turbofan engine

简明释义

涡轮风扇发动机

英英释义

A turbofan engine is a type of jet engine that uses a fan to draw in air, compress it, mix it with fuel, and then ignite the mixture to produce thrust.

涡扇发动机是一种喷气发动机,利用风扇吸入空气,对其进行压缩,与燃料混合,然后点燃混合物以产生推力。

例句

1.Engineers are constantly improving the design of the turbofan engine to reduce noise.

工程师们不断改进涡扇发动机的设计,以减少噪音。

2.The turbofan engine is known for its ability to operate at high altitudes.

涡扇发动机以其在高空操作的能力而闻名。

3.The new aircraft is powered by a highly efficient turbofan engine.

这架新飞机由一台高效的涡扇发动机提供动力。

4.Many commercial airlines use turbofan engines for their long-haul flights.

许多商业航空公司在长途航班中使用涡扇发动机

5.The turbofan engine offers better fuel efficiency than traditional jet engines.

涡扇发动机比传统喷气发动机提供更好的燃油效率。

作文

The development of the turbofan engine has revolutionized the aviation industry, providing a more efficient and powerful means of propulsion for commercial and military aircraft. Unlike traditional turbojet engines, which produce thrust solely from jet exhaust, the turbofan engine utilizes a fan at the front that accelerates a large volume of air, creating additional thrust while maintaining fuel efficiency. This design allows for quieter operation and reduced fuel consumption, making it the preferred choice for modern airliners.One of the key advantages of the turbofan engine is its ability to operate efficiently at subsonic speeds. The large bypass ratio, which refers to the amount of air that bypasses the engine core compared to the amount that passes through it, contributes significantly to its efficiency. For instance, a high bypass ratio turbofan engine can produce more thrust with less fuel, which is crucial in an industry where operating costs are paramount.Moreover, the turbofan engine has also played a pivotal role in reducing noise pollution. As air travel became more accessible, concerns about noise levels near airports grew. The design of the turbofan engine, especially with the incorporation of sound-dampening technologies, has helped mitigate these issues. Modern engines are equipped with features like chevrons on the fan blades and nozzles that help to smooth out the airflow, thereby reducing noise.In addition to efficiency and noise reduction, the turbofan engine is also known for its reliability. Engineers have worked diligently to enhance the durability of these engines, ensuring they can withstand the rigors of flight. With advancements in materials and technology, contemporary turbofan engines are designed to last longer and require less maintenance, which is a significant benefit for airlines seeking to minimize downtime and maximize profitability.Furthermore, the versatility of the turbofan engine allows it to be adapted for various applications. From commercial passenger jets to military fighter planes, the principles behind the turbofan engine can be tailored to meet specific performance requirements. For example, military variants may prioritize speed and agility, while commercial versions focus on fuel economy and passenger comfort.As we look to the future, the turbofan engine will continue to evolve. With the growing emphasis on sustainability, manufacturers are exploring alternative fuels and hybrid-electric systems to further reduce the environmental impact of air travel. Innovations such as geared turbofans, which optimize the relationship between the fan and engine core, promise even greater efficiency gains.In conclusion, the turbofan engine stands as a testament to the ingenuity of engineering and its impact on aviation. Its blend of efficiency, noise reduction, and reliability has made it the backbone of modern air travel. As technology advances and the industry adapts to new challenges, the turbofan engine will undoubtedly play a crucial role in shaping the future of flight, ensuring that air travel remains safe, efficient, and accessible to all. The ongoing research and development in this field will likely yield even more impressive innovations, reinforcing the turbofan engine’s status as one of the most significant achievements in aviation history.

涡扇发动机的发展彻底改变了航空工业,为商用和军用飞机提供了更高效、更强大的推进手段。与传统的涡喷发动机不同,涡扇发动机通过前方的风扇加速大量空气,创造额外的推力,同时保持燃油效率。这种设计使得其运行更加安静,并减少了燃油消耗,使其成为现代客机的首选。涡扇发动机的一个关键优势是其在亚音速下的高效运行。大旁通比,即通过发动机核心的空气量与绕过它的空气量的比率,对其效率贡献显著。例如,高旁通比的涡扇发动机可以用更少的燃料产生更多的推力,这在运营成本至关重要的行业中尤为重要。此外,涡扇发动机在减少噪音污染方面也发挥了重要作用。随着航空旅行变得更加普及,机场附近的噪音水平引发了人们的关注。涡扇发动机的设计,尤其是结合了降噪技术,帮助缓解了这些问题。现代发动机配备了如风扇叶片和喷嘴上的锯齿等特征,有助于平滑气流,从而降低噪音。除了效率和噪音减少,涡扇发动机还以其可靠性而闻名。工程师们努力提升这些发动机的耐用性,确保它们能够承受飞行的严酷条件。随着材料和技术的进步,当代涡扇发动机被设计得更加耐用,维护需求更少,这对寻求最小化停机时间和最大化盈利能力的航空公司来说是一个重要的好处。此外,涡扇发动机的多功能性使其能够适应各种应用。从商用客机到军用战斗机,涡扇发动机背后的原理可以根据具体的性能要求进行调整。例如,军用变体可能优先考虑速度和灵活性,而商用版本则专注于燃油经济性和乘客舒适度。展望未来,涡扇发动机将继续发展。随着对可持续发展的日益关注,制造商正在探索替代燃料和混合电动系统,以进一步减少航空旅行对环境的影响。诸如齿轮涡扇发动机等创新,优化了风扇与发动机核心之间的关系,承诺带来更大的效率提升。总之,涡扇发动机是工程智慧及其对航空业影响的明证。其高效、低噪音和可靠性的结合,使其成为现代航空旅行的支柱。随着技术的进步和行业对新挑战的适应,涡扇发动机无疑将在塑造未来飞行中发挥关键作用,确保航空旅行对所有人安全、高效且可及。该领域持续的研究与开发可能会带来更令人印象深刻的创新,进一步巩固涡扇发动机作为航空史上最重要成就之一的地位。

相关单词

turbofan

turbofan详解:怎么读、什么意思、用法