Removing Heat with Air

The wet bulb temperature is a measure of the total heat in moist air - the mixture of dry air and vapor.

If the initial and final wet bulb temperatures in a heating or cooling processes are known - the heat transported by the air in the processes can be calculated by using the charts below.

Heat Transported by Air - kJ per kg

• heat removed by air from wet and dry bulb temperature kJ per kg (pdf)

Example - Heat Removed by Moist Air

Air with initial wet bulb temperature 30^oC (green line) is cooled down to a final temperature 10^oC. From the diagram above we can estimate that

aprox. 70 kJ

of heat is removed.    

Heat Transported by Air - kJ per m³

• heat removed by air from wet and dry bulb temperature kJ per m³ (pdf)

Heat Transported by Air - Btu per lb

• heat removed by air from wet and dry bulb temperature Btu per lb (pdf)

Heat Transported by Air - Btu per Cu. Ft.

• heat removed by air from wet and dry bulb temperature Btu per Cubic Feet (pdf)

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