trailing edge noise

简明释义

随边噪声

英英释义

例句

1.The company implemented new technologies to minimize trailing edge noise 尾缘噪声 in their wind turbine designs.

公司采用新技术，以最小化其风力涡轮机设计中的尾缘噪声。

2.Researchers are studying the effects of trailing edge noise 尾缘噪声 on bird populations near airports.

研究人员正在研究尾缘噪声对机场附近鸟类种群的影响。

3.The latest model of the car was praised for its reduced trailing edge noise 尾缘噪声 during high-speed driving.

这款最新型号的汽车因其在高速驾驶时减少的尾缘噪声而受到赞扬。

4.The engineers conducted tests to measure the trailing edge noise 尾缘噪声 produced by the new aircraft design.

工程师们进行了测试，以测量新飞机设计产生的尾缘噪声。

5.Reducing trailing edge noise 尾缘噪声 is crucial for meeting regulatory standards.

减少尾缘噪声对于满足监管标准至关重要。

作文

The world of aerodynamics is filled with complex interactions between air and solid surfaces, particularly in the realm of aircraft design. One significant aspect of this interaction is the phenomenon known as trailing edge noise, which refers to the sound generated at the trailing edges of wings or other aerodynamic surfaces as they interact with the airflow. This noise can be a critical factor in the design and operation of aircraft, influencing not only the comfort of passengers but also the environmental impact of aviation. Understanding trailing edge noise is essential for engineers and designers who strive to create quieter and more efficient aircraft.When an aircraft flies, it displaces air, creating turbulence around its wings. The trailing edge of the wing is where the airflow separates from the surface, leading to the generation of vortices. These vortices can create pressure fluctuations that result in sound waves, contributing to what we recognize as trailing edge noise. The intensity of this noise can vary based on several factors, including the design of the wing, the speed of the aircraft, and the angle of attack. Engineers have found that optimizing these parameters can significantly reduce the amount of noise produced during flight.In recent years, there has been a growing concern regarding noise pollution caused by aircraft, especially in urban areas near airports. Communities living close to flight paths often report disturbances due to the sounds generated by takeoffs and landings. As a result, regulatory bodies have implemented stricter noise abatement procedures, prompting manufacturers to focus on reducing trailing edge noise. Innovations in wing design, such as the use of serrated edges or advanced materials, have shown promise in mitigating this issue.Moreover, research into trailing edge noise has led to advancements in computational fluid dynamics (CFD), allowing engineers to simulate and analyze airflow around various wing configurations. By utilizing these simulations, designers can predict how changes to a wing's shape or surface texture might influence the noise generated during flight. This data-driven approach enables more informed decisions, leading to quieter aircraft without compromising performance.Furthermore, the implications of trailing edge noise extend beyond just aircraft. Similar principles apply to other areas, such as automotive design and wind turbine efficiency. For example, reducing noise from car spoilers or turbine blades can enhance user experience and minimize environmental impact. As industries continue to prioritize sustainability and noise reduction, the study of trailing edge noise will remain a vital area of research.In conclusion, trailing edge noise is a crucial consideration in the field of aerodynamics, impacting both the design of aircraft and the quality of life for those living near airports. As technology progresses, the ability to analyze and mitigate this noise will improve, leading to quieter, more efficient flying machines. For engineers and researchers, understanding the mechanisms behind trailing edge noise is not just an academic exercise; it is a pathway toward a more sustainable future in aviation and beyond.

气动学的世界充满了空气与固体表面之间复杂的相互作用，尤其是在飞机设计领域。这一相互作用中一个重要的方面是被称为尾缘噪声的现象，它指的是在机翼或其他气动表面的尾缘与气流相互作用时产生的声音。这种噪声可能是飞机设计和运行中的一个关键因素，影响到乘客的舒适度以及航空的环境影响。理解尾缘噪声对于努力创造更安静、更高效飞机的工程师和设计师来说至关重要。当飞机飞行时，它会排开空气，导致其机翼周围产生湍流。机翼的尾缘是气流从表面分离的地方，这导致涡旋的生成。这些涡旋可以产生压力波动，从而形成声波，贡献于我们所识别的尾缘噪声。这种噪声的强度可能会因多个因素而异，包括机翼的设计、飞机的速度和攻角。工程师发现，优化这些参数可以显著减少飞行过程中产生的噪声。近年来，对于飞机造成的噪音污染的关注日益增加，特别是在靠近机场的城市地区。生活在航线附近的社区常常报告因为起飞和降落产生的声音而受到干扰。因此，监管机构实施了更严格的噪声减排程序，促使制造商专注于减少尾缘噪声。机翼设计方面的创新，例如使用锯齿边缘或先进材料，已经显示出缓解这一问题的前景。此外，对尾缘噪声的研究促进了计算流体动力学（CFD）的进步，使工程师能够模拟和分析各种机翼配置周围的气流。通过利用这些模拟，设计师可以预测对机翼形状或表面纹理的改变如何影响飞行过程中产生的噪声。这种数据驱动的方法使得更有根据的决策成为可能，从而在不妨碍性能的情况下实现更安静的飞机。此外，尾缘噪声的影响不仅限于飞机。类似的原理也适用于其他领域，例如汽车设计和风力涡轮机效率。例如，减少汽车扰流板或涡轮叶片的噪声可以提升用户体验并最小化环境影响。随着各行业继续优先考虑可持续发展和噪声减少，对尾缘噪声的研究将始终是一个重要的研究领域。总之，尾缘噪声是气动学领域中的一个关键考虑因素，影响着飞机的设计以及生活在机场附近人们的生活质量。随着技术的发展，分析和减轻这种噪声的能力将不断提高，从而导致更安静、更高效的飞行器。对于工程师和研究人员而言，理解尾缘噪声背后的机制不仅仅是学术上的探讨；它是通往航空及其他领域更可持续未来的途径。