散热器 Radiator (engine cooling)
（重定向自Surface radiator）
![Fotografía de un Rolls-Royce Phantom IV con el emblemático radiador tipo Partenón. La parte triangular de su carcasa y rejilla frontal presentan una curvatura ligeramente convexa para lograr una apariencia rectilínea, un efecto óptico utilizado por los antiguos griegos en ese templo.[1]](/uploads/202502/14/Rolls-Royce_Phantom_IV,_4AF18,_detalle1729.jpg)
有些设备工作时会产生大量的热量，而这些多余的热量不能有快速散去并聚积起来产生高温，很可能会毁坏正在工作的设备，这时散热器便能有效地解决这个问题。散热器是附在发热设备上的一层良好导热介质，扮演犹如中间人一样的角色，有时在导热介质(导热膏)的基础上还会加上风扇等等东西来加快散热效果。但有时散热器也扮演强盗的角色，如冰箱的散热器是强制抽走热量，来达到比室温更低的温度。
Surface radiator
中文百科
英语百科
Radiator (engine cooling) 散热器
（重定向自Surface radiator）
1729.jpg)
Radiators are heat exchangers used for cooling internal combustion engines, mainly in automobiles but also in piston-engined aircraft, railway locomotives, motorcycles, stationary generating plant or any similar use of such an engine.
Internal combustion engines are often cooled by circulating a liquid called engine coolant through the engine block, where it is heated, then through a radiator where it loses heat to the atmosphere, and then returned to the engine. Engine coolant is usually water-based, but may also be oil. It is common to employ a water pump to force the engine coolant to circulate, and also for an axial fan to force air through the radiator.
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