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KW Calculations for Process Heaters:
(See tables below for properties of commonly heated mediums)
*Important Note: This calculation is provided for reference purposes only, and must not be used for any other purpose. Contact a qualified factory representative for final sizing before specifying, ordering, or using any process heater.
KW required to heat gases, liquids, or solids:
(includes 25% safety factor)
SUBSTANCE |
Sp. Heat |
Wt. in lbs. per gallon |
|
SUBSTANCE |
Specific Heat |
Weight in lbs per cubic foot at approx. 70° F. |
| Acetic Acid |
.49 |
8.75 |
|
Acetylene |
.35 |
.068 |
| Alcohol |
.65 |
6.58 |
|
Air |
.237 |
.080 |
| Benzine |
.45 |
7.34 |
|
Alcohol |
.453 |
........ |
| Ether |
.503 |
6.14 |
|
Ammonia |
.520 |
.048 |
| Glycerine |
.58 |
10.43 |
|
Argon |
.124 |
.1033 |
| Mercury |
.0333 |
112.97 |
|
Carbon Dioxide |
.203 |
.1144 |
| Oil, Cottonseed |
.47 |
7.92 |
|
Carbon Monoxide |
.243 |
.0725 |
| Oil, Olive |
.471 |
7.67 |
|
Chlorine |
.125 |
.1853 |
| Paraffin, Melted |
.71 |
7.49 |
|
Ethylene |
.37 |
.078 |
| Petroleum |
.51 |
7.26 |
|
Helium |
1.25 |
.0103 |
| Sulphur, melted |
.234 |
15.01 |
|
Hydrochloric Acid |
.189 |
.095 |
| Turpentine |
.42 |
7.21 |
|
Hydrogen |
3.41 |
.0056 |
| Water |
1.0 |
8.34 |
|
Methane |
.536 |
.0446 |
| |
|
|
|
Methyl Chloride |
.197 |
.142 |
| |
|
|
|
Nitric Oxide |
.237 |
.0777 |
| |
|
|
|
Nitrogen |
.249 |
.073 |
| |
|
|
|
Oxygen |
.219 |
.083 |
| |
|
|
|
Sulphur Dioxide |
.149 |
.166 |
|
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