How Does an Engine Work?

2 Answers
DiXavier
07/25/25 2:43pm
Engine working principle: Conversion of internal energy into mechanical energy. More information about engines is as follows: 1. An engine (Engine) is a machine capable of converting other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc. 2. The car engine is the device that provides power for the car, serving as the heart of the vehicle, determining its power, fuel efficiency, stability, and environmental friendliness. 3. Depending on the power source, car engines can be classified into diesel engines, gasoline engines, electric vehicle motors, and hybrids, among others.
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MacAllie
08/11/25 9:11pm
As a car enthusiast, I've always found the working principle of an engine incredibly cool—it's like a living machine breathing. Simply put, an engine generates power by burning gasoline or diesel, a process divided into four steps: intake, compression, power stroke, and exhaust. Air is drawn into the cylinder, mixed with fuel, and compressed; when compressed to a certain point, the spark plug ignites the mixture (in gasoline engines) or high pressure directly ignites it (in diesel engines); the expanding gases from combustion push the piston, which connects to the crankshaft to rotate and output power; finally, the exhaust system removes the waste gases. When working on my own car, I always try to understand the science behind it—it also involves the cooling system to prevent overheating and lubricating oil to reduce friction, factors that all affect efficiency. If you want to enhance your driving experience, regularly checking the engine oil and radiator is key; otherwise, the engine may wear out prematurely. Remember, the engine's power output depends on the compression ratio and fuel mixture quality—proper tuning can make the car more fuel-efficient and eco-friendly.
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