aerodynamic lift

简明释义

气动升力

英英释义

例句

1.The design of the airplane wings is crucial for maximizing aerodynamic lift.

飞机机翼的设计对最大化空气动力学升力至关重要。

2.Engineers use wind tunnels to test the aerodynamic lift of various wing shapes.

工程师使用风洞测试不同机翼形状的空气动力学升力。

3.Understanding the principles of aerodynamic lift is essential for anyone studying aviation.

理解空气动力学升力的原理对于任何学习航空的人来说都是必不可少的。

4.In order to achieve stable flight, pilots must understand how aerodynamic lift works.

为了实现稳定飞行，飞行员必须了解空气动力学升力是如何工作的。

5.The faster an aircraft moves, the more aerodynamic lift it generates.

飞机飞行得越快，产生的空气动力学升力就越多。

作文

In the world of aviation and fluid dynamics, the concept of aerodynamic lift plays a crucial role in how aircraft are able to fly. Understanding this phenomenon is essential for engineers and pilots alike, as it directly affects the performance and safety of an aircraft. Aerodynamic lift refers to the upward force that enables an airplane to rise off the ground and remain airborne. This force is generated by the movement of air over the wings of an aircraft, which are designed with a specific shape known as an airfoil.The principle of aerodynamic lift can be explained through Bernoulli’s principle and Newton's third law of motion. According to Bernoulli’s principle, as the speed of airflow increases over the curved upper surface of the wing, the pressure decreases. Conversely, the slower-moving air beneath the wing creates higher pressure. This difference in pressure generates the lift needed for the aircraft to ascend. In addition, Newton's third law states that for every action, there is an equal and opposite reaction. As the wings push down on the air, the air pushes back up, contributing to the lift force.The design and angle of the wings, known as the angle of attack, also significantly influence aerodynamic lift. When a pilot adjusts the angle at which the wing meets the oncoming air, they can increase or decrease the lift produced. However, if the angle is too steep, the aircraft may stall, leading to a loss of lift and control. Therefore, understanding the delicate balance of forces involved in aerodynamic lift is vital for safe flying.Various factors affect aerodynamic lift, including air density, velocity, and the surface area of the wings. For instance, at higher altitudes, the air is less dense, which can reduce the amount of lift generated. This is why aircraft need longer runways to take off in high-altitude locations. Similarly, increasing the speed of the aircraft can enhance aerodynamic lift, allowing for shorter takeoff distances.In summary, aerodynamic lift is a fundamental concept that underpins the principles of flight. It is the result of complex interactions between the aircraft's wings and the surrounding air. By mastering the principles of aerodynamic lift, engineers can design more efficient aircraft, while pilots can ensure safe and effective flight operations. The study of aerodynamic lift not only enhances our understanding of mechanics but also inspires innovations in aviation technology, ultimately leading to safer and more efficient air travel for everyone.

在航空和流体动力学的世界中，aerodynamic lift（气动升力）这一概念在飞机如何飞行的过程中起着至关重要的作用。理解这一现象对工程师和飞行员来说都是必不可少的，因为它直接影响到飞机的性能和安全性。aerodynamic lift指的是使飞机能够离开地面并保持在空中的向上力量。这一力量是由空气在飞机机翼上方流动而产生的，而机翼则设计成一种被称为气动外形的特定形状。aerodynamic lift的原理可以通过伯努利原理和牛顿第三运动定律来解释。根据伯努利原理，当空气在机翼上弯曲的上表面上流动速度加快时，压力会降低。相反，机翼下方流动较慢的空气会产生较高的压力。这种压力差产生了飞机上升所需的升力。此外，牛顿第三定律指出，对于每一个作用，都有一个相等且相反的反作用。当机翼向下推空气时，空气向上反推，从而贡献了升力。机翼的设计和角度，即攻角，也显著影响aerodynamic lift。当飞行员调整机翼与迎面空气的交角时，他们可以增加或减少产生的升力。然而，如果角度过陡，飞机可能会失速，导致升力和控制的丧失。因此，理解涉及aerodynamic lift的各种力量之间的微妙平衡对安全飞行至关重要。多种因素影响aerodynamic lift，包括空气密度、速度和机翼的表面积。例如，在较高的高度，空气密度较低，这可能会减少产生的升力。这就是为什么飞机在高海拔地区需要更长的跑道才能起飞。同样，增加飞机的速度可以增强aerodynamic lift，允许更短的起飞距离。总之，aerodynamic lift是支撑飞行原理的基本概念。它是飞机机翼与周围空气之间复杂相互作用的结果。通过掌握aerodynamic lift的原理，工程师可以设计出更高效的飞机，而飞行员则可以确保安全和有效的飞行操作。对aerodynamic lift的研究不仅增强了我们对力学的理解，还激发了航空技术的创新，最终为每个人提供更安全、更高效的空中旅行。