This is because of the latent heat of evaporation.
2.
This evaporation has a cooling effect due to the latent heat of evaporation of water.
3.
Because water containing heavier isotopes has a higher heat of evaporation, its proportion decreases with colder conditions.
4.
When removing the water, more than 99 % of the energy needed goes towards supplying the heat of evaporation.
5.
The latent heat of evaporation absorbed by the vaporisation of the working fluid reduces the temperature at the hot end of the pipe.
6.
Their effectiveness is limited by the fact that they increase the humidity of the air because the heat goes into latent heat of evaporation.
7.
Dry air and a breeze speeds evaporation of the water, and this cools the milk ( because the latent heat of evaporation has to come from somewhere ).
8.
Leading to one of the biggest problems in industrial evaporation, the process requires enough energy to remove the water from the solution and to supply the heat of evaporation.
9.
"Evaporative cooling "-In winter, dry surface air entering a moisture-saturated cave may have an additional cooling effect due to the latent heat of evaporation.
10.
Ammonia refrigerant is cheaper, easily available and has a high latent heat of evaporation but it is also highly toxic and can form an explosive mixture when mixed with oil containing high percentage of carbon.
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