空调风管计算

环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）110004004004002.94.00.0690.1600.111.741.911010000003.00.35.76.1220004004004004.04.00.1390.1600.393.477.660000100001.01.57.79.2340005004004444.06.00.1850.2000.815.5619.600001100001.53.229.432.6460006305005584.46.00.2780.3150.555.2917.780001100001.52.426.729.1580006306306303.06.00.3700.3970.535.6019.910001100001.51.629.931.461000080063070511.010.00.2780.5040.455.5119.290001100001.54.928.933.8718000100063077324.010.00.5000.6300.797.9440.0001011111111.418.9455.6474.5合计616.8环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）第一层左区：第一层右区：2、风管阻力计算书2.1、说明在风管阻力计算中每层都分为左右两区，代表两个不同的空调箱的风管2.2、送风管阻力计算所需数据均从《空调与制冷技术手册》第二版中查得。第1页，共9页110004004004002.84.00.0690.1600.111.741.911010100004.00.37.78.0220004004004004.44.00.1390.1600.393.477.660000100001.01.77.79.4340005004004444.06.00.1850.2000.815.5619.600001100001.53.229.432.6460006305005584.410.00.1670.3150.555.2917.780001100001.52.426.729.1580006306306304.010.00.2220.3970.535.6019.910001100001.52.129.932.06100008006307054.410.00.2780.5040.455.5119.290001100001.52.028.930.97120008006307054.010.00.3330.5040.636.6127.780111100003.02.583.385.881800010006307739.510.00.5000.6300.797.9440.0000011111110.97.5435.6443.0合计670.8环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）110004004004004.94.00.0690.1600.111.741.911010000003.00.55.76.3120004004004004.94.00.1390.1600.393.477.660000000000.01.90.01.9240005004004442.86.00.1850.2000.815.5619.600001000000.52.29.812.0360006305005585.56.00.2780.3150.555.2917.780001100001.53.126.729.7480008006307053.86.00.3700.5040.294.4112.340001100001.51.118.519.65100008006307057.26.00.4630.5040.455.5119.290000100001.03.219.322.56120008006307055.56.00.5560.5040.636.6127.780000100001.03.527.831.27140008006307053.26.00.6480.5040.847.7237.810000100001.02.737.840.581600010006307737.810.00.4440.6300.637.0531.600111100003.04.994.899.792400010008008898.410.00.6670.8000.738.3344.100001010002.06.188.294.3103600010008008899.710.01.0000.8001.5712.5099.220001111113.015.3297.7312.9合计670.8第二层左区：第二层右区：第2页，共9页环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）110004004004004.94.00.0690.1600.111.741.911010000003.00.55.76.3120004004004004.94.00.1390.1600.393.477.660000000000.01.90.01.9240005004004442.88.00.1390.2000.815.5619.600000000000.02.20.02.2360006305005585.510.00.1670.3150.555.2917.780001100001.53.126.729.7480008006307053.810.00.2220.5040.294.4112.340001100001.51.118.519.651000080060068613.010.00.2780.4800.515.7921.270111100003.06.663.870.462000010008008898.810.00.5560.8000.526.9430.6200011111110.94.5333.5338.0合计468.1环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）1650060050054510.910.00.1810.3000.736.0223.001000000002.07.946.053.9213000100050066739.010.00.3610.5000.797.2233.122101001015.531.0182.2213.2合计267.1第一层右区：2.4、回风管阻力计算回风管管段计算表（所需数据从表6.2（p271）,图6.3（p276）查得)第3页，共9页环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）1650060050054510.910.00.1810.3000.736.0223.001000000002.07.946.053.9213000100050066739.010.00.3610.5000.797.2233.122101001015.531.0182.2213.2合计267.1环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）1650060050054510.910.00.1810.3000.736.0223.001000000002.07.946.053.9219500100050066713.410.00.5420.5001.7210.8374.522001000004.523.0335.4358.3332500100060075013.110.00.9030.6002.7815.05143.762001000004.536.3646.9683.243900010008008899.810.01.0830.8001.8413.54116.441001001012.518.0291.1309.1合计1404.5环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z总阻力损失（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）（Pa）（Pa）1650060050054510.910.00.1810.3000.736.0223.001000000002.07.946.053.9213000100050066739.010.00.3610.5000.797.2233.122101001015.531.0182.2213.2合计267.1第二层右区：第二层左区：第4页，共9页第一层左区：616.6+267.1=883.7Pa2.5、合计注：考虑到安全因素，增加15%的容量。应选用的空调箱出口动压为200~1000Pa,完全可以满足使用要求。二层左区除外第一层右区：670.8+267.1=937.9Pa第二层左区：670.8+1404.5=2075.3Pa第二层右区：468.1+267.1=735.2Pa计算风管(0-1-2-3-4-5-6)在空调箱出口余压：第5页，共9页环路编号流量矩型风管尺寸a矩型风管尺寸b直径或当量直径D管长L初选流速V计算断面积S实际断面积S单位比摩阻R实际流速V动压送风口弯头多叶风量调节阀渐缩管直流三通旁流三通防火阀软接头静压箱∑&沿程损失RL局部损失Z（m3/h）（mm）（mm）（mm）（M）（M/S）（m2）（m2）（Pa/M）（M/S）（Pa）个个个个个个个个个（Pa）1165001000600