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Design high-efficiency engine: use science and International trade database customizationtechnology to improve fuel efficiency With the enhancement of environmental protection awareness and the increase of energy pressure, the improvement of engine fuel efficiency has become an important topic in the automobile manufacturing industry. The engine is the heart of the car, and the improvement of its efficiency can not only reduce environmental pollution, but also reduce energy consumption. Therefore, how to design efficient engines is one of the goals pursued by automobile manufacturers. This article will explore how to use science and technology to improve fuel efficiency from the aspects of design concepts, materials and technologies to realize the design of efficient engines. The design concept of the high-efficiency engine mainly includes the following aspects: 1. Optimizing the cylinder shape and propulsion system The cylinder shape and propulsion system have a great impact on engine efficiency.Optimizing the cylinder shape can improve combustion efficiency and reduce energy loss during combustion. Some modern engines are shaped like spark plugs, which can make fuel burn more fully. In addition, the optimization of the propulsion system can also improve the air flow effect and reduce the risk of leakage, thus further improving fuel efficiency. Two. Using inert gases to add inert gases (such as argon or nitrogen) to internal combustion engines can effectively transfer heat and reduce vortex, thus improving fuel utilization and reducing energy loss. In addition, inert gases can also increase the density of the combustion chamber and the temperature of the intake pipe to improve fuel efficiency. 3. Adopting new coating technology, coating technology can improve the surface quality and wear resistance of engine parts, reduce friction and energy loss between machines, and thus improve fuel efficiency. At present, someThe application of new coating technology has achieved remarkable results, such as the use of ultra-thin diamond carbon coated pistons, which can reduce the friction coefficient and thus improve fuel efficiency. The choice of materials has an important impact on engine performance and fuel efficiency. The working environment of the engine is relatively harsh. The materials required for the engine need to have high strength, wear resistance, high temperature resistance, corrosion resistance and other characteristics. At the same time, it also needs to have lightweight characteristics to reduce quality and improve fuel efficiency. The following are some materials used in modern engines: 1. Titanium alloy Titanium alloy has excellent mechanical properties and low density characteristics, which can be used to manufacture parts needed for engines, such as turbine blades, valve springs, etc. Compared with traditional steel materials, using titanium alloy to manufacture engine parts can reduce mass and improve fuel efficiency. Two. Aluminum alloy has excellent thermal conductivity and mechanical properties, and is also one of the commonly used lightweight materials.At present, many engine parts, such as cylinder heads and oil spans, have been used to replace traditional cast steel. These changes can significantly reduce the quality of the engine and improve its fuel efficiency. 3. Carbon fiber composite carbon fiber composite has the characteristics of super strength, rigidity and lightweight, which can be used to manufacture engine heat dissipation covers, valves, oil lines, fans and other components to reduce engine quality and improve fuel efficiency. The development of technology plays a crucial role in improving the fuel efficiency of the engine. The following are some technologies used in modern engines: 1. Turbocharging technology Turbocharging technology uses the exhaust turbine to drive the intake compressor to increase the air density and improve the cylinder quality effect of the engine, thus improving fuel efficiency. Two. Direct injection technology Direct injection technology utilizationHigh-pressure injection technology injects fuel directly into the combustion chamber to make the fuel burn more fully, thus reducing emissions and improving fuel efficiency. 3. Intelligent control system Intelligent control system can adjust the working state of the engine according to different working states and environments, so as to improve fuel efficiency. For example, parameters such as fuel supply and ignition timing can be controlled according to vehicle speed, throttle and engine load. Conclusion The design of high-efficiency engines is an important trend in the modern automobile manufacturing industry, which can reduce environmental pollution and energy consumption. In order to realize the design of an efficient engine, it is necessary to start from many aspects such as design concept, materials and technology, and adopt appropriate materials and technologies to ensure the stability and reliability of engine performance while improving fuel efficiency.

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