KILOWATT
HOURS TO HEAT AIR
|
|||||||||||||||||||||||||
Amount
of Air
|
Temperature
Rise
|
||||||||||||||||||||||||
°F
|
50
|
100
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
||||||||||||||
CFM |
CMH
|
°C
|
10
|
37.8
|
66
|
93
|
121
|
149
|
177
|
204
|
232
|
260
|
316
|
||||||||||||
100
|
58.85
|
1.7
|
3.3
|
5.0
|
6.7
|
8.3
|
10.0
|
11.7
|
13.3
|
15.0
|
16.7
|
20.0
|
|||||||||||||
200
|
117.70
|
3.3
|
6.7
|
10.0
|
13.3
|
16.7
|
20.0
|
23.3
|
26.7
|
30.0
|
33.3
|
40.0
|
|||||||||||||
300
|
176.55
|
5.0
|
10.0
|
15.0
|
20.0
|
25.0
|
30.0
|
35.0
|
40.0
|
45.0
|
50.0
|
60.0
|
|||||||||||||
400
|
235.40
|
6.7
|
13.3
|
20.0
|
26.7
|
33.3
|
40.0
|
46.7
|
53.3
|
60.0
|
66.7
|
80.0
|
|||||||||||||
500
|
294.25
|
8.3
|
16.7
|
25.0
|
33.3
|
41.7
|
50.0
|
58.3
|
66.7
|
75.0
|
83.3
|
100.0
|
|||||||||||||
600
|
353.10
|
10.0
|
20.0
|
30.0
|
40.0
|
50.0
|
60.0
|
70.0
|
80.0
|
90.0
|
100.0
|
120.0
|
|||||||||||||
700
|
411.95
|
11.7
|
23.3
|
35.0
|
46.7
|
58.3
|
70.0
|
81.7
|
93.3
|
105.0
|
116.7
|
140.0
|
|||||||||||||
800
|
470.80
|
13.3
|
26.7
|
40.0
|
53.3
|
66.7
|
80.0
|
93.3
|
106.7
|
120.0
|
133.3
|
160.0
|
|||||||||||||
900
|
529.65
|
15.0
|
30.0
|
45.0
|
60.0
|
75.0
|
90.0
|
105.0
|
120.0
|
135.0
|
150.0
|
180.0
|
|||||||||||||
1000
|
588.50
|
16.7
|
33.3
|
50.0
|
66.7
|
83.3
|
100.0
|
116.7
|
133.3
|
150.0
|
166.7
|
200.0
|
|||||||||||||
1100
|
647.35
|
18.3
|
36.7
|
55.0
|
73.3
|
91.7
|
110.0
|
128.3
|
146.7
|
165.0
|
183.3
|
220.0
|
|||||||||||||
1200
|
706.20
|
20.0
|
40.0
|
60.0
|
80.0
|
100.0
|
120.0
|
140.0
|
160.0
|
180.0
|
200.0
|
240.0
|
|||||||||||||
Use the maximum anticipated airflow. This equation assumes insulate duct (negtigible heat loss) Equation to calculate kilowatts:
For Compressed Air:
*Measured
at normal temperature and pressure. |
| KW
hours heat Steel | KW hours heat Water
| KW hours heat Air | KW
hours heat Oil | Watt Density Chat
|
| Appliances
| Water Heater | Component
Heater | Immersion Heater | Circulation
Heaters |
| Process Air Heaters | Canteen
Equipments | Control Panel |
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