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风机盘管的计算及风管水力计算.xls

总新风量首层1830

二层2010

顶层2010

总计5850干管风管

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-b 1020.000 2.02250.00250.00155 1.2900 4.53k-j 420.000 2.50200.00120.00155 2.4500 4.86j-i 540.000 6.60200.00160.00155 1.9700 4.69i-b 810.000 2.93250.00200.00155 1.4900 4.50a-b 1830.000 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

2.85

68.0265

4.86#REF!#REF!

27.22

14.0810.6513.241.831.834.863.964.834.534.691.2051.2051.2051.2051.2051.205

1.000.861.000.20

1.2051.2051.2051.205y-x

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

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 3.00250.00200.0020.84000.28007-g 90.000 3.00120.00120.002 1.83000.61009-f 60.000 3.00120.00120.002 1.83000.61006-f 90.000 3.00120.00120.002 1.83000.61005-e 90.000 3.00120.00120.002 1.83000.610010-e 60.000 3.00120.00120.002 1.83000.61004-d 90.000 3.00120.00120.002 1.83000.610011-d 60.000 3.00120.00120.002 1.83000.6100c-390.000 3.00120.00120.002 1.83000.6100c-1260.000 3.00120.00120.002 1.83000.6100i-2150.000 3.00200.00120.002 1.38000.4600i-13120.000 3.00160.00120.002 1.53000.5100k-1420.000 3.00250.00250.0020.72000.2400j-14120.000

3.00

160.00

120.00

1.53000.5100总计

22.4700

#REF!#REF!

1.205

1.205y-x a-y

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

90 90 330 60 60 60 60 120 120

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