reverse thrust nozzle

简明释义

反向推力喷管

英英释义

例句

1.The aircraft uses the reverse thrust nozzle to decelerate upon landing.

飞机在着陆时使用反推喷嘴来减速。

2.During the pre-flight checklist, the functionality of the reverse thrust nozzle is verified.

在起飞前检查清单中，会验证反推喷嘴的功能。

3.After touchdown, the reverse thrust nozzle is deployed to aid in stopping the aircraft.

在着陆后，部署反推喷嘴以帮助停止飞机。

4.Pilots are trained to manage the reverse thrust nozzle during emergency landings.

飞行员接受培训，以便在紧急着陆时管理反推喷嘴。

5.The reverse thrust nozzle helps in reducing runway length required for landing.

使用反推喷嘴可以减少着陆所需的跑道长度。

作文

The operation of modern aircraft involves a variety of sophisticated systems designed to enhance performance and safety. One such system is the reverse thrust nozzle, which plays a crucial role in the braking process of an aircraft during landing. Understanding how this component works can provide valuable insight into the engineering marvels that allow planes to operate efficiently. When an aircraft approaches the runway for landing, its speed and momentum must be carefully managed to ensure a safe touchdown. The reverse thrust nozzle is a mechanism that redirects engine thrust forward instead of backward, which helps to decelerate the aircraft more rapidly. This is particularly important for large commercial jets that require significant stopping power due to their weight and speed. The reverse thrust nozzle functions by altering the direction of the exhaust gases produced by the engines. Normally, these gases are expelled out of the rear of the engine, propelling the aircraft forward. However, when the pilot engages the reverse thrust system after landing, the nozzles open up to redirect the flow of these gases, effectively pushing the aircraft in the opposite direction. This process not only aids in slowing down the plane but also reduces the distance required for it to come to a complete stop. There are primarily two types of reverse thrust nozzles: cascade and bucket. The cascade type utilizes a series of vanes that guide the exhaust flow, while the bucket type employs movable doors that swing open to redirect the thrust. Each design has its own advantages and is chosen based on the specific requirements of the aircraft’s engine and operational needs. The efficiency of the reverse thrust nozzle is vital for maintaining safety standards in aviation. Without it, aircraft would rely solely on wheel brakes to slow down, which could lead to longer stopping distances and increased wear on the braking system. Additionally, in adverse weather conditions, such as rain or snow, the effectiveness of traditional braking methods may be compromised. Thus, the ability of the reverse thrust nozzle to provide additional braking power becomes even more critical.Moreover, the implementation of reverse thrust nozzles has evolved over the years, with advancements in technology leading to more efficient designs. Modern aircraft are equipped with highly sophisticated systems that monitor various parameters to optimize the performance of the reverse thrust nozzle. For instance, sensors can detect the aircraft’s speed and position, allowing the system to engage at the most effective moment during landing. In conclusion, the reverse thrust nozzle is an essential component of modern aircraft that enhances safety and performance during landings. Its ability to redirect engine thrust not only aids in deceleration but also minimizes reliance on wheel brakes, thereby improving overall aircraft efficiency. As technology continues to advance, we can expect further innovations in the design and functionality of reverse thrust nozzles, ensuring that air travel remains one of the safest modes of transportation available today.

现代飞机的运行涉及多种复杂的系统，旨在提高性能和安全性。其中一个系统是反推喷嘴，它在飞机着陆时的制动过程中发挥着至关重要的作用。理解这个组件的工作原理可以为我们提供关于允许飞机高效运行的工程奇迹的宝贵见解。当飞机接近跑道准备着陆时，必须仔细管理其速度和动量，以确保安全着陆。反推喷嘴是一种机制，它将发动机的推力向前而不是向后重新定向，从而帮助飞机更快速地减速。这对于大型商用喷气式飞机尤其重要，因为它们由于重量和速度需要显著的制动能力。反推喷嘴通过改变发动机产生的废气的方向来发挥作用。通常，这些废气从发动机的后部排出，推动飞机向前飞行。然而，当飞行员在着陆后启动反推系统时，喷嘴会打开以重新定向这些气体的流动，有效地将飞机推向相反的方向。这个过程不仅有助于减缓飞机的速度，还减少了飞机完全停下所需的距离。反推喷嘴主要有两种类型：级联型和桶型。级联型利用一系列导流叶片引导废气流，而桶型则使用可移动的门在喷嘴打开时重新定向推力。每种设计都有其自身的优点，通常根据飞机发动机的特定要求和操作需求进行选择。反推喷嘴的效率对于维持航空安全标准至关重要。如果没有它，飞机将仅依靠轮子制动来减速，这可能导致更长的停车距离并增加制动系统的磨损。此外，在恶劣天气条件下，例如雨雪，传统制动方法的有效性可能会受到影响。因此，反推喷嘴提供额外制动力的能力变得更加关键。此外，反推喷嘴的实施在近年来也得到了发展，技术的进步使得设计更加高效。现代飞机配备了高度复杂的系统，监控各种参数以优化反推喷嘴的性能。例如，传感器可以检测飞机的速度和位置，从而在着陆时的最佳时机启动该系统。总之，反推喷嘴是现代飞机的重要组成部分，可以在着陆过程中提高安全性和性能。它重新定向发动机推力的能力不仅有助于减速，还减少了对轮子制动的依赖，从而提高了整体飞机效率。随着技术的不断进步，我们可以期待反推喷嘴的设计和功能进一步创新，确保航空旅行仍然是今天最安全的交通方式之一。