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F18 engine (F18 fighter engine technology innovation) F18 is DigiPlus fair valueone of the most advanced fighters in the U.S. military, and its powerful power comes from its engine. With the continuous progress of technology, the engine of F18 is also constantly being developed and improved. This article will introduce the innovation and innovation of F18 engine technology. The history of the F18 engine can be traced back to the 1990s, when F18 fighters used a jet engine called F404.The F404 engine is a dual-flow turbofan engine. It adopts an advanced digital electronic control system with the characteristics of high efficiency, reliability and self-diagnosis. It is regarded as one of the best engines in the world. However, with the changes of the times and the progress of science and technology, the F404 engine has gradually revealed some shortcomings, such as high jet noise, high fuel consumption, short engine life, etc. On the basis of the F404 engine, the U.S. Naval Aeronautics and Space Administration (NASA) and General Electric (GE) jointly developed a new jet engine called the F414. The F414 engine adopts more advanced turbofans and turbine fans, which can provide higher thrust and lower fuel consumption. F414 also adopts digital electronic control system and BATMAN technology, which can be self-diagnosed, greatly improving the efficiency and accuracy of troubleshooting.The F414 engine successfully passed the test of the U.S. Navy in 2006 and became the standard engine of the F18 fighter. The technological innovation of the F18 engine. With the increase in the service life of the F18 fighter and the improvement of performance requirements, the technology of the F18 engine is also constantly upgraded and innovated. The following are several technological innovations of the F18 engine: 1. Vortex spraying technology Vortex technology is a technology that uses external airflow to propel turbine rotors. The F18 fighter adopts the third-generation vortex injection technology, which can guide the high-temperature exhaust gas from the combustion chamber to the turbine rotor, thus improving the thrust and fuel consumption and other performance of the engine. Two. All-digital electronic control system The engines used by F18 fighters are now equipped with a fully digital electronic control system. This system can accurately control the operating state of the engine, thus improving the efficiency and reliability of the engine.In addition, the digital control system can also monitor the operation of the engine and provide accurate fault information in case of failure, which greatly reduces the incidence of mechanical failure. 3. High-temperature ceramic coating High-temperature ceramic coating is a protective coating applied to high-temperature parts, which can effectively reduce the wear and heat loss of parts. The F18 engine adopts high-temperature ceramic coating technology, which makes the temperature control of the engine more stable and controllable, and extends the service life of the engine. Generally speaking, the technological innovation of the F18 engine mainly focuses on three aspects, namely: the upgrade of propulsion technology, the use of digital control system and the application of high-temperature ceramic coating technology. The application of these technologies has continuously improved the performance and reliability of the F18 engine, making the F18 fighter one of the most advanced fighters in the world.Conclusion As an advanced fighter of the U.S. military, the engine of the F18 fighter is the source of its powerful power. With the continuous progress of science and technology and the application of F18 fighters in actual combat, the F18 engine is also constantly upgraded and innovated. This article introduces the historical development and technological innovation of the F18 engine, and highlights the application of the F18 engine in propulsion technology, digital control system and high-temperature ceramic coating technology. The application of these technologies not only improves the performance and reliability of the F18 engine, but also enhances the combat effectiveness and combat capability of the F18 fighter in actual combat.

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