加压、排烟系统阻力计算表——树上鸟教育.xlsx

住宅加压送风系统阻力计算表(暖通设计教学 杜老师微信836667919)设备编号环路编号流量V/m3/s长边a/m 短边b/m直径或当量直径d/m面积/m2JS-8-W-x(32层)风机入口29000/0.90.64风机出口29000/0.90.64井道(屋顶至第一个风口)290001.7000.350.60.60井道(第一个风口至第二个风口)271881.7000.350.60.60井道(第二个风口至第三个风口)253751.7000.350.60.60井道(第三个风口至第四个风口)235631.7000.350.60.60井道(第四个风口至第五个风口)217501.7000.350.60.60井道(第五个风口至第六个风口)199381.7000.350.60.60井道(第六个风口至第七个风口)181251.7000.350.60.60井道(第七个风口至第八个风口)163131.7000.350.60.60井道(第八个风口至第九个风口)145001.7000.350.60.60井道(第九个风口至第十个风口)126881.7000.350.60.60井道(第十个风口至第十一个风口)108751.7000.350.60.60井道(第十一个风口至第十二个风口)90631.7000.350.60.60井道(第十二个风口至第十三个风口)72501.7000.350.60.60井道(第十三个风口至第十四个风口)54381.7000.350.60.60井道(第十四个风口至第十五个风口)36251.7000.350.60.60井道(第十五个风口至第十六个风口)18131.7000.350.60.60单层百叶送风口18130.300.300.30.09余压/设备编号环路编号流量V/m3/s长边a/m 短边b/m直径或当量直径d/m面积/m2JS-8-W-x（32层)风机入口26000/0.80.50风机出口26000/0.80.50井道(屋顶至第一个风口)260001.000.500.70.50井道(第一个风口至第二个风口)173331.000.500.70.50井道(第二个风口至第三个风口)86671.000.500.70.50多叶送风口86670.900.500.60.36余压/设备编号环路编号流量V/m3/s长边a/m 短边b/m直径或当量直径d/m面积/m2JS-8-W-x（32层)风机入口26000/0.80.50风机出口26000/0.80.50井道(屋顶至第一个风口)260001.000.500.70.50井道(第一个风口至第二个风口)173331.000.500.70.50井道(第二个风口至第三个风口)86671.000.500.70.50多叶送风口86670.900.500.60.36余压/JS-8-W-x（32层)流速V/m/s比摩阻Rm/Pa/m风道长/m动压局部阻力构件局部阻力系数风管系统总阻力Pm/Pa粗糙度修正系数12.71.581.5101.9防鼠防虫网45弯头0.9599.2112.71.581.5101.9风管接管井0.773.7113.53.065.9116.4直通三通-主0.129.7112.72.705.9102.3直通三通-主0.126.2111.82.365.989.1直通三通-主0.122.9111.02.055.976.8直通三通-主0.119.8110.21.765.965.5直通三通-主0.116.919.31.495.955.0直通三通-主0.114.318.51.245.945.5直通三通-主0.111.817.61.015.936.8直通三通-主0.19.616.80.815.929.1直通三通-主0.17.715.90.625.922.3直通三通-主0.15.915.10.465.916.4直通三通-主0.14.414.20.335.911.4直通三通-主0.13.113.40.215.97.3直通三通-主0.12.012.50.125.94.1直通三通-主0.11.111.70.065.91.8直通三通-主0.10.510.80.015.90.5直通三通-主0.10.115.61.24019.9单层百叶送风口2251流速V/m/s比摩阻Rm/Pa/m风道长/m动压局部阻力构件局部阻力系数风管系统总阻力Pm/Pa粗糙度修正系数14.42.331131.2防鼠防虫网45弯头0.95127.01住宅加压送风系统阻力计算表(暖通设计教学 杜老师微信836667919)/14.42.332131.2弯头1.29173.9114.42.9378.6132.5直通三通-主0.3269.919.61.342.9558.9直通三通-主0.321.614.80.352.9514.7直通三通-侧0.711.316.70.69028.4多叶送风口256.81流速V/m/s比摩阻Rm/Pa/m风道长/m动压局部阻力构件局部阻力系数风管系统总阻力Pm/Pa粗糙度修正系数14.42.330131.2防鼠防虫网45弯头0.95124.7114.42.330.5131.2弯头1.29170.4114.42.9388132.5直通三通-主0.39309.419.61.342.9558.9直通三通-主0.19.814.80.35614.7直通三通-侧0.712.416.70.69028.4多叶送风口256.81/风管系统实际总阻力Pm/Pa风机压头/Pa选用压头99.2423.450073.729.726.222.919.816.914.311.89.67.75.94.43.12.01.10.50.124.650.0风管系统实际总阻力Pm/Pa风机压头/Pa选用压头127.0754.2800173.9269.921.611.356.825.0风管系统实际总阻力Pm/Pa风机压头/Pa选用压头124.7779.4800170.4309.49.812.456.825.0754.2800地下室P(Y)-B1-x系统阻力计算表(暖通设计教学 杜老师微信836667919)设备编号环路编号流量V/m3/s长边a/m 短边b/m直径或当量直径d/m面积/m2P(Y)-B1-x防雨百叶风口660003.001.401.92.52排风井道660002.800.701.11.96风机入口330000.700.700.70.38风机出口至水平风管330000.770.770.80.59风管1330001.600.400.60.64风管2110001.250.320.50.40风管373330.800.320.50.26风管436670.630.320.40.20单层百叶风口36671.000.250.40.20动压常用材料绝对粗糙度K绝对粗糙度的修正系数材料名称平均绝对粗糙度K风速（m/s）下列绝对粗糙度的修正系数薄钢板、镀锌钢板0.15mm0.03塑料板0.010.03 mm20.95铝板0.03 mm3刚性玻璃纤维0.90 mm40.9胶合板、木板1.0 mm57矿渣石膏板1.0 mm8120.85矿渣混凝土板1.5 mm13混凝土板1.03.0 mm14160.8表面光滑的砖风道3.04.0 mm墙内砖砌风道5.010.0 mm铁丝网抹灰风道10.015.0 mm竹风道0.81.2 mm以上资料来自数据来自暖通空调常用数据手册P717。流速V/m/s比摩阻Rm/Pa/m风道长/m动压局部阻力系数风管系统总阻力Pm/Pa粗糙度修正系数风管系统实际总阻力Pm/Pa7.30.22033.62.273.9173.99.40.68655.60.3925.71.8547.623.87.241360.60.79292.11292.115.52.802151.805.615.614.33.0315130.30.59122.31122.37.61.1920.237.10.4942.2142.28.01.477.240.20.114.6114.65.10.677.216.20.16.416.45.10.73016.5232.9132.915.0构件名称局部阻力系数0.090.150.93防雨百叶2.2111.21.5单层百叶20.951.251.670度防火阀0.191.31.7止回阀0.51.351.890度弯头0.391.41.85来回弯0.31.451.93通0.30.91.95变径0.1地下室P(Y)-B1-x系统阻力计算表(暖通设计教学 杜老师微信836667919)绝对粗糙度的修正系数下列绝对粗糙度的修正系数风机压头/Pa选用压头718.0765局部阻力系数2.220.190.50.390.30.30.1加压、排烟系统阻力计算表学暖通 就进VIP培训班杜老师 QQ/微信 836667919 树上鸟教育暖通设计交流群 652774008