sweptback wing

简明释义

后掠翼

英英释义

例句

1.Many modern commercial aircraft utilize a sweptback wing for improved aerodynamic efficiency.

许多现代商用飞机采用后掠翼以提高空气动力效率。

2.The fighter jet's design features a prominent sweptback wing, which enhances its speed and maneuverability.

这架战斗机的设计特点是显著的后掠翼，这增强了其速度和机动性。

3.The sweptback wing design allows for better performance during takeoff and landing.

后掠翼设计在起飞和着陆时提供更好的性能。

4.Engineers have found that a sweptback wing can reduce drag at high speeds.

工程师们发现，后掠翼可以在高速下减少阻力。

5.The sweptback wing contributes to the aircraft's stability in turbulent weather.

后掠翼有助于飞机在气流不稳的天气中保持稳定。

作文

In the realm of aerodynamics, the design of an aircraft's wings plays a crucial role in its performance and efficiency. One particularly interesting wing design is the sweptback wing (后掠翼), which has been widely adopted in modern aviation due to its numerous advantages. This essay will explore the characteristics, benefits, and applications of the sweptback wing, shedding light on why it has become a staple in aircraft design.The sweptback wing is characterized by its angled shape, where the wings are tilted backward from the fuselage. This design differs significantly from straight wings, which extend horizontally from the body of the aircraft. The primary advantage of a sweptback wing is its ability to reduce drag at high speeds. As an aircraft approaches the speed of sound, shock waves begin to form around the wings, causing a phenomenon known as transonic drag. By sweeping the wings back, designers can delay the onset of these shock waves, allowing the aircraft to maintain higher speeds with greater efficiency.Another important benefit of the sweptback wing is its improved stability and control during flight. The angled design helps to distribute aerodynamic forces more evenly across the wing surface, resulting in better lift-to-drag ratios. This stability is particularly beneficial during maneuvers, such as sharp turns or steep climbs, where traditional wing designs may struggle. Pilots flying aircraft equipped with sweptback wings often report enhanced responsiveness and smoother handling, making for a more enjoyable flying experience.Furthermore, the sweptback wing contributes to the overall aesthetic appeal of modern aircraft. The sleek, angular appearance of these wings gives planes a futuristic look that resonates with both aviation enthusiasts and the general public. This design not only enhances the visual identity of the aircraft but also aligns with current trends in engineering and technology, where innovation and performance go hand in hand.The application of the sweptback wing extends beyond commercial airliners; it is also prevalent in military aircraft and supersonic jets. For instance, fighter jets often utilize this wing design to achieve superior speed and maneuverability, allowing them to perform complex aerial maneuvers that are essential in combat situations. Similarly, supersonic aircraft, such as the Concorde, relied on sweptback wings to overcome the challenges associated with transonic flight, enabling them to cruise at speeds exceeding Mach 2.In conclusion, the sweptback wing (后掠翼) represents a significant advancement in aircraft design, offering a combination of aerodynamic efficiency, stability, and aesthetic appeal. Its ability to reduce drag at high speeds and enhance control during flight makes it a preferred choice among engineers and pilots alike. As aviation technology continues to evolve, the sweptback wing will undoubtedly remain a vital component of future aircraft designs, paving the way for faster, safer, and more efficient air travel.

在空气动力学领域，飞机机翼的设计对其性能和效率起着至关重要的作用。其中一个特别有趣的机翼设计是后掠翼，由于其众多优点，已被现代航空广泛采用。本文将探讨后掠翼的特征、好处及应用，阐明其为何成为飞机设计的基础。后掠翼的特点是其倾斜的形状，机翼从机身向后倾斜。这种设计与水平延伸的直翼有显著区别。后掠翼的主要优点是能够在高速飞行时减少阻力。当飞机接近音速时，机翼周围会开始形成冲击波，造成称为超音速阻力的现象。通过将机翼向后倾斜，设计师可以延迟这些冲击波的出现，使飞机能够以更高的速度保持更高的效率。后掠翼的另一个重要好处是其在飞行中的稳定性和控制性增强。倾斜的设计有助于更均匀地分配空气动力作用力在机翼表面，从而提高升力与阻力比。在机动飞行中，例如急转弯或陡峭爬升，这种稳定性尤为有利，而传统机翼设计可能会面临挑战。装备有后掠翼的飞机飞行员常常报告出色的响应性和更平稳的操控，使飞行体验更加愉悦。此外，后掠翼还提高了现代飞机的整体美观性。这种流线型、角度的外观赋予飞机一种未来感，受到航空爱好者和公众的共鸣。这种设计不仅增强了飞机的视觉识别，还与当前工程和技术中的趋势相一致，在这些领域，创新和性能密切相关。后掠翼的应用不限于商业客机；它在军用飞机和超音速喷气机中也很普遍。例如，战斗机通常利用这种机翼设计来实现卓越的速度和机动性，使其能够执行在战斗情况下至关重要的复杂空中机动。同样，超音速飞机，如协和号，也依赖于后掠翼来克服与超音速飞行相关的挑战，使其能够以超过马赫2的速度巡航。总之，后掠翼代表了飞机设计的重要进步，提供了空气动力效率、稳定性和美观的结合。其在高速飞行中减少阻力和增强飞行控制的能力使其成为工程师和飞行员的首选。随着航空技术的不断发展，后掠翼无疑将继续作为未来飞机设计的重要组成部分，为更快、更安全和更高效的航空旅行铺平道路。