air cooling

lowering the temperature of air

Air cooling is one method of dissipating heat. It works by making the object to be cooled have a larger surface area or have an increased flow of air over its surface, or both. An example of the former is to add fins to the surface of the object, either by making them integral or by attaching them tightly to the object's surface (to ensure efficient heat transfer). In the case of the latter it is done by using a fan blowing air into or onto the object one wants to cool. In many cases the addition of fins adds to the total volume of material making a heatsink that makes for greater efficiency in cooling.
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air-cooling /'eə,ku:liɳ/
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