《中央空调-管段阻力计算.docx》由会员分享，可在线阅读，更多相关《中央空调-管段阻力计算.docx（24页珍藏版）》请在三一文库上搜索。
1、风量 L管长初选风速管道尺寸当量实际流速单位长度摩擦阻力动压局部阻力局部阻力管段管段摩擦阻力总阻力（m3/hLVab直径VPm（ V2/2）系数Z编号RmPm+Z）(m)(m/s)（ mm）（ mm）(m/s)（ Pa）（ Pa）（ Pa）Pa/m(Pa)1.413.921-20.1222.04.0250 1501624.071.42.89.941.3513.4233.160.3043.022-30.2449.34.0320 1802134.71.413.0213.250.263.4517.770.11.333-40.7323.54.7500 2503335.81.24.220.181.052
2、1.1927.401.02.0184-51.4648.04.7630 5003904.60.64.812.701.0513.3319.780.131.655-62.9288.05.0630 6306307.320.554.432.141.2540.1847.780.13.216-74.026177.5800 8008006.30.457.6523.810.511.9119.561.413.921-20.1222.04.0250 1201624.071.42.89.941.3513.4233.160.3043.022-30.2446.06.0320 1602134.71.413.0213.250
3、.3043.4513.183-40.732104.7250 5003335.81.21220.181.0521.1938.440.265.231.413.924-70.1224.04.0250 1201624.071.42.89.941.3513.4233.160.3043.029-00.2444.04.0320 1602134.71.413.0213.251.0513.9115.93管路总阻力(Pm+Z备注)(Pa)散流器阀门分叉三通78.33矩形弯头渐缩分流三通渐缩分流三通渐缩88.13分流三通分流三通散流器阀门分叉三通84.78分流三通分流三通矩形弯头散流器阀门88.14分叉三通分流三通
4、10.12.02渐缩管长初选当量实际单位长度动压管段管路风量 LL风速管道尺寸摩擦阻力局部阻力管段直径流速摩擦阻力（ V2/2局部阻力总阻力（m3/h(m)VabPm系数总阻力备注编号DVRm）Z( Pm+Z)）(m/s（mm）（ Pa）Pm+Z（mm）(m/s)Pa/m（ Pa）（ Pa）(Pa)(Pa)9-50.4888.04.04003203553.81.310.48.661.0519.49分流三通4-50.9763.05.85003203906.10.92.1722.330.819.56分流三通4-71.70813.57.06304004896.80.8511.4727.740.261
5、8.6818.68矩形弯头11-120.1224.04.02501201624.071.45.69.941.432.94散流器1.35阀门8-110.2442.04.03201602134.71.42.813.251.0516.7189.3分流三通8-110.3664.04.82503202804.60.93.612.71.0516.94分流三通11-120.7324.04.75002503335.81.24.220.180.512.27渐缩6-121.0982.06.05004004445.490.71.418.080.510.44渐缩6-140.1222.04.02503201624.07
6、1.42.89.942.7533.16散流器阀门72.4114-140.2442.04.03201602134.71.42.813.251.0511.85分流三通14-40.7322.04.75002503335.81.22.820.181.0527.40分流三通3-150.1222.04.02501201624.071.42.89.942.7533.16散流器阀门75.2115-150.2446.04.03201602134.71.45.613.251.0511.85分流三通15-50.7322.04.75002503335.81.22.420.181.0525.61分流三通主管5.746.
