angle of stall

简明释义

失速角

英英释义

例句

1.A sudden increase in pitch can lead a plane to reach its angle of stall quickly.

突然增加的俯仰角可能导致飞机迅速达到其失速角。

2.When flying at low speeds, the aircraft can easily exceed the angle of stall.

在低速飞行时，飞机很容易超过失速角。

3.The instructor explained how to recognize the signs of approaching the angle of stall.

教练解释了如何识别接近失速角的迹象。

4.Understanding the angle of stall is crucial for safe flight operations.

理解失速角对安全飞行操作至关重要。

5.The pilot adjusted the controls to avoid reaching the angle of stall.

飞行员调整了控制以避免达到失速角。

作文

Understanding the concept of the angle of stall is crucial for anyone interested in aviation or aerodynamics. The angle of stall refers to the critical angle at which an aircraft's wings can no longer generate sufficient lift to support its weight. This phenomenon occurs when the airflow over the wings becomes turbulent, leading to a loss of lift and potentially resulting in a stall condition. Pilots must be aware of this angle to maintain safe flight operations and avoid dangerous situations.The angle of stall varies depending on several factors, including the shape of the wing, the aircraft's speed, and the weight distribution. Typically, as an aircraft approaches its maximum angle of attack, it nears the angle of stall. At this point, the smooth airflow over the wing starts to separate, creating a turbulent wake that disrupts lift generation. For pilots, understanding the angle of stall is essential not only for takeoff and landing but also for maneuvering during flight.In practical terms, pilots are trained to recognize the signs of an impending stall, such as a decrease in airspeed and changes in control responsiveness. They learn to use instruments and visual cues to monitor their approach to the angle of stall, ensuring they remain within safe operational limits. Failure to respect this angle can lead to catastrophic consequences, making it one of the most critical aspects of flight training.Furthermore, the angle of stall is not a static value; it can change with different flight conditions. For instance, flying at higher altitudes where the air is thinner may increase the angle of stall, while loading the aircraft with additional weight can also alter this critical angle. Therefore, pilots must adapt their flying techniques based on these variables.Aircraft designers also consider the angle of stall when creating new models. Enhancements in wing design, such as leading-edge devices, can help delay the stall by allowing the wing to operate at a higher angle of attack without losing lift. This innovation improves safety and performance, particularly in smaller aircraft and those designed for short takeoff and landing operations.In conclusion, the angle of stall is a fundamental concept in aviation that every pilot must understand. It represents the threshold beyond which an aircraft can no longer maintain lift, leading to a stall. By recognizing and respecting this critical angle, pilots can ensure safer flights and better handling of their aircraft. Continuous education and training regarding the angle of stall will ultimately enhance the safety and efficiency of air travel, making it an essential topic in the field of aviation.

理解失速角的概念对于任何对航空或空气动力学感兴趣的人来说都是至关重要的。失速角是指飞机机翼无法再产生足够升力以支撑其重量的临界角度。当机翼上的气流变得湍流时，就会发生这种现象，导致升力丧失并可能导致失速状态。飞行员必须意识到这个角度，以保持安全的飞行操作，避免危险情况。失速角因多个因素而异，包括机翼的形状、飞机的速度和重量分布。通常，当飞机接近其最大攻角时，便接近失速角。此时，机翼上的平滑气流开始分离，形成一个扰动尾流，破坏升力的产生。对于飞行员来说，理解失速角不仅在起飞和着陆时至关重要，而且在飞行过程中进行机动时也同样重要。在实际操作中，飞行员接受培训，以识别即将失速的迹象，例如空速下降和操控响应变化。他们学习使用仪器和视觉线索来监测自己接近失速角的情况，以确保他们保持在安全的操作范围内。不尊重这个角度可能会导致灾难性的后果，使其成为飞行训练中最关键的方面之一。此外，失速角并不是一个静态值；它可以随着不同的飞行条件而变化。例如，在高海拔地区飞行时，空气稀薄可能会增加失速角，而给飞机增加额外重量也会改变这个临界角。因此，飞行员必须根据这些变量调整他们的飞行技术。飞机设计师在创建新型号时也会考虑失速角。机翼设计的改进，例如前缘装置，可以帮助延迟失速，使机翼在不失去升力的情况下以更高的攻角工作。这一创新提高了安全性和性能，特别是在小型飞机和那些设计用于短距离起降的飞机中。总之，失速角是航空中的一个基本概念，每位飞行员都必须理解。它代表了飞机无法再维持升力的阈值，从而导致失速。通过识别和尊重这个临界角，飞行员可以确保飞行的安全性和更好地操控他们的飞机。关于失速角的持续教育和培训最终将增强航空旅行的安全性和效率，使其成为航空领域的重要主题。