angle of attack

简明释义

攻角

英英释义

例句

1.Increasing the angle of attack can lead to a stall if it exceeds the critical limit.

增加攻角可能导致失速，如果超过临界极限。

2.In aerodynamics, the angle of attack is crucial for maintaining stable flight.

在空气动力学中，攻角对维持稳定飞行至关重要。

3.During the flight simulation, the angle of attack was monitored closely to avoid stalling.

在飞行模拟中，攻角被密切监控以避免失速。

4.The engineer calculated the optimal angle of attack for the new wing design.

工程师计算了新机翼设计的最佳攻角。

5.The pilot adjusted the angle of attack to improve lift during takeoff.

飞行员调整了攻角以提高起飞时的升力。

作文

The concept of the angle of attack is crucial in the field of aerodynamics and aviation. It refers to the angle between the chord line of an airfoil (such as a wing) and the oncoming airflow. Understanding this angle is essential for pilots and engineers alike, as it directly affects the lift generated by the wings of an aircraft. When the angle of attack increases, the lift also increases up to a certain point. However, if the angle becomes too steep, the airflow can separate from the wing’s surface, leading to a stall. This phenomenon illustrates the delicate balance that must be maintained while flying. In practical terms, pilots must constantly monitor and adjust their angle of attack during various phases of flight, such as takeoff, cruising, and landing. For instance, during takeoff, a higher angle of attack is often necessary to generate sufficient lift to become airborne. Conversely, during landing, a lower angle of attack is typically preferred to ensure a smooth touchdown without stalling. The importance of the angle of attack extends beyond just aviation; it can also be applied in other fields such as marine engineering and even sports. For example, in sailing, the angle at which a sail is positioned relative to the wind can significantly affect the boat's speed and maneuverability. Similarly, in sports like golf or baseball, the angle at which a bat or club strikes the ball can influence the trajectory and distance of the hit. Moreover, understanding the angle of attack can lead to better designs in technology. Engineers use this knowledge to optimize the shapes of various structures, ensuring they perform efficiently under different conditions. In wind turbine design, for instance, the blades must be angled correctly to harness wind energy effectively. In conclusion, the angle of attack is a vital concept that plays a significant role in many aspects of our lives, especially in aviation. It requires a thorough understanding and careful management to ensure safety and efficiency. As technology continues to advance, the principles surrounding the angle of attack will remain fundamental in the development of innovative solutions across various industries. By mastering this concept, we can improve not only our flying experience but also our understanding of fluid dynamics in general.

“攻角”这一概念在空气动力学和航空领域中至关重要。它指的是气流与机翼（如飞机翅膀）的弦线之间的角度。理解这个角度对飞行员和工程师来说都非常重要，因为它直接影响着飞机翅膀产生的升力。当“攻角”增大时，升力也会增加，直到某个点。然而，如果角度变得过于陡峭，气流可能会从机翼表面分离，导致失速。这一现象说明了飞行中必须保持的微妙平衡。在实际操作中，飞行员必须在飞行的各个阶段（如起飞、巡航和着陆）不断监测和调整他们的“攻角”。例如，在起飞时，通常需要更高的“攻角”来产生足够的升力以升空。相反，在着陆时，通常更喜欢较低的“攻角”，以确保平稳着陆而不失速。“攻角”的重要性不仅限于航空；它还可以应用于其他领域，如海洋工程甚至体育。例如，在帆船运动中，帆相对于风的位置角度可以显著影响船只的速度和机动性。同样，在高尔夫或棒球等运动中，球棒或球杆击打球的角度可以影响击球的轨迹和距离。此外，理解“攻角”可以促进技术设计的改进。工程师利用这些知识来优化各种结构的形状，确保它们在不同条件下高效运行。例如，在风力涡轮机设计中，叶片必须正确倾斜，以有效利用风能。总之，“攻角”是一个重要的概念，在我们生活的许多方面发挥着重要作用，尤其是在航空领域。它需要深入理解和细致管理，以确保安全和效率。随着技术的不断进步，围绕“攻角”的原则将继续在各个行业的创新解决方案开发中发挥基础性作用。通过掌握这一概念，我们不仅可以改善飞行体验，还可以更好地理解流体动力学。