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* The DigiPlus stockworking process of the engine: internal combustion triggers energy-driven piston movement. The engine is the core of modern transportation. Its function is to convert chemical energy into mechanical energy to drive the movement of the car. The principle of the engine is that internal combustion triggers energy, and the energy is converted into mechanical power through the movement of the piston to drive the car. This article will introduce the working principle of the engine and the detailed description of the working process. How does the engine work? How does the engine convert chemical energy into mechanical power? It mainly triggers energy by burning a mixture of air and fuel, and then converts the energy into the movement of the piston to drive the movement of the car. The engine mainly consists of four key parts, namely cylinder, piston, crankshaft and spark plug.When the engine starts, the mixture of air and fuel enters the cylinder, and then ignited by the spark plug, triggering combustion and producing high temperature and high pressure. This high temperature and high pressure state pushes the piston downward, and the crankshaft then transforms the piston movement into continuous rotational motion, producing mechanical force and driving the movement of the car. The working process of the engine. The working process of the engine is introduced in detail below: 1. The intake valve is opened: After the engine starts, the mixture of air and fuel enters the cylinder under the action of the intake valve. Two. Compressed intake mixture: The cylinder piston begins to move upwards. In the process, the intake valve and exhaust valve are closed, and the mixture is compressed until it is very dense. 3. Spark plug ignition mixture: When the cylinder piston completes the upward movement, the spark plug ignites the mixture, triggering an explosive reaction. Four. The explosion drives the piston down: the high temperature and high pressure caused by the combustion of the mixture push the piston down.5. The crankshaft transforms motion into continuous rotation: the piston movement is transformed into continuous rotational motion, because the crankshaft converts the piston movement into continuous rotational motion, thus driving the movement of the car. 6. Exhaust gas discharge: When the cylinder piston completes the downward movement, the exhaust valve opens to discharge the exhaust gas from the cylinder. The above is the whole working process of the engine. It should be noted that each cylinder needs to perform the above six steps, and the more cylinders there are, the more crankshafts and spark plugs are needed. Therefore, the operating cost of multi-cylinder engines is relatively high. How to improve the efficiency of the engine? Efficiency is a key factor in engine design, which can improve the efficiency of the engine through the following aspects: 1. Lightweight materials are used: Lightweight materials can reduce the weight of the engine, thus reducing frictional resistance and mechanical resistance and improving efficiency.Two. Improve internal details: The small details of the engine will also be reflected in efficiency. For example, reducing the resistance of the cooling system, adding the exhaust system to improve the exhaust flow, and improving all parts of the car to achieve better efficiency. 3. Improve the fuel system: The injection and ignition time of fuel need to be accurately coordinated in order to minimize the engine. In addition, the use of electrocatalysts can also increase the combustion efficiency of fuel. Four. Increase the number of cylinders: Although the cost of multi-cylinder engines is high, more cylinders can distribute the load of exhaust gas, thus improving efficiency. In summary, the engine is the core of modern transportation. Its working principle is to trigger energy by burning a mixture of air and fuel, and then convert it into the movement of the piston to drive the movement of the car. The efficiency of the engine can be improved by using lightweight materials, improving internal details, improving the fuel system and increasing the number of cylinders.The operation of the engine is a complex process, but we can also understand how it facilitates our lives through the above key points.

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