swept-back vane

简明释义

后弯式叶片

英英释义

例句

1.In wind tunnel experiments, the swept-back vane showed significant performance improvements.

在风洞实验中，后掠翼显示出显著的性能提升。

2.The design of the aircraft features a swept-back vane, which enhances aerodynamic efficiency.

这架飞机的设计采用了后掠翼，提高了气动效率。

3.The helicopter's rotor system incorporates a swept-back vane for better stability.

这架直升机的旋翼系统采用了后掠翼以获得更好的稳定性。

4.Engineers tested the new model with a swept-back vane to improve lift during takeoff.

工程师们对新型号进行了测试，采用了后掠翼以提高起飞时的升力。

5.The swept-back vane design helps reduce drag at high speeds.

这种后掠翼设计有助于在高速下减少阻力。

作文

In the world of aerodynamics and engineering, the design of various components plays a crucial role in determining the efficiency and performance of vehicles, especially aircraft. One such component that has gained significant attention is the swept-back vane. The term swept-back vane refers to a type of aerodynamic surface that is angled backward from the vertical plane, typically found on the wings or tail surfaces of an aircraft. This design is not merely aesthetic; it serves several important functions that enhance the overall flight characteristics of an aircraft.The primary advantage of the swept-back vane design is its ability to improve aerodynamic efficiency at high speeds. When an aircraft travels at subsonic speeds, airflow over the wings can create drag, which hinders performance. However, by incorporating a swept-back vane, engineers can reduce this drag significantly. The angled surface allows the air to flow more smoothly over the wing, minimizing turbulence and allowing for a more streamlined profile. This design feature is particularly beneficial for modern jet aircraft that operate at high velocities.Moreover, the swept-back vane contributes to enhanced stability and control during flight. As the angle of the vanes is adjusted, pilots can manipulate the airflow around the aircraft, allowing for better handling in various flight conditions. For instance, during sharp turns or rapid ascents, the swept-back vane helps maintain lift and prevents stalling, ensuring a safer flying experience.In addition to improving speed and stability, the swept-back vane also plays a vital role in noise reduction. Aircraft noise pollution is a growing concern, particularly in urban areas near airports. By optimizing the shape and angle of the swept-back vane, engineers can design quieter aircraft that produce less noise during takeoff and landing. This is achieved by reducing the intensity of the turbulent wake generated by the wings, leading to a smoother flight path and less disturbance to the surrounding environment.The application of the swept-back vane is not limited to commercial aviation. Military aircraft also benefit from this design, as it enhances maneuverability and performance in combat situations. Fighter jets, for example, often utilize swept-back vanes to achieve superior agility and speed, allowing them to perform complex aerial maneuvers that are essential in military operations.Furthermore, the principles behind the swept-back vane have inspired innovations in other fields, such as automotive and marine engineering. The concept of streamlining and optimizing airflow is applicable in various modes of transportation, leading to advancements in fuel efficiency and overall performance.In conclusion, the swept-back vane is a vital component in modern aerodynamics, providing numerous benefits that enhance the performance and safety of aircraft. Its unique design allows for improved speed, stability, and noise reduction, making it an essential feature in both commercial and military aviation. As technology continues to evolve, the importance of understanding and implementing designs like the swept-back vane will only grow, paving the way for more efficient and environmentally friendly transportation solutions in the future.

在空气动力学和工程学的世界中，各种组件的设计在决定车辆，尤其是飞机的效率和性能方面起着至关重要的作用。其中一个受到广泛关注的组件是后掠翼片。这个术语后掠翼片指的是一种气动表面，它从垂直平面向后倾斜，通常出现在飞机的机翼或尾翼上。这种设计不仅仅是出于美观；它具有多项重要功能，增强了飞机的整体飞行特性。后掠翼片设计的主要优点是其在高速下提高气动效率的能力。当飞机以亚音速飞行时，机翼上的气流会产生阻力，从而影响性能。然而，通过采用后掠翼片，工程师可以显著减少这种阻力。倾斜的表面使空气能够更平滑地流过机翼，最小化湍流，并允许形成更流线型的轮廓。这一设计特征对于现代以高速运行的喷气式飞机尤为有利。此外，后掠翼片在飞行过程中也有助于增强稳定性和控制。通过调整翼片的角度，飞行员可以操控飞机周围的气流，从而在不同的飞行条件下实现更好的操控。例如，在急转弯或快速爬升时，后掠翼片有助于维持升力，防止失速，确保飞行体验的安全性。除了提高速度和稳定性外，后掠翼片在降低噪音方面也发挥着重要作用。飞机噪音污染是一个日益严重的问题，特别是在靠近机场的城市地区。通过优化后掠翼片的形状和角度，工程师可以设计出更安静的飞机，在起飞和着陆时产生更少的噪音。这是通过减少机翼产生的湍流尾流的强度来实现的，从而导致更平滑的飞行路径，并减少对周围环境的干扰。后掠翼片的应用不仅限于商业航空。军用飞机同样受益于这一设计，因为它增强了在战斗情况下的机动性和性能。例如，战斗机通常利用后掠翼片实现卓越的灵活性和速度，使其能够执行在军事行动中至关重要的复杂空中机动。此外，后掠翼片背后的原理激发了其他领域的创新，如汽车和海洋工程。流线型和优化气流的概念适用于各种运输方式，从而推动燃油效率和整体性能的进步。总之，后掠翼片是现代空气动力学中的一个重要组成部分，提供了多种好处，增强了飞机的性能和安全性。其独特的设计使得提高速度、稳定性和降低噪音成为可能，使其成为商业和军用航空中不可或缺的特征。随着技术的不断发展，理解和实施像后掠翼片这样的设计的重要性只会增加，为未来更高效和环保的运输解决方案铺平道路。