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Supercharged engine (performance is import export databasecomprehensively improved!Supercharged engine allows you to gallop to your heart's content) With the continuous development of the automobile industry, people's requirements for automobile performance are also getting higher and higher. Under such a background, supercharged engines are gradually accepted by the majority of car owners as an engine with excellent performance and powerful power. This article will introduce the working principle, performance characteristics, advantages and disadvantages of the supercharged engine in detail. I. Working principle of supercharged engine Supercharged engine refers to improving fuel combustion efficiency by increasing gas pressure, so as to achieve the purpose of improving engine power performance. It increases the air intake by supercharging, thereby increasing the energy density of fuel combustion and making the engine output more powerful. There are two common types of supercharged engines. One is a mechanical supercharged engine, which is supercharged by engine-driven turbocharger or mechanical gear transmission.The other is a turbocharged engine, which is supercharged by a turbocharger. Here we focus on the working principle of the turbocharged engine. Turbocharged engines are based on the principle of exhaust gas braking. Exhaust gas braking refers to the technology of using the kinetic energy of exhaust gas to slow down, stop or provide a small amount of power to moving objects. The turbocharger is to drive and rotate the turbine through the kinetic energy of the exhaust gas flow, so that the coaxial compressor rotates, thus compressing the intake, improving the fuel combustion efficiency, and achieving the supercharging effect. II. Performance characteristics of the supercharged engine. The biggest feature of the supercharged engine is that it has strong power, and it can burst out strong power at low speed, and the acceleration ability is very rapid. At the same time, the fuel efficiency of supercharged engines is also higher than that of ordinary engines, and the emissions of the engine are also relatively reduced.Another feature of the supercharged engine is that the supercharged engine is relatively stable and does not have a sense of burrs. Another reason why sports car enthusiasts like supercharged engines is that it has a relatively wide torque and power curve, which can output more power at different speeds. III. Advantages and disadvantages of supercharged engines. In terms of performance, the advantages of supercharged engines are obvious. It can provide stronger power, better acceleration performance, relatively high fuel efficiency, and relatively few pollutants emitted by the engine. However, in the process of actual use, the supercharged engine also has some shortcomings. First of all, the supercharged engine needs more maintenance due to its complex structure. Secondly, the supercharged engine may overheat during use, affecting the life of the engine. In addition, compared with ordinary engines, the maintenance cost of supercharged engines will be higher in terms of maintenance costs.IV. Conclusion In general, the supercharged engine is a very strong power output mode. It can provide excellent acceleration performance and fuel efficiency, while having a relatively stable torque and power output curve. However, when we buy a vehicle, we also need to choose the engine type according to our actual needs and economic strength. We can't easily choose a supercharged engine just because of good performance. We should choose according to our own actual needs, which is the most reasonable choice.

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