7、07.01000 808887.170.63.630.841.0535.9835.98分流三通0三层26.764.87.52000 1837897.430.11.4833.121.0535.2535.25分流三通总管002一层管径计算和阻力计算管初选当量实际单位长度动压局部阻力管段管段风量 L管道尺寸直径流速摩擦阻力摩擦阻力局部阻力长风速（ V2/2系数总阻力编号（m3/habDVRmPmZLV）Pm+Z）（ mm）（ mm）(m/s)Pa/m（ Pa）（ Pa）(m)(m/s)（ Pa）(Pa)3.02503201.415.301-20.1284.01624.271.54.510.931.3
8、514.7537.422-30.256104.03202002464.00.858.59.60.3043.3210.990.262.493-40.7685.04.2500 3203904.80.552.7513.821.0514.5217.264-50.1284.06.55004004446.40.93.624.570.3047.4611.065-68.07.0800 5006157.040.655.229.731.0531.2236.421.286-72.8168.07.3800 6307046.80.584.6427.741.0529.1233.767-83.4568.07.7800630
9、7047.80.756.0036.501.0538.3244.328-93.9682.87.51000 808006.560.451.2625.821.0527.1128.3701-25.2482.04.02501204.271.53.010.931.415.3035.921.3514.751620.3043.322-30.1286.04.0320 2002464.00.855.19.61.0510.0815.183-50.2563.84.0500 4004443.840.51.98.841.059.2811.1816-17 0.1284.0250 1201624.271.56.010.931
10、.415.3035.874.01.3514.7517-180.2564.03202002464.00.851.79.611.782.01.0510.0818-190.7684.04.0500 4004443.840.52.08.841.059.2811.28管路总阻力备注 ( Pm+Z) (Pa)散流器阀门65.67分叉三通矩形弯头分流三通分叉三通分流三通153.93分流三通分流三通分流三通散流器阀门62.28分叉三通分流三通分流三通散流器阀门77.27分流三通分流三通319-200.5123.04.5500 2503334.090.61.810.030.3043.044.8420-241.1
11、521.55.0630 4004894.50.50.7512.151.0512.7513.50风量 L管初选管道尺寸当量实际单位长度摩擦阻力动压局部阻力局部阻力管段管段长风速直径流速摩擦阻力（ V2/2总阻力（m3/habPm系数Z编号LVDVRm）Pm+Z）（ mm）（ Pa）（ Pa）(m)(m/s)（ mm）(m/s)Pa/m（ Pa）(Pa)1.415.304-50.1282.04.0250 1201624.271.53.010.931.3514.7535.920.3043.325-60.2562.04.0320 2002464.00.851.79.60.3042.924.626-40
12、.512124.5500 2503334.090.67.210.030.262.6123.351.3513.542.01.415.307-80.1284.01624.271.53.010.031.3514.7535.92250 1200.3043.328-90.2566.04.0320 2002464.00.854.59.61.0510.0814.589-50.7685.04.2500 3203904.80.552.7513.821.0514.5217.2611-120.1286.04.0250 1201624.271.59.010.931.415.3041.891.3514.750.262.
13、8412-130.2564.04.0320 2002464.00.853.49.61.0510.0813.4813-60.7683.04.2500 3203904.80.551.6513.821.0514.5216.172.04.0250 1201.415.3014-150.1281624.271.53.010.931.3514.7536.370.3043.315-701.5127.04.5500 2503334.090.64.210.030.262.6120.35分叉三通分流三通管路总阻力备注(Pm+Z)(Pa)散流器阀门63.89分叉三通分叉三通矩形弯头分流三通阀门分流三通68.12分叉三
14、通分流三通分流三通散流器阀门71.54分叉三通分流三通分流三通散流器56.72阀门分叉三通矩形弯头41.3513.541.415.3015.3017-180.1282.34.0250 1201624.271.53.5310.931.3514.7514.750.3043.33.32风量 L管初选管道尺寸当量实际单位长度摩擦阻力动压局部阻力局部阻力管段管段长风速直径流速摩擦阻力（ V2/2总阻力（m3/habPm系数Z编号LVDVRm）Pm+Z）（ mm）（ Pa）（ Pa）(m)(m/s)（ mm）(m/s)Pa/m（ Pa）(Pa)18-190.2565.44.0320 2002464.00.
15、854.599.61.0510.0814.6719-80.7683.94.2500 3203904.80.552.1513.821.0514.5216.671.415.3013-14 0.1282.04.0250 1201624.271.53.010.931.3514.7536.370.3043.3214-80.512500 2503334.093.6610.030.262.6121.816.14.50.61.4514.541.415.3036.3720-21 0.1282.04.0250 1201624.271.53.010.931.350.30414.751.053.3221-220.25
16、63.04.0320 2002464.00.852.559.61.0510.0812.6322-230.5124.04.5500 2503334.090.62.410.031.0510.5312.9323-160.7681.54.2500 3203904.80.550.8313.821.0514.5215.3416-240.7688.04.2500 3203904.80.554.413.821.0515.5219.9224-251.928.06.0630 5005576.00.655.222.251.0523.3628.56800 8001.0522.6826.3525-263.8410.7.
17、58006.00.353.6721.61.0529.1655.51526-94.605.57.5800 8008007.20.452.4731.11.0532.6535.13阀门36.89-管路总阻力备注 ( Pm+Z) (Pa)分流三通68.23分流三通散流器阀门58.18分叉三通矩形弯头阀门散流器阀门分叉三通77.27分流三通分流三通-分流三通-139.12-分流三通51.415.30散流器21-220.1282.04.0250 1201624.271.53.010.931.3514.7536.3778.12阀门0.3043.32分叉三通22-230.2564.04.0320 200246
18、4.00.853.49.61.0510.0813.40分流三通风量 L管初选管道尺寸当量实际单位长度摩擦阻力动压局部阻力局部阻力管段管段长风速直径流速摩擦阻力（ V2/2总阻力（m3/habPm系数Z编号LVDVRm）Pm+Z）（ mm）（ Pa）（ Pa）(m)(m/s)（mm）(m/s)Pa/m（ Pa）(Pa)23-240.5124.04.55002503334.090.62.410.031.0510.5312.9324-300.7681.54.25003203904.80.550.82513.821.0514.5215.3425-260.1282.04.02501201624.271.
