The components in the water cooling system add weight, complexity, and cost to the engine. Water has a higher ability and can quickly move heat from the engine than air. While in some engines, heat is transferred from a closed loop of water to the radiator where the cooling is achieved. Special purpose or small engines are cooled using air from the atmosphere, which makes the system lightweight and relatively less complex. Modern internal combustion engines are cooled with both water and air, but some engine uses either air or liquid to remove the waste heat from the engine. As the heated fluid (hot water) flows into the radiator through the thin tubes, it gets cooled by an air stream. The heated fluid will then return to the radiator through a rubber hose, for cooling. The cooling system is a set of components that enables the flow of liquid coolant to the passages in the engine block and head so as to absorb combustion heat. Read: How To Bleed Cooling System In A Car Today we’ll be looking at the definition, functions, components, diagram, types, and working principles as well as the maintenance and repair of a cooling system in internal combustion engines. The fuel economy might suffer and emissions will rise. Even if the temperature outside is hot to about 110 degrees Fahrenheit or 10 below 0, the cooling still remains constant. The design is so efficient that, it maintains the engine at a constant temperature. Well, modern designs are more reliable and efficient doing circulation through the engine. Much has changed over the years in automobiles, but there is not much change in the engine cooling system. Although lubricating oil also helps in cooling the parts of the engine to some extent. In automobile engines, the cooling process is either by water or air, but both processes have their effectiveness. The circulation of the cooling will determine how long the engine and its component will serve. Because internal combustion engines create heat of extremely high temperatures, the cooling system is employed.
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