How does a single cylinder 4 stroke engine work? - letsdiskuss
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James D

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How does a single cylinder 4 stroke engine work?


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Do you know, what is a stroke engine? Here we are discussing working, types, main components, application and advantages of a 4 stroke engine.
Letsdiskuss
Famously known as four-cycle, in a four-stroke engine, the piston completes four separate strokes. It is an internal combustion engine which comprises a single thermodynamic cycle. Along the cylinder, stroke refers to the full travel of the piston, in either direction. The four separate strokes are like:
• INTAKE: At top dead center, this stroke of the piston begins. From the top of the cylinder to the bottom of the cylinder, the piston descends. It increases the volume of the cylinder. By atmospheric (or greater) pressure, a mixture of fuel and air is forced into the cylinder through the intake port.
• COMPRESSION: compressing the air or fuel-air mixture into the cylinder head the piston returns to the top of the cylinder with both intake and exhaust valves closed.
• POWER: In the second revolution of the cycle, this is the start. To Top Dead Centre (TDC), due to the heat generated by compression in a diesel engine, the piston is closed and the compressed air-fuel mixture in a gasoline engine is ignited by a spark plug in gasoline engines. From the combustion of the compressed fuel-air mixture, the resulting pressure forces the piston back down toward Bottom Dead Center (BDC).
• EXHAUST: to top dead center the piston once again returns during the exhaust stroke while the exhaust valve is open. Through the exhaust valve(s), this action expels the spent fuel-air mixture.


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