aircraft engine

简明释义

飞机发动机

英英释义

例句

1.The maintenance team inspected the aircraft engine for any signs of wear and tear.

维护团队检查了飞机发动机是否有任何磨损迹象。

2.An efficient aircraft engine is crucial for reducing fuel consumption.

高效的飞机发动机对减少燃油消耗至关重要。

3.The aircraft engine produces a significant amount of thrust during takeoff.

在起飞过程中，飞机发动机产生了大量推力。

4.New technologies are being developed to improve aircraft engine performance.

新技术正在开发中，以改善飞机发动机的性能。

5.The pilot reported a malfunction in the aircraft engine during the flight.

飞行过程中，飞行员报告了飞机发动机的故障。

作文

The development of the modern world has been significantly influenced by advancements in technology, particularly in the field of aviation. One of the most critical components that have made air travel possible is the aircraft engine. An aircraft engine is a machine designed to propel an aircraft by converting fuel into mechanical energy. This conversion is essential for generating the thrust needed to lift the aircraft off the ground and keep it in the air. There are various types of aircraft engines, including turbojets, turbofans, turboprops, and piston engines, each serving different purposes and offering unique advantages.The invention of the aircraft engine dates back to the early 20th century when pioneers like the Wright brothers successfully flew their first powered aircraft. Their engine was relatively simple, yet it laid the foundation for future innovations. As aviation technology progressed, so did the complexity and efficiency of aircraft engines. The shift from piston engines to jet engines marked a significant milestone in aviation history, allowing planes to fly faster and higher than ever before.Turbojet engines, one of the earliest forms of jet propulsion, operate by drawing in air at the front, compressing it, mixing it with fuel, and igniting the mixture. The high-speed exhaust gases then exit the rear, creating thrust. Although turbojets were revolutionary, they were not very fuel-efficient at lower speeds, leading to the development of turbofan engines, which provide better fuel efficiency and quieter operation. Today, most commercial airliners are powered by aircraft engines that utilize turbofan technology.On the other hand, turboprop engines combine features of both jet engines and propeller engines. They are particularly effective for short-haul flights and regional airlines, providing excellent fuel economy and the ability to take off and land on shorter runways. Piston engines, while less common in commercial aviation, are still widely used in smaller aircraft and training planes due to their simplicity and reliability.The environmental impact of aircraft engines has become a major concern in recent years. As air travel continues to grow, so does the demand for more sustainable and eco-friendly options. Engineers and scientists are now focusing on developing engines that produce fewer emissions and consume less fuel. Innovations such as electric and hybrid aircraft engines are being researched to reduce the carbon footprint of aviation.In conclusion, the aircraft engine plays a pivotal role in the aviation industry, enabling us to connect across vast distances in a matter of hours. Its evolution from simple piston engines to advanced turbofans and emerging electric technologies showcases human ingenuity and the relentless pursuit of progress. Understanding the mechanics and significance of aircraft engines helps us appreciate the marvels of modern aviation and the future possibilities that lie ahead.

现代世界的发展受到科技进步的显著影响，尤其是在航空领域。使航空旅行成为可能的关键组成部分之一是飞机发动机。飞机发动机是一种旨在通过将燃料转化为机械能来推动飞机的机器。这种转化对于产生所需的推力以使飞机起飞并保持在空中至关重要。有多种类型的飞机发动机，包括涡喷发动机、涡扇发动机、涡桨发动机和活塞发动机，每种发动机都具有不同的用途和独特的优势。飞机发动机的发明可以追溯到20世纪初，当时像莱特兄弟这样的先驱成功地飞行了他们的第一架动力飞机。他们的发动机相对简单，但为未来的创新奠定了基础。随着航空技术的进步，飞机发动机的复杂性和效率也在不断提高。从活塞发动机到喷气发动机的转变标志着航空史上的一个重要里程碑，使飞机能够比以往任何时候都飞得更快、更高。涡喷发动机是喷气推进的早期形式之一，通过在前面吸入空气、压缩空气、与燃料混合并点燃混合物来运行。高速排气气体随后从后面排出，产生推力。尽管涡喷发动机具有革命性，但在较低速度下燃油效率不高，这导致了涡扇发动机的发展，后者提供了更好的燃油效率和更安静的操作。如今，大多数商业客机都由采用涡扇技术的飞机发动机提供动力。另一方面，涡桨发动机结合了喷气发动机和螺旋桨发动机的特点。它们在短途航班和区域航空公司中特别有效，提供出色的燃油经济性，并能够在较短的跑道上起降。活塞发动机虽然在商业航空中不太常见，但由于其简单性和可靠性，仍广泛用于小型飞机和训练飞机。近年来，飞机发动机对环境的影响已成为一个主要关注点。随着航空旅行的持续增长，对更可持续和环保选项的需求也在增加。工程师和科学家们现在专注于开发能够减少排放和消耗更少燃料的发动机。电动和混合飞机发动机等创新正在被研究，以减少航空业的碳足迹。总之，飞机发动机在航空工业中发挥着至关重要的作用，使我们能够在数小时内跨越广阔的距离。它从简单的活塞发动机演变为先进的涡扇发动机和新兴的电动技术，展示了人类的聪明才智和对进步的不懈追求。理解飞机发动机的机制和重要性帮助我们欣赏现代航空的奇迹以及未来的可能性。