stall margin

简明释义

失举裕量

英英释义

例句

1.Pilots must be aware of the stall margin when flying at low altitudes.

飞行员在低空飞行时必须注意失速余量。

2.The pilot was trained to recognize the signs of a reduced stall margin.

飞行员接受过训练，以识别失速余量减少的迹象。

3.A decrease in the stall margin can lead to an unexpected stall.

减少的失速余量可能导致意外失速。

4.The aircraft's design allows for a greater stall margin during high-speed turns.

该飞机的设计在高速转弯时允许更大的失速余量。

5.In aerobatic maneuvers, maintaining a sufficient stall margin is crucial for safety.

在特技飞行中，保持足够的失速余量对安全至关重要。

作文

In the field of aerodynamics, understanding the concept of stall margin is crucial for ensuring the safety and efficiency of aircraft. The term stall margin refers to the difference between the critical angle of attack at which an aircraft stalls and the actual angle of attack during flight. Essentially, it provides a buffer that indicates how close an aircraft is to entering a stall condition. A higher stall margin means that the aircraft can operate safely at higher angles of attack without risking a stall, while a lower stall margin indicates that the aircraft is operating closer to its limits.Aircraft designers and engineers pay close attention to stall margin during the development of new aircraft. They conduct extensive wind tunnel testing and computer simulations to analyze the aerodynamic properties of the aircraft. By optimizing wing shape, control surfaces, and overall design, they can increase the stall margin, thereby enhancing the aircraft's performance and safety. For instance, a well-designed wing with an adequate stall margin will allow pilots to maneuver the aircraft more effectively, especially in critical situations such as takeoff and landing.Pilots also need to be aware of the stall margin when flying. Understanding this concept helps them make informed decisions about how to handle the aircraft under various conditions. For example, during a steep climb, the angle of attack increases, and if the pilot does not monitor the stall margin, there is a risk of inadvertently entering a stall. By maintaining awareness of the aircraft’s stall margin, pilots can adjust their flight path and avoid dangerous situations.Moreover, different aircraft have varying stall margins based on their design and intended use. For example, fighter jets are designed for high maneuverability and may have a lower stall margin due to their aerodynamic features. In contrast, commercial airliners are built with a higher stall margin to ensure passenger safety and comfort during flight. This difference highlights the importance of tailoring the stall margin to the specific operational requirements of each aircraft type.In conclusion, the concept of stall margin is fundamental in both aircraft design and piloting. It represents the safety buffer against stalling, enabling safer flight operations. By understanding and optimizing stall margin, engineers can create aircraft that perform reliably, while pilots can navigate safely through a variety of flight conditions. As aviation technology continues to advance, the importance of maintaining an adequate stall margin will remain a key consideration for the future of flight safety and performance.

在空气动力学领域，理解“失速裕度”的概念对于确保飞机的安全和效率至关重要。“失速裕度”一词指的是飞机失速的临界攻角与飞行中实际攻角之间的差异。它本质上提供了一个缓冲区，表明飞机距离进入失速状态的远近。较高的“失速裕度”意味着飞机可以在更高的攻角下安全运行，而不必担心失速，而较低的“失速裕度”则表明飞机的运行接近其极限。飞机设计师和工程师在开发新飞机时非常关注“失速裕度”。他们进行广泛的风洞测试和计算机模拟，以分析飞机的空气动力学特性。通过优化机翼形状、控制面和整体设计，他们可以提高“失速裕度”，从而增强飞机的性能和安全性。例如，设计良好的机翼具有足够的“失速裕度”将使飞行员能够更有效地操纵飞机，特别是在起飞和着陆等关键情况下。飞行员在飞行时也需要了解“失速裕度”。理解这个概念可以帮助他们在各种条件下做出明智的决策。例如，在陡峭的爬升过程中，攻角增加，如果飞行员不监控“失速裕度”，就有可能无意中进入失速状态。通过保持对飞机“失速裕度”的意识，飞行员可以调整航线，避免危险情况。此外，不同的飞机根据其设计和使用目的具有不同的“失速裕度”。例如，战斗机设计用于高机动性，可能由于其空气动力学特征而具有较低的“失速裕度”。相比之下，商用客机则以较高的“失速裕度”建造，以确保乘客在飞行过程中的安全和舒适。这种差异突显了根据每种飞机类型的特定操作要求量身定制“失速裕度”的重要性。总之，“失速裕度”的概念在飞机设计和飞行中都是基础性的。它代表了防止失速的安全缓冲，使飞行操作更加安全。通过理解和优化“失速裕度”，工程师可以创造出可靠性能的飞机，而飞行员可以安全地穿越各种飞行条件。随着航空技术的不断进步，保持足够的“失速裕度”的重要性将继续成为未来飞行安全和性能的重要考量。