关于汽油机冷却系统的简短介绍英语作文

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关于汽油机冷却系统的简短介绍英语作文

篇一

A typical 4 cylinder vehicle cruising along the highway at around 50 miles per hour, will produce 4000 controlled explosions per minute inside the engine as the spark plugs ignite the fuel in each cylinder to propel the vehicle down the road. Obviously, these explosions produce an enormous amount of heat and, if not controlled, will destroy an engine in a matter of minutes. Controlling these high temperatures is the job of the cooling system.

The modern cooling system has not changed much from the cooling systems in the model T back in the 20s. Oh sure, it has become infinitely more reliable and efficient at doing it’s job, but the basic cooling system still consists of liquid coolant being circulated through the engine, then out to the radiator to be cooled by the air stream coming through the front grill of the vehicle.

篇二

In flammable mixer when burning gas cylinders temperatures as high as 2073-2273 k, directly with high temperature gas contact part of the such as cylinder body (cover, the

Pistons, cylinder valve, etc) in time if not cooled, the movement for the parts which expands and disrupt the normal clearance, or because of the failure of high temperature lubricating oil in card to die: because of


high temperature parts to the mechanical strength to reduce or even damage. Therefore, to ensure that the engine normal work, must be in high temperature condition to work part of the cooled.

The engine cooling must be moderate. If the engine cooling is insufficient, can make the cylinder Chong Qi Liang shortage and appeared earlier ran and deflagration and combustion is not normal phenomenon, the power of engines will decline, and engine components in bad lubrication and accelerate wear.

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