19、53.010.931.415.3035.871.3514.7526-270.2562.04.03202002464.00.851.79.61.0510.0811.7827-280.3843.04.24002503073.840.92.78.840.3042.685.3928-290.7684.04.05004004443.840.52.08.841.059.2811.2829-311.1521.55.06304004894.50.50.7512.151.0512.7513.502501201.415.3010-110.1282.04.01624.271.53.010.931.3514.7535
20、.9211-120.2566.04.0320 2002464.00.855.19.60.3043.3215.181.0510.0812-260.7683.54.05004004443.840.51.758.841.059.2811.03主管9.894.87.0140011667.10.351.9230.241.0535.4336.291000两层21.025.57.5140023337.50.180.8633.751.0531.7533.67管路总阻力备注(Pm+Z)(Pa)分流三通-分流三通散流器阀门77.82分流三通分叉三通分流三通分流三通散流器阀门62.13分叉三通分流三通分流三通36.
21、29分流三通33.67分流三通6总管2000二层管径计算和阻力计算管初选当量实际单位长度动压局部阻力管段管路管段风量 L管道尺寸直径流速摩擦阻力摩擦阻力局部阻力总阻力长风速（ V2/2系数总阻力编号（m3/habDVRmPmZ备注LV）Pm+Z( Pm+Z)）（ mm）（ mm）(m/s)Pa/m（ Pa）（ Pa）(Pa)(m)(m/s)（ Pa）(Pa)1-20.1062.04.01601601604.101.452.910.081.414.1130.61散流器1.3513.61阀门2-30.2124.04.22502001334.242.18.410.7811.6785.660.3043
22、.27分叉三通3-40.4247.54.5320 2502805.301.29.016.851.0517.6925.69分流三通4-50.8484.05.0400 4004005.300.72.816.851.0517.6920.49分流三通5-61.6968.05.0630 5005575.300.463.6816.850.3045.128.8分叉三通6-73.6048.05.5800 6307047.150.655.230.671.0532.2037.4分流三通7-84.3468.07.0800 8008006.790.483.8427.661.0529.0432.88139.93分流三通
23、8-94.9827.47.01000808006.20.554.0723.061.0524.1228.28分流三通3.410009-105.6187.58887.020.451.5329.561.0531.0432.57分流三通80012-130.1062.04.0160 1601604.101.452.910.081.414.1130.61散流器1.3513.61阀门13-140.2122.04.22502001334.242.14.210.785.370.3043.27分叉三通93.7414-150.3184.04.2400 2002663.980.72.89.450.3042.875.6
24、7分叉三通15-160.6364.04.5500 2503335.080.853.415.481.0516.2519.65分流三通16-61.064.05.5500 3203906.61.255.026.141.0527.4432.44分流三通717-180.1062.04.01604.101.452.910.081.414.1130.61散流器160 1601.3513.61阀门18-190.2122.04.2250 2001334.242.14.210.780.3043.277.4785.86分叉三通19-200.4248.04.5320 2502805.301.29.616.851.05
25、17.6927.29分流三通20-50.8484.05.0400 4004005.300.72.816.851.0517.6920.49分流三通21-220.1062.04.0160 1601604.101.452.910.081.414.1130.61散流器1.3513.61-阀门风量 L管初选管道尺寸当量实际单位长度摩擦阻力动压局部阻力局部阻力管段管路管段长风速直径流速摩擦阻力（ V2/2总阻力总阻力（m3/habPm系数Z备注编号LVDVRm）Pm+Z( Pm+Z)）（ mm）（ Pa）（ Pa）(m)(m/s)（ mm）(m/s)Pa/m（ Pa）(Pa)(Pa)22-230.2122
26、.04.2250 2001334.242.14.210.780.3043.277.47分叉三通23-240.4248.04.5320 2502805.301.29.616.851.0517.6927.2985.16分流三通24-60.8483.05.0400 4004005.300.72.116.851.0517.6919.79分流三通1.414.11散流器25-260.1066.04.0160 1601604.101.458.710.081.3513.6133.23阀门0.262.6276.91矩形弯头26-270.3184.04.2400 2002663.980.72.89.451.059.912.7分流三通27-70.7423.05.0500 3203904.640.51.512.911.0513.5632.48分流三通1