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风机盘管的计算及风管水力计算

总新风量首层1830

二层2010

顶层2010

总计5850

管选型及水力平衡计算

管段编号风量（m3/h）长度（m)管道宽 mm管道高 mm动压（mmH2O)风速（m/s)比摩阻（mmH2O/m)实际风速（m/s h-g330.000 4.30160.00120.001550.2800 4.77 g-f420.000 3.30200.00120.00155 2.4500 4.86 f-e570.000 3.30250.00160.00155 1.7600 3.96 e-d720.000 3.30250.00200.00155 1.4900 4.00 d-c870.0009.90250.00200.00155 1.4900 4.83 c-b1020.000 2.02250.00250.00155 1.2900 4.53 k-j420.000 2.50200.00120.00155 2.4500 4.86 j-i540.000 6.60200.00160.00155 1.9700 4.69 i-b810.000 2.93250.00200.00155 1.4900 4.50 a-b1830.000 5.23500.00250.001550.9000 4.07

管段编号

局部管件局部阻力系数总系数密度(kg/m3)空气流速（m/s)局部阻力（pa)总局部阻力（pa)90度弯管0.19

风阀0.25

送风口13.0090度弯管0.19变径接头0.65变径接头0.65三通0.04变径接头0.65三通0.04f-g 三通0.04 1.205 4.00四通0.35

变径接头0.65三通0.04

变径接头0.82四通0.35

变径接头0.65三通0.04

变径接头0.16变径接头90度弯管变径接头三通三通90度弯管

支路的水力计算表

支路

风量管长管道宽管道高动压风速

沿程阻力（pa)比摩阻

8-h 330.000

3.00250.00200.00

20.84000.2800

2.85

68.0265

4.86#REF!#REF!#REF!

27.22

14.0810.6513.241.205

1.831.834.863.964.834.534.691.2051.2051.2051.2051.2051.2051.00

0.86

1.00

0.20

1.2051.2051.2051.205y-x a-y

g-h e-f d-e c-d b-c x-b 局部阻力计算（删）

j-9i-j h-i 13.44

7-g90.000 3.00120.00120.002 1.83000.6100 9-f60.000 3.00120.00120.002 1.83000.6100 6-f90.000 3.00120.00120.002 1.83000.6100 5-e90.000 3.00120.00120.002 1.83000.6100 10-e60.000 3.00120.00120.002 1.83000.6100 4-d90.000 3.00120.00120.002 1.83000.6100 11-d60.000 3.00120.00120.002 1.83000.6100 c-390.000 3.00120.00120.002 1.83000.6100 c-1260.000 3.00120.00120.002 1.83000.6100 i-2150.000 3.00200.00120.002 1.38000.4600 i-13120.000 3.00160.00120.002 1.53000.5100 k-1420.000 3.00250.00250.0020.72000.2400 j-14120.000 3.00160.00120.002 1.53000.5100总计22.4700

风机盘管风量选风机盘管风量

3/h m3/h m3/h风机盘管型号台数4201970.6839782364.820774ECR-6003

150705.1465667846.1758801ECR-8001

90337.5732834405.08794ECR-3001

90406.3191005487.5829206ECR-3001

3301571.4322051885.718645ECR-8001

60273.7705796328.5246955ECR-3001

120547.8624013657.4348815ECR-6001

120567.4581716680.9498059ECR-6001总新风量1830

420

150

120

当量直径m管段沿程阻力（pa)

0.1411.8076

0.1579.2896

0.2056.9591

0.2248.2210

0.22144.6631

0.2525.6057

0.1560.0679

0.18127.5106

0.2242.7560

0.3346.1615

总计643.0420

实际风速当量直径m

1.830.22

1.740.12 1.160.12 1.740.12 1.740.12 1.160.12 1.740.12 1.160.12 1.740.12 1.160.12 1.740.15 1.740.14 1.870.25 1.740.14