.654654278.162.0027103.81661.25.6060964838.145.4093895.5506251.24.299778125730.0984599.7224151.23.29083969919.2163.2170383.424121.22.0021788928.116.2176552.6834031.20.7902510427.76.084933136.420631.2102.31547271102.31556.95070911.24.17042546928.34085129.0809631.217.44857763352.34573130.424861.211.73823735111.7382465.3913191.25.885218715.88521953.0405561.24.77365001714.7736530.1567081.22.71410370612.71410415.6390961.21.40751859611.40751912.9309251.21.16378328711.1637836.12046981.20.55084228510.550842130.424861.225.041573125.0415718.3409961.23.52147120413.52147145.1197411.240.60776686140.607779.99964941.25.999789631377.997270.77374831.20.14855967110.14856130.424861.239.127457824156.5098130.424861.225.041573250.08315合计1133.28参数