reverse thrust

简明释义

反推力

英英释义

Reverse thrust refers to a mechanism used in aircraft to redirect engine thrust forward, helping to slow down the aircraft during landing.

反推力是指在飞机中使用的一种机制,用于将发动机的推力朝前重定向,帮助减速飞机在着陆时。

例句

1.The pilot engaged reverse thrust to slow down the aircraft upon landing.

飞行员在着陆时启用了反推力来减速飞机。

2.Using reverse thrust helps reduce the stopping distance on wet runways.

使用反推力有助于减少湿滑跑道上的停车距离。

3.The reverse thrust mechanism is crucial for large commercial jets.

反推力机制对大型商用喷气机至关重要。

4.The flight crew monitored the reverse thrust settings during the landing approach.

飞行机组在着陆过程中监控反推力设置。

5.After touchdown, the engines were set to reverse thrust to aid in deceleration.

着陆后,发动机设置为反推力以帮助减速。

作文

In the world of aviation, safety and efficiency are paramount. One of the critical mechanisms that contribute to these essential aspects is the use of reverse thrust. 反推力 is a feature primarily found in jet engines and some propeller-driven aircraft that allows the aircraft to decelerate more effectively upon landing. This system works by redirecting the engine's thrust forward instead of backward, which helps to slow down the aircraft quickly after touchdown.The concept of reverse thrust has been around since the early days of aviation, but it has evolved significantly with advancements in technology. Modern aircraft are equipped with sophisticated systems that can engage reverse thrust almost instantaneously after the wheels make contact with the runway. This rapid deployment is crucial for ensuring that the aircraft can stop within the available runway length, particularly in adverse weather conditions or when landing on shorter runways.When an aircraft lands, it is traveling at a high speed, and the pilot must bring it to a halt safely. This is where reverse thrust plays a vital role. By redirecting the thrust, the aircraft experiences a significant increase in drag, which aids in slowing it down. In many cases, this additional braking force allows pilots to reduce their reliance on wheel brakes, which can overheat if used excessively. Instead, reverse thrust provides an effective means of deceleration, enhancing overall safety.There are different types of reverse thrust systems, including bucket doors, clamshell doors, and cascades. Bucket doors are commonly used in larger jet engines, where the doors open to redirect the exhaust flow forward. Clamshell doors operate similarly but have a different mechanism for opening and closing. Cascades, on the other hand, are designed to direct the airflow in a specific manner to maximize the effectiveness of the reverse thrust.While reverse thrust is an invaluable tool for pilots, it is not without its limitations. For instance, it may not be as effective on wet or icy runways, where the tires may lose traction despite the additional braking force. Furthermore, pilots must be trained to use reverse thrust appropriately, as improper use can lead to complications during the landing phase.In conclusion, reverse thrust is a critical component of modern aviation that enhances safety and efficiency during landings. By allowing aircraft to decelerate more effectively, it reduces the risk of runway overruns and contributes to smoother landings. As technology continues to advance, we can expect further improvements in reverse thrust systems, making air travel even safer for passengers and crew alike. Understanding the importance of reverse thrust is essential for anyone interested in aviation, as it highlights the intricate balance between engineering and safety in the skies.

在航空领域,安全和效率至关重要。反推力是一个关键机制,主要存在于喷气发动机和一些螺旋桨驱动飞机中,允许飞机在着陆时更有效地减速。该系统通过将发动机的推力向前而不是向后重定向,帮助飞机在接触跑道后迅速减速。反推力的概念自早期航空以来就存在,但随着技术的进步,它已经显著演变。现代飞机配备了复杂的系统,可以在轮子与跑道接触后几乎瞬间启用反推力。这种快速部署对于确保飞机能够在可用的跑道长度内停下来至关重要,尤其是在恶劣天气条件下或在较短的跑道上着陆时。当飞机着陆时,它以高速飞行,飞行员必须安全地将其停下来。这就是反推力发挥重要作用的地方。通过重定向推力,飞机体验到显著增加的阻力,这有助于减速。在许多情况下,这种额外的制动力使飞行员减少对轮胎刹车的依赖,因为过度使用可能导致刹车过热。相反,反推力提供了一种有效的减速手段,增强了整体安全性。反推力系统有不同类型,包括桶形门、铰链门和级联。桶形门通常用于较大的喷气发动机,其中门打开以将排气流重定向向前。铰链门的工作原理类似,但开合机制不同。级联则旨在以特定方式引导气流,以最大限度地提高反推力的有效性。虽然反推力是飞行员的重要工具,但它并非没有局限性。例如,在潮湿或结冰的跑道上,它的效果可能不如预期,因为尽管有额外的制动力,轮胎可能会失去牵引力。此外,飞行员必须接受适当使用反推力的培训,因为不当使用可能导致着陆阶段出现并发症。总之,反推力是现代航空的关键组成部分,增强了着陆过程中的安全性和效率。通过允许飞机更有效地减速,它减少了跑道超出风险,并有助于更平稳的着陆。随着技术的不断进步,我们可以期待反推力系统的进一步改进,使航空旅行对乘客和机组人员而言更加安全。理解反推力的重要性对于任何对航空感兴趣的人来说都是必不可少的,因为它突显了工程与天空中安全之间的微妙平衡。