aerofoil; airfoil

简明释义

翼面；空气动力面

英英释义

例句

1.The airfoil 气动翼 on the racing car helps to improve stability at high speeds.

赛车上的气动翼有助于提高高速行驶时的稳定性。

2.A well-designed aerofoil 翼型 can significantly reduce drag during flight.

一个设计良好的翼型可以显著减少飞行中的阻力。

3.Studying the flow around the aerofoil 翼型 helps engineers optimize its shape.

研究翼型周围的气流帮助工程师优化其形状。

4.The design of the aerofoil 翼型 is crucial for maximizing lift in aircraft.

翼型的设计对最大化飞机的升力至关重要。

5.Engineers tested the new airfoil 气动翼 shape in a wind tunnel to evaluate its performance.

工程师在风洞中测试了新的气动翼形状，以评估其性能。

作文

The concept of aerofoil (翼型) or airfoil (气动翼型) is fundamental in the field of aerodynamics and plays a crucial role in the design of various aircraft and vehicles that travel through air. An aerofoil is specifically designed to generate lift when air flows over and under it, allowing airplanes to fly. The shape of an aerofoil is carefully crafted to manipulate airflow, creating a difference in pressure above and below the wing, which ultimately leads to lift. This principle is essential for not only airplanes but also for helicopters, drones, and even wind turbines.To understand how an aerofoil works, we must delve into the basic principles of fluid dynamics. When air moves over the curved upper surface of an aerofoil, it speeds up, resulting in lower pressure compared to the slower-moving air beneath the flat bottom surface. According to Bernoulli's principle, this pressure difference creates lift, enabling the aircraft to ascend and maintain altitude. The angle at which the aerofoil meets the oncoming air, known as the angle of attack, significantly influences the amount of lift generated. However, if this angle becomes too steep, it can lead to a stall, where the aerofoil loses lift altogether.In addition to lift, the design of an aerofoil also affects drag, which is the resistance an object encounters while moving through air. There are two main types of drag: induced drag, which is a byproduct of lift, and parasitic drag, which arises from the shape and surface of the aerofoil. Engineers strive to create aerofoils that minimize drag while maximizing lift to improve the efficiency of flight.The study of aerofoils has evolved significantly over the years, with advancements in technology allowing for more precise modeling and testing. Wind tunnels, computational fluid dynamics (CFD), and other simulation tools have become invaluable in the design process. These tools help engineers visualize airflow patterns and make informed decisions about the optimal shape and size of an aerofoil.Moreover, the applications of aerofoils extend beyond aviation. In the automotive industry, for instance, the principles of aerofoil design are applied to improve vehicle aerodynamics, enhancing fuel efficiency and performance. Similarly, in the field of renewable energy, aerofoil designs are utilized in wind turbine blades to harness wind energy effectively.In summary, the understanding of aerofoil (翼型) or airfoil (气动翼型) is vital in various industries, particularly in aviation. The ability to generate lift and minimize drag through innovative design has transformed the way we approach flight and transportation. As technology continues to advance, the study and application of aerofoils will undoubtedly lead to even more efficient and sustainable solutions for air travel and beyond.

翼型（aerofoil）或气动翼型（airfoil）的概念在空气动力学领域中至关重要，并在各种航空器和通过空气行驶的车辆设计中发挥着关键作用。翼型专门设计用于在空气流过其上方和下方时产生升力，使飞机能够飞行。翼型的形状经过精心设计，以操纵气流，在机翼的上方和下方产生压力差，最终导致升力。这个原理不仅对飞机至关重要，也适用于直升机、无人机甚至风力涡轮机。要理解翼型是如何工作的，我们必须深入研究流体动力学的基本原理。当空气在翼型的弯曲上表面流动时，它的速度加快，导致与下面平坦底面下的较慢移动空气相比，压力降低。根据伯努利原理，这种压力差产生升力，使飞机能够上升并保持高度。翼型与迎面空气的相交角度被称为攻角，显著影响产生的升力。然而，如果这个角度变得过于陡峭，就会导致失速，此时翼型将完全失去升力。除了升力，翼型的设计也会影响阻力，即物体在空气中运动时遇到的阻力。阻力主要有两种类型：诱导阻力，这是升力的副产品，以及寄生阻力，这是由翼型的形状和表面引起的。工程师们努力设计出既能最大化升力又能最小化阻力的翼型，以提高飞行效率。多年来，翼型的研究显著发展，技术进步使得更精确的建模和测试成为可能。风洞、计算流体动力学（CFD）和其他模拟工具在设计过程中变得不可或缺。这些工具帮助工程师可视化气流模式，并对翼型的最佳形状和大小做出明智的决策。此外，翼型的应用超越了航空业。例如，在汽车工业中，翼型设计的原理被应用于改善车辆的空气动力学，提高燃油效率和性能。同样，在可再生能源领域，翼型设计被用于风力涡轮机叶片，以有效利用风能。总之，理解翼型（aerofoil）或气动翼型（airfoil）在各个行业中至关重要，尤其是在航空业。通过创新设计产生升力和最小化阻力的能力改变了我们对飞行和交通的看法。随着技术的不断进步，翼型的研究和应用无疑将带来更加高效和可持续的航空旅行解决方案及其他领域。