stall flutter

简明释义

失速颤振

英英释义

Stall flutter is an aerodynamic phenomenon that occurs when an aircraft experiences oscillations in pitch and roll due to a stall condition, often resulting from a loss of lift at high angles of attack.

失速颤振是一种空气动力学现象,发生在飞机因失速条件而出现俯仰和横滚的振荡,通常是由于在高攻角下升力的丧失。

例句

1.The pilot noticed a sudden increase in the aircraft's pitch, indicating a potential stall flutter 失速颤振 during the maneuver.

飞行员注意到飞机俯仰角突然增加,表明在机动过程中可能发生了stall flutter 失速颤振

2.Engineers studied the wing design to minimize the risk of stall flutter 失速颤振 at high speeds.

工程师研究了机翼设计,以尽量减少在高速下发生stall flutter 失速颤振的风险。

3.During the flight test, the team recorded data on stall flutter 失速颤振 to improve safety measures.

在飞行测试中,团队记录了关于stall flutter 失速颤振的数据,以改善安全措施。

4.Maintenance checks are essential to detect any signs of stall flutter 失速颤振 in older aircraft models.

维护检查对于检测老旧飞机型号中是否存在stall flutter 失速颤振的迹象至关重要。

5.The unexpected stall flutter 失速颤振 caused the aircraft to temporarily lose altitude.

意外的stall flutter 失速颤振导致飞机暂时失去高度。

作文

In the world of aviation, understanding the various aerodynamic phenomena is crucial for both pilots and engineers. One such phenomenon is known as stall flutter, which can pose significant risks during flight. To comprehend this term fully, we must first break it down into its components: 'stall' and 'flutter'. A stall occurs when an aircraft's wings exceed their critical angle of attack, causing a sudden loss of lift. This can happen for various reasons, including abrupt maneuvers or insufficient airspeed. On the other hand, 'flutter' refers to a rapid oscillation of an aircraft's surfaces, typically caused by aerodynamic forces acting on them. When these two phenomena combine, the result is stall flutter, a dangerous condition that can lead to structural failure if not addressed promptly.The implications of stall flutter extend beyond mere theoretical understanding; they are vital for ensuring flight safety. Pilots must be trained to recognize the signs of an impending stall and take corrective action before it escalates into a flutter situation. Engineers, too, play a crucial role in designing aircraft that can withstand the forces associated with stall flutter. For instance, they may incorporate specific materials and structural reinforcements to enhance the aircraft's resilience against these oscillations.Moreover, the study of stall flutter has led to advancements in flight training programs. Simulators are now equipped to replicate this phenomenon, allowing pilots to experience and react to it in a controlled environment. This hands-on approach helps build confidence and competence among pilots, ultimately contributing to safer skies.In addition to training and engineering, understanding stall flutter also involves continuous research and development. The aviation industry invests heavily in studying aerodynamic behaviors to improve aircraft performance and safety. Researchers analyze data from flights and simulations to develop better predictive models for stall flutter. These models help in identifying potential risks and implementing preventive measures before they become critical issues.In conclusion, stall flutter represents a complex interaction between aerodynamic principles that can have severe consequences if not properly managed. By understanding its components—stall and flutter—aviation professionals can better prepare for and mitigate the risks associated with this phenomenon. Through rigorous training, innovative engineering, and ongoing research, the aviation community strives to enhance safety and ensure that flying remains one of the safest modes of transportation available today. Ultimately, the goal is to create a thorough understanding of stall flutter so that pilots, engineers, and researchers can work together to prevent accidents and improve the overall safety of air travel.

在航空领域,理解各种空气动力学现象对飞行员和工程师至关重要。其中一个现象被称为失速颤振,这在飞行中可能带来显著风险。要充分理解这个术语,我们首先需要将其分解为两个部分:'失速'和'颤振'。失速发生在飞机的机翼超过其临界攻角时,导致升力的突然丧失。这可能由于多种原因引起,包括突然的机动或不足的空速。另一方面,'颤振'指的是飞机表面的快速振荡,通常是由作用于它们的气动力引起的。当这两种现象结合时,结果便是失速颤振,这是一种危险的情况,如果不及时处理,可能导致结构失效。失速颤振的影响不仅仅限于理论理解;它们对于确保飞行安全至关重要。飞行员必须接受训练,以识别即将失速的迹象,并在情况升级为颤振之前采取纠正措施。工程师在设计能够承受与失速颤振相关的力的飞机时也扮演着关键角色。例如,他们可能会采用特定的材料和结构加固,以增强飞机抵御这些振荡的能力。此外,失速颤振的研究促进了飞行训练项目的发展。模拟器现在配备了重现这一现象的功能,使飞行员能够在受控环境中体验并应对它。这种实践方法有助于建立飞行员的信心和能力,最终为更安全的天空做出贡献。除了培训和工程,理解失速颤振还涉及持续的研究与开发。航空业在研究空气动力学行为方面投入了大量资金,以改善飞机性能和安全性。研究人员分析来自飞行和模拟的数据,以开发更好的失速颤振预测模型。这些模型有助于识别潜在风险,并在它们成为关键问题之前实施预防措施。总之,失速颤振代表了空气动力学原理之间复杂的相互作用,如果不加以管理,可能会产生严重后果。通过理解其组成部分——失速和颤振,航空专业人士可以更好地准备和减轻与这一现象相关的风险。通过严格的训练、创新的工程和持续的研究,航空界努力提高安全性,确保飞行仍然是当今最安全的交通方式之一。最终目标是全面理解失速颤振,以便飞行员、工程师和研究人员能够共同努力,防止事故的发生,并提高航空旅行的整体安全性。

相关单词

flutter

flutter详解:怎么读、什么意思、用法