Essay On Car Engine

2018 Words9 Pages
Introduction Nowadays, cars play a very important role in our lives. Although very complex, they are some of the best facilities the human being has created. Cars are powered by engines. There are many types of engines, according to, the number of strokes, the design of the engine, the fuel used, the method of ignition, the arrangement of the cylinder and the air intake process. For example; four stroke engine, two stroke engine, rotary engine, diesel engine, electric engine, single cylinder engine, and much more. In this IDU I am going to explore and explain how car engines work, more specifically how the four stroke engine works, since this one is the one that is most used in cars. I will also explore the relationship between the most…show more content…
A four stroke engine is one of the many types of engines, which I mentioned earlier. It´s nowadays, the most used . The four stroke engine was one of the first to exist. This engine takes in fuel, uses it to produce energy using a combustion reaction and then releases the remaining…show more content…
Combustion, also known as burning, is the main chemical process that releases energy from a fuel and air mixture. In an internal combustion(ICE), the combustion is happening in the engine itself. This engine converts the energy produced from the fuels, in order to function. The most usual four-stroke engine has four cylinders which are fixed, with a piston inside each of them. 4 Strokes The internal combustion engine has four strokes, cycles by which the engine does to release the fuels. These strokes are: Intake, compression, power and exhaust stroke. The first one that takes place is the intake stroke. The engine takes air from the atmosphere, gasoline (hydrocarbon fuel). This becomes a vaporized mixture, which enters the engine through the intake valve, as you can see on the picture on the right. During this stroke, the piston is at it’s lowest point. The fact that the piston is at the bottom(see picture to the right), creates a vacuum, which lets the mixture get through the valve. This process is a very similar to drinking with a straw; your mouth creates a vacuum, and the liquid moves up the straw so that then it can get to the vacuum, your

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