angle of attack

简明释义

迎角

英英释义

The angle between the chord line of an airfoil and the oncoming airflow, which affects the lift and drag forces acting on the airfoil.

翼型弦线与来流之间的角度,影响作用在翼型上的升力和阻力。

例句

1.In aerodynamics, the angle of attack is crucial for determining the performance of an aircraft.

在空气动力学中,攻角对于确定飞机的性能至关重要。

2.Adjusting the angle of attack helps in fine-tuning the aircraft's control surfaces.

调整攻角有助于微调飞机的控制面。

3.A higher angle of attack can lead to a stall if it exceeds the critical limit.

如果超过临界值,较高的攻角可能导致失速。

4.The pilot adjusted the angle of attack to improve lift during the climb.

飞行员调整了攻角以提高爬升时的升力。

5.During the flight test, engineers monitored the angle of attack to ensure safety.

在飞行测试中,工程师监测攻角以确保安全。

作文

The term angle of attack refers to the angle between the chord line of an airfoil and the direction of the oncoming air. This concept is crucial in aerodynamics, as it significantly influences the lift generated by an aircraft wing. When a pilot maneuvers an aircraft, understanding the angle of attack becomes essential for safe flying. A higher angle of attack can increase lift up to a certain point, but if it exceeds a critical threshold, it can lead to a stall, where the airflow separates from the wing's surface, resulting in a sudden loss of lift.In flight training, pilots are taught to monitor the angle of attack carefully. For instance, during takeoff and landing, maintaining the correct angle of attack is vital to ensure that the aircraft remains within safe operational limits. The relationship between the angle of attack and lift is not linear; therefore, pilots must understand the specific characteristics of their aircraft to manage this parameter effectively.Moreover, the angle of attack plays a significant role in the design of modern aircraft. Engineers analyze the angle of attack during the design phase to optimize the wing shape and ensure that the aircraft performs well under various conditions. Wind tunnel testing often includes assessments of how different angles of attack affect lift and drag. This data helps in creating wings that can adapt to different flight regimes, whether it be climbing, cruising, or descending.In addition to aviation, the concept of angle of attack can also be applied to other fields such as marine engineering and sports. For example, in sailing, the angle of attack of a sail relative to the wind can determine how effectively a boat moves through the water. Similarly, in sports like skiing or snowboarding, the angle of attack of the skis against the snow can influence speed and control.Understanding the angle of attack is not just limited to technical applications; it also serves as a metaphor in various life situations. For instance, approaching challenges with the right angle of attack can lead to success. In business, this could mean finding the most effective strategy to enter a market or addressing a problem with the best mindset. Just as in aviation, where the wrong angle of attack can lead to failure, in life, the wrong approach can hinder progress.In conclusion, the angle of attack is a fundamental concept in aerodynamics that has far-reaching implications beyond aviation. By understanding and mastering this term, one can appreciate its importance in various fields and life situations. Whether you are a pilot, an engineer, or simply someone looking to tackle challenges more effectively, recognizing the significance of the angle of attack can lead to better decision-making and outcomes.

术语攻角指的是机翼弦线与迎面气流方向之间的角度。这个概念在空气动力学中至关重要,因为它显著影响飞机机翼产生的升力。当飞行员操控飞机时,理解攻角对于安全飞行变得尤为重要。较高的攻角可以在一定程度上增加升力,但如果超过临界阈值,就可能导致失速,此时气流会从机翼表面分离,导致升力突然丧失。在飞行训练中,飞行员被教导要仔细监测攻角。例如,在起飞和着陆过程中,保持正确的攻角对于确保飞机处于安全操作范围内至关重要。攻角与升力之间的关系并不是线性的;因此,飞行员必须了解他们飞机的特性,以有效管理这一参数。此外,攻角在现代飞机设计中也起着重要作用。工程师在设计阶段分析攻角,以优化机翼形状,确保飞机在各种条件下表现良好。风洞测试通常包括评估不同攻角如何影响升力和阻力的数据。这些数据有助于创建能够适应不同飞行状态的机翼,无论是爬升、巡航还是下降。除了航空,攻角的概念还可以应用于其他领域,如海洋工程和体育。例如,在帆船运动中,帆相对于风的攻角可以决定船只在水中移动的效率。同样,在滑雪或单板滑雪等运动中,滑雪板与雪的攻角可以影响速度和控制。理解攻角不仅限于技术应用;它还在各种生活情况下作为一种隐喻。例如,以正确的攻角应对挑战可以导致成功。在商业中,这可能意味着找到进入市场的最有效策略或以最佳心态解决问题。正如在航空中,错误的攻角可能导致失败,在生活中,错误的方法也可能阻碍进展。总之,攻角是空气动力学中的一个基本概念,其影响超越了航空。通过理解和掌握这个术语,人们可以欣赏到它在各个领域和生活情况中的重要性。无论你是飞行员、工程师,还是只是想更有效地应对挑战的人,认识到攻角的重要性都能带来更好的决策和结果。

相关单词

angle

angle详解:怎么读、什么意思、用法