stall flutter

简明释义

失速喘振

英英释义

Stall flutter is a type of aerodynamic flutter that occurs when an aircraft experiences a loss of lift at high angles of attack, leading to oscillations in the control surfaces.

失速颤振是一种气动颤振,发生在飞机在高攻角时失去升力,导致控制面出现振荡。

例句

1.Understanding stall flutter is crucial for pilots to prevent dangerous situations during maneuvers.

理解失速颤振对飞行员来说至关重要,以防在机动过程中出现危险情况。

2.The aircraft's design modifications aimed to eliminate any risk of stall flutter in turbulent conditions.

飞机的设计修改旨在消除在湍流条件下发生失速颤振的任何风险。

3.Engineers must consider stall flutter when designing wings to ensure safety at high speeds.

工程师在设计机翼时必须考虑失速颤振,以确保在高速下的安全性。

4.During the test flight, the aircraft experienced stall flutter which prompted an immediate return to base.

在测试飞行中,飞机经历了失速颤振,这促使其立即返回基地。

5.The pilot noticed the onset of stall flutter during the steep climb, indicating a potential loss of control.

飞行员在陡峭的爬升中注意到出现了失速颤振,这表明可能会失去控制。

作文

In the world of aviation, understanding various aerodynamic phenomena is crucial for pilots and engineers alike. One such phenomenon is known as stall flutter, which can have significant implications for aircraft performance and safety. To fully appreciate the importance of stall flutter, we must first explore the concepts of stalling and flutter in detail.Stalling occurs when an aircraft's wings exceed their critical angle of attack, causing a sudden loss of lift. This situation can arise during sharp turns, abrupt maneuvers, or even during landing if the pilot does not maintain proper speed. When an aircraft stalls, it can become uncontrollable, leading to a potential crash if not recovered promptly. On the other hand, flutter refers to the oscillation of an aircraft's surfaces, such as wings or control surfaces, which can lead to structural failure if not managed correctly.The interaction between these two phenomena gives rise to stall flutter. This occurs when an aircraft experiences a stall while simultaneously undergoing oscillations due to flutter. The combination of these two events can create a dangerous scenario where the aircraft may lose control and suffer catastrophic failure. Understanding stall flutter is vital for designing safer aircraft and for training pilots to recognize and respond to such situations effectively.To illustrate the significance of stall flutter, consider a scenario involving a high-performance aerobatic aircraft. During a complex maneuver, the pilot may inadvertently exceed the critical angle of attack, leading to a stall. If the aircraft is also experiencing oscillations due to flutter, the situation could quickly escalate into a loss of control. Pilots must be trained to identify the signs of both stalling and flutter, allowing them to take corrective actions before it’s too late.Engineers play a crucial role in mitigating the risks associated with stall flutter. Through extensive testing and simulations, they can design aircraft structures that are resilient against the forces generated during flutter and ensure that the aircraft can recover from stalls safely. This involves using advanced materials and implementing design features that enhance stability and control.Moreover, modern technology has enabled the development of sophisticated systems that can detect the onset of stall flutter in real-time. These systems can alert pilots to changes in the aircraft’s behavior, allowing them to take corrective measures before the situation becomes critical. Such advancements are essential in improving overall flight safety and reducing the likelihood of accidents caused by stall flutter.In conclusion, stall flutter represents a complex interplay between stalling and fluttering phenomena that poses significant risks in aviation. A comprehensive understanding of this concept is essential for both pilots and engineers. By emphasizing the importance of recognizing and managing stall flutter, the aviation industry can continue to enhance safety protocols and improve aircraft designs, ultimately ensuring safer skies for everyone. As we advance technologically, the focus on preventing incidents related to stall flutter will remain a top priority in aviation safety initiatives.

在航空世界中,理解各种空气动力学现象对飞行员和工程师来说至关重要。其中一个现象被称为失速颤振,它对飞机性能和安全性有着重要影响。要充分理解失速颤振的重要性,我们必须首先详细探讨失速和颤振的概念。失速发生在飞机的机翼超过其临界攻角时,导致升力突然丧失。这种情况可能在急转弯、剧烈操作或甚至在降落时,如果飞行员未能保持适当速度,也会发生。当飞机失速时,可能会变得失去控制,如果不能及时恢复,可能会导致坠毁。另一方面,颤振是指飞机表面(如机翼或控制面)发生振荡,如果管理不当,可能会导致结构失效。这两种现象的相互作用产生了失速颤振。当飞机在经历失速的同时也发生颤振时,就会出现这种情况。这两种事件的结合可能会造成危险的情景,飞机可能失去控制并遭受灾难性故障。理解失速颤振对于设计更安全的飞机以及训练飞行员识别和应对这种情况至关重要。为了说明失速颤振的重要性,可以考虑一个涉及高性能特技飞机的场景。在复杂的机动过程中,飞行员可能无意中超过临界攻角,导致失速。如果飞机也因颤振而发生振荡,情况可能迅速升级为失控。飞行员必须接受培训,以识别失速和颤振的迹象,从而在为时已晚之前采取纠正措施。工程师在降低与失速颤振相关风险方面发挥着关键作用。通过广泛的测试和模拟,他们可以设计出在颤振过程中能够抵御产生的力量的飞机结构,并确保飞机能够安全地从失速中恢复。这涉及使用先进材料和实施增强稳定性和控制的设计特征。此外,现代技术使得开发出能够实时检测失速颤振开始的复杂系统成为可能。这些系统可以提醒飞行员飞机行为的变化,使他们能够在情况变得危急之前采取纠正措施。这些进展对于提高整体飞行安全性和减少因失速颤振引发的事故的可能性至关重要。总之,失速颤振代表了失速和颤振现象之间复杂的相互作用,这在航空中带来了重大风险。全面理解这一概念对于飞行员和工程师都至关重要。通过强调识别和管理失速颤振的重要性,航空业可以继续增强安全协议并改善飞机设计,最终确保每个人的安全飞行。随着技术的进步,预防与失速颤振相关事件的关注将始终是航空安全倡议的重中之重。

相关单词

flutter

flutter详解:怎么读、什么意思、用法