air foil
简明释义
风板
英英释义
A device with a curved shape that generates lift when air flows over it, commonly used in aircraft wings and propellers. | 一种具有曲线形状的装置,当空气流过时产生升力,通常用于飞机机翼和螺旋桨。 |
例句
1.A well-shaped air foil can significantly reduce drag and improve fuel efficiency.
一个形状良好的气动翼可以显著减少阻力并提高燃油效率。
2.The design of the air foil is crucial for the efficiency of an aircraft.
飞机的设计中,气动翼的设计对效率至关重要。
3.In aerodynamics, the air foil is often referred to as a lift-generating surface.
在空气动力学中,气动翼通常被称为产生升力的表面。
4.The air foil on this model glider allows it to soar gracefully.
这款模型滑翔机上的气动翼使其优雅地翱翔。
5.Engineers tested the new air foil in a wind tunnel to evaluate its performance.
工程师们在风洞中测试新的气动翼以评估其性能。
作文
The concept of an air foil is fundamental in the field of aerodynamics and plays a crucial role in the design of various flying objects, such as airplanes, gliders, and even some types of drones. An air foil is essentially a shape designed to generate lift when air flows over it. This lift is produced due to the difference in air pressure on the upper and lower surfaces of the air foil, which allows aircraft to rise into the sky and maintain flight. To understand how an air foil works, we must first look at the principles of airflow. When air encounters the air foil, it splits to flow above and below the surface. The shape of the air foil is usually curved on the top and flatter on the bottom. This design causes the air traveling over the top to move faster than the air flowing beneath, leading to a decrease in pressure above the air foil compared to the pressure below it. This pressure difference creates lift, which is essential for any aircraft to take off and stay airborne.In addition to generating lift, the design of an air foil also affects other aspects of flight, such as drag and stability. Engineers and designers must carefully consider the shape and angle of attack of the air foil to optimize performance. A well-designed air foil can minimize drag, which is the resistance an aircraft faces while moving through the air. By reducing drag, an aircraft can achieve better fuel efficiency and higher speeds.There are different types of air foils used for various applications. For instance, a symmetrical air foil has the same shape on both the top and bottom surfaces, making it suitable for aerobatic maneuvers where the angle of attack changes frequently. On the other hand, a cambered air foil, which is curved more on one side than the other, is typically used for commercial aircraft as it provides greater lift at lower speeds.Understanding the mechanics of air foils is not only important for engineers but also for pilots and aviation enthusiasts. Knowledge of how air foils function can lead to safer flying practices and better aircraft handling. Additionally, advancements in technology have allowed for the development of new materials and designs that enhance the efficiency of air foils. For example, the introduction of composite materials has made it possible to create lighter and stronger air foils, further improving aircraft performance.In conclusion, the air foil is a vital component in the science of flight. Its ability to generate lift and influence drag makes it essential for the operation of all flying vehicles. As technology continues to evolve, our understanding and application of air foils will undoubtedly lead to more efficient and capable aircraft, allowing us to explore the skies with greater ease and safety. Whether you are an aspiring pilot, an engineer, or simply someone fascinated by flight, grasping the fundamentals of air foils will enhance your appreciation for the complexities of aviation and the marvels of modern engineering.
空气动力学中的“气动翼”概念是基础,对各种飞行物体的设计至关重要,比如飞机、滑翔机,甚至某些类型的无人机。“气动翼”本质上是一个设计用于在空气流过时产生升力的形状。由于“气动翼”上下表面之间的气压差,这种升力得以产生,使飞机能够升空并保持飞行。要理解“气动翼”的工作原理,我们首先必须了解气流的原理。当空气遇到“气动翼”时,它会分流,上下表面流动。通常,“气动翼”的顶部是弯曲的,而底部则相对平坦。这种设计导致流经顶部的空气速度快于流经底部的空气,从而使“气动翼”上方的压力低于下方的压力。这种压力差产生了升力,对于任何飞机起飞和维持飞行都是必不可少的。除了产生升力外,“气动翼”的设计还影响飞行的其他方面,例如阻力和稳定性。工程师和设计师必须仔细考虑“气动翼”的形状和攻角,以优化性能。设计良好的“气动翼”可以最小化阻力,即飞机在空气中移动时所遇到的阻力。通过减少阻力,飞机可以实现更好的燃油效率和更高的速度。根据不同的应用,有不同类型的“气动翼”。例如,对称“气动翼”在上下表面上有相同的形状,适合频繁改变攻角的特技飞行。而另一种弯曲的“气动翼”则通常用于商用飞机,因为它在较低速度下提供更大的升力。理解“气动翼”的机制不仅对工程师重要,对飞行员和航空爱好者也是如此。了解“气动翼”的功能可以带来更安全的飞行实践和更好的飞机操控。此外,技术的进步使得新材料和设计的开发成为可能,从而提高了“气动翼”的效率。例如,复合材料的引入使得制造更轻、更强的“气动翼”成为可能,进一步改善了飞机的性能。总之,“气动翼”是飞行科学中的一个重要组成部分。它产生升力和影响阻力的能力使其对所有飞行器的操作至关重要。随着技术的不断发展,我们对“气动翼”的理解和应用无疑将导致更高效、更强大的飞机,使我们能够更轻松、安全地探索天空。无论你是一个有抱负的飞行员、工程师,还是仅仅对飞行感兴趣的人,掌握“气动翼”的基本原理将增强你对航空复杂性和现代工程奇迹的欣赏。
相关单词