A radiator is a type of heat exchanger designed to transfer thermal energy from one medium to another. While the name implies that it uses thermal radiation, most radiators actually transfer the majority of their heat through convection. Radiators serve two completely opposite primary functions depending on the context: cooling machinery or heating indoor living spaces. Automotive Radiators (Cooling Systems)
In internal combustion vehicles, the radiator is the core component of the engine cooling system. Its main job is to prevent the engine from overheating, which could cause catastrophic component failure.
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