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Heat Exchangers
Automobiles use heat exchangers (radiators) to cool engine heat with outside air.
Heat exchangers all use a thermally conducting element generally in the form of a tube or plate or wall to separate two fluids so that one set of fluid can transfer thermal energy to the other. Home heating systems use a heat exchanger to transfer gas heat to water or air, which is circulated through the house. Power plants use locally available water or ambient air in quite large heat exchangers to condense steam from the turbines. Many industrial applications use small heat exchangers to create or maintain a required temperature.
A heat exchanger is a device, such as an automobile radiator, used to transfer heat from a fluid on one side of a barrier to a fluid on the other side. Usually the fluids in a heat exchanger to not come into contact. Home heating systems work because of heat exchangers where hot gas from combustion of wood, coal or oil passes through a heat exchanger that warms air or water that then circulates through a home or office. Heat exchangers provide a simple method of controlling a system or substance's temperature by adding or removing thermal energy. There are many different sizes, levels of sophistication, and types of heat exchangers.