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  • The difference between air-cooled engines and water-cooled engines

    You are here: Home » News » Technical Articles » The difference between air-cooled engines and water-cooled engines

    1) Different cooling medium: the engine using the liquid (such as water or oil) to cool the engine is called liquid-cooled engine, the engine using the air to take away a quantity of redundant heat in the engine is called air-cooled engine.

    2) Different thermal efficiency: thermal efficiency of liquid-cooled engine is higher than that of air-cooled engine, but the liquid-cooled engine’s structure is more complex; the air-cooled engine has the advantages of simple structure, light weight, low cost, beautiful shape, etc.

    3) Natural air cooling and forced air cooling: The cooling system of the existing air-cooled engine only cool its surface (cabinet), but high temperature load parts (oil) like piston, cylinder, valve which operate in the engine inside can not be timely and effectively cooled. The heat only reaches the engine surface (casing) by gradual transferring and radiation between the parts.

    The characteristics of air cooling engine: Air cooling engine adapts to the area lack of water such as desert. After cold car starts, the engine warm-up time is short. And air cooling engine has no cooling jacket, pump parts, etc, and has no problem of cavitation in cylinder liner and outer surface. It has simple structure, convenient maintenance, good adaptability to the environment, such as area of bitter cold or torried heat.
    
    The advantages of air cooling engine include high reliability, long life, strong adaptability.

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