Why does air blown by a fan feel colder than the other air in the room?
In: Physics
Moving air makes moisture on your skin (like sweat) evaporate more quickly.
Water evaporating takes energy and therefore reduces the temperature in the surroundings (this is why humans sweat, to cool the body).
You can also observe the same cooling effect when putting a wet cloth in front of a fan and measuring the temperature with a thermometer.
Doing the same experiment with dry cloth won’t result in any measurable cooling.
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