|
surface pipe quantity
|
B
|
length of surface pipe
|
24
|
30
|
42
|
54
|
78
|
|
A
|
720
|
870
|
1170
|
1470
|
2070
|
|
basic index
|
number of rows
|
|
|
|
|
|
|
6
|
318
|
heat radiating area
heat radiating area
surface area under wind
effective sectional area
inlet and outlet pipe joint
Weight
|
2
4
2/4
2/4
2/4
2/4
|
4.7
9.4
1.157
0.083
1
19/34
|
5.84
11.86
0.196
0.108
1
22/40
|
8.12
16.24
0.273
0.145
1
28/50
|
|
|
|
10
|
474
|
heat radiating area
heat radiating area
surface area under wind
effective sectional area
inlet and outlet pipe joint
Weight
|
2
4
2/4
2/4
2/4
2/4
|
7.82
15.61
0.253
0.131
1
28/50
|
9.72
19.44
0.315
0.167
1
33/59
|
13.56
27.12
0.438
0.233
1
41/73
|
17.42
34.84
0.563
0.298
1
50/90
|
25.08
50.16
0.812
0.430
1
72/129
|
|
15
|
669
|
heat radiating area
heat radiating area
surface area under wind
effective sectional area
inlet and outlet pipe joint
Weight
|
2
4
2/4
2/4
2/4
2/4
|
11.72
23.44
0.372
0.197
2
46/83
|
14.58
29.16
0.463
0.245
2
53/96
|
20.34
40.68
0.645
0.342
2
68/122
|
26.12
52.24
0.828
0.438
2
82/148
|
37.62
75.24
1.192
0.632
2
111/220
|
|
24
|
1020
|
heat radiating area
heat radiating area
surface area under wind
effective sectional area
inlet and outlet pipe joint
Weight
|
2
4
2/4
2/4
2/4
2/4
|
18.8
37.6
0.586
0.310
2
57/102
|
23.32
46.64
0.729
0.386
2
79/142
|
32.54
65.08
1.016
0.538
2
101/182
|
41.8
83.6
1.307
0.693
2
122/220
|
60.20
120.40
1.881
0.998
2
164/295
|
Air heat exchanger 
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