variable sweep wing

简明释义

可变翼

英英释义

例句

1.The variable sweep wing feature enhances the versatility of military aircraft.

可变后掠翼特性增强了军用飞机的多功能性。

2.The F-14 Tomcat is famous for its variable sweep wing design, which allows it to adapt its wing configuration for different flight conditions.

F-14雄猫战斗机以其可变后掠翼设计而闻名，这使得它能够根据不同的飞行条件调整机翼配置。

3.One of the advantages of a variable sweep wing is its ability to reduce drag at high speeds.

可变后掠翼的一个优点是能够在高速飞行时减少阻力。

4.Aircraft with a variable sweep wing can achieve better performance during takeoff and landing.

配备可变后掠翼的飞机在起飞和着陆时可以获得更好的性能。

5.The engineering team is currently testing the variable sweep wing mechanism on the prototype.

工程团队目前正在对原型机上的可变后掠翼机制进行测试。

作文

The concept of a variable sweep wing is a fascinating aspect of aerodynamics and aircraft design. This innovative technology allows the wings of an aircraft to change their angle relative to the body of the plane during flight. By adjusting the wing's position, engineers can optimize the aircraft's performance for various flight conditions, such as takeoff, cruising, and landing. The variable sweep wing system significantly enhances the aircraft's versatility and efficiency, making it a popular choice for military jets and some commercial aircraft.One of the primary advantages of a variable sweep wing is its ability to improve aerodynamic efficiency. When an aircraft is flying at high speeds, a straight wing can create excessive drag, which can hinder performance. However, by sweeping the wings back, the aircraft can reduce drag and maintain higher speeds. Conversely, during low-speed operations, such as takeoff and landing, the wings can be extended to a more horizontal position, increasing lift and allowing for safer maneuvers.Historically, the development of the variable sweep wing began in the mid-20th century. One of the most notable examples of this technology is the F-14 Tomcat, a fighter jet used by the United States Navy. The F-14's wings could be swept back at different angles, enabling it to perform well in both air-to-air combat and ground attack missions. This adaptability made the F-14 a formidable aircraft, capable of engaging in various combat scenarios.In addition to military applications, the variable sweep wing concept has also been explored in commercial aviation. Some aircraft designers have considered using this technology to enhance the performance of passenger jets, particularly for long-distance flights. By optimizing wing positions for different phases of flight, airlines could potentially reduce fuel consumption and improve overall efficiency.Despite its advantages, the variable sweep wing design also presents challenges. The mechanical complexity required to adjust the wings adds weight and potential points of failure to the aircraft. Engineers must ensure that the systems are reliable and can withstand the stresses of flight. Furthermore, the added weight of the mechanisms can offset some of the aerodynamic benefits gained from the variable wing design.In conclusion, the variable sweep wing is a remarkable innovation in the field of aviation. Its ability to adapt to different flight conditions makes it an essential feature for many high-performance aircraft. While there are challenges associated with its implementation, the benefits of enhanced efficiency and versatility cannot be overlooked. As technology continues to advance, we may see even more sophisticated applications of the variable sweep wing in future aircraft designs, further revolutionizing the way we think about flight.

“可变后掠翼”是空气动力学和飞机设计中的一个迷人概念。这项创新技术允许飞机的机翼在飞行过程中相对于机身改变角度。通过调整机翼的位置，工程师可以针对不同的飞行条件（如起飞、巡航和着陆）优化飞机的性能。“可变后掠翼”系统显著增强了飞机的多功能性和效率，使其成为军用喷气机和一些商用飞机的热门选择。“可变后掠翼”的主要优势之一是其提高空气动力效率的能力。当飞机以高速飞行时，直翼会产生过多的阻力，从而影响性能。然而，通过将机翼向后掠，可以减少阻力并保持更高的速度。相反，在低速操作期间，例如起飞和着陆，机翼可以伸展到更水平的位置，从而增加升力，并允许更安全的机动。历史上，“可变后掠翼”的发展始于20世纪中叶。其中一个最著名的例子是F-14雄猫战斗机，这是美国海军使用的一款战斗机。F-14的机翼可以在不同角度后掠，使其在空对空作战和对地攻击任务中表现出色。这种适应性使F-14成为一架强大的飞机，能够参与各种作战场景。除了军事应用外，“可变后掠翼”概念在商业航空中也得到了探索。一些飞机设计师考虑使用这项技术来增强客机的性能，特别是在长途飞行中。通过为不同的飞行阶段优化机翼位置，航空公司可能会降低燃油消耗，提高整体效率。尽管有其优势，但“可变后掠翼”设计也存在挑战。调整机翼所需的机械复杂性增加了飞机的重量和潜在故障点。工程师必须确保系统可靠，并能够承受飞行中的压力。此外，机制的额外重量可能抵消可变翼设计所获得的一些空气动力学优势。总之，“可变后掠翼”是航空领域的一项非凡创新。其适应不同飞行条件的能力使其成为许多高性能飞机的重要特征。尽管实施中存在挑战，但提高效率和多功能性的好处不可忽视。随着技术的不断进步，我们可能会在未来的飞机设计中看到“可变后掠翼”更复杂的应用，进一步革新我们对飞行的思考。