cooling
Sign in to savethumb|A cooling fan Cooling is removal of heat, usually resulting in a lower temperature and/or phase change. Temperature lowering achieved by any other means may also be called cooling. The transfer of thermal energy may occur via thermal radiation, heat conduction or convection. Examples can be as simple as reducing temperature of tea.
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thumb|A cooling fan Cooling is removal of heat, usually resulting in a lower temperature and/or phase change. Temperature lowering achieved by any other means may also be called cooling. The transfer of thermal energy may occur via thermal radiation, heat conduction or convection. Examples can be as simple as reducing temperature of tea.
==Devices== Coolant Cooling towers, as used in large industrial plants and power stations Daytime passive radiative cooler thumb|An evaporative cooler near Hakata Station in Fukuoka, Japan Evaporative cooler Heat exchanger Heat pipe Heat sink HVAC (Heating, Ventilation and Air Conditioning) Intercooler Radiative cooling in Heat shields Radiators in automobiles thumb|Pumpable ice in the basement of a supermarketPumpable ice technology Thermoelectric cooling Vortex tube, as used in industrial spot cooling