fluid-dynamic noise

简明释义

流体动力噪声

英英释义

例句

1.The engineers conducted tests to measure the fluid-dynamic noise 流体动力噪声 produced by the new turbine design.

工程师们进行了测试，以测量新涡轮设计产生的流体动力噪声。

2.Understanding fluid-dynamic noise 流体动力噪声 is crucial for improving the acoustic performance of aircraft.

理解流体动力噪声对于提高飞机的声学性能至关重要。

3.The researchers found that fluid-dynamic noise 流体动力噪声 can significantly affect the comfort levels in passenger vehicles.

研究人员发现，流体动力噪声可以显著影响乘客车辆的舒适度。

4.The study focused on how fluid-dynamic noise 流体动力噪声 influences the behavior of fish near underwater vehicles.

该研究集中于流体动力噪声如何影响鱼类在水下车辆附近的行为。

5.In marine engineering, reducing fluid-dynamic noise 流体动力噪声 is essential for stealth operations.

在海洋工程中，减少流体动力噪声对于隐身作战至关重要。

作文

In the realm of engineering and physics, understanding various types of noise is crucial for improving the performance and efficiency of systems. One such type of noise is fluid-dynamic noise, which refers to the sound generated by the movement of fluids, including gases and liquids. This phenomenon can be observed in numerous applications, from aircraft design to the operation of pipelines. The study of fluid-dynamic noise is essential for engineers who aim to minimize unwanted sound while maximizing the functionality of their designs.To grasp the significance of fluid-dynamic noise, it is important to first recognize its sources. When fluids flow over surfaces or through constrictions, they create turbulence. This turbulence can lead to fluctuations in pressure and velocity, resulting in sound waves that propagate through the medium. For instance, when air flows over an aircraft wing, the interaction between the air and the wing surface generates fluid-dynamic noise, which can affect not only the comfort of passengers but also the structural integrity of the aircraft.Moreover, fluid-dynamic noise can be categorized into several types based on its source and characteristics. For example, there is broadband noise, which is produced by turbulent flow, and tonal noise, which arises from specific frequencies associated with vortex shedding. Understanding these categories allows engineers to implement targeted strategies to mitigate noise levels effectively.One practical application of studying fluid-dynamic noise is in the design of quieter aircraft. Noise regulations in many countries have become increasingly stringent, prompting manufacturers to invest in research aimed at reducing the sound produced during flight. By employing computational fluid dynamics (CFD) simulations, engineers can predict how changes in design will influence fluid-dynamic noise generation. This approach enables them to refine shapes and materials used in aircraft to achieve a quieter operation without compromising performance.Additionally, fluid-dynamic noise is not limited to aviation; it also plays a significant role in marine engineering. Ships and submarines must account for the noise produced by water flowing over their hulls. Excessive noise can hinder communication and detection systems, making stealth a critical consideration in military applications. Engineers use advanced modeling techniques to analyze the fluid-dynamic noise created by different hull designs and propeller configurations to enhance quietness while maintaining speed and maneuverability.Furthermore, the implications of fluid-dynamic noise extend beyond engineering. In environmental contexts, understanding how industrial processes generate noise pollution can lead to better regulations and practices. Facilities that handle large volumes of fluids, such as wastewater treatment plants, must consider the impact of fluid-dynamic noise on nearby communities. By implementing noise reduction technologies, these facilities can operate more harmoniously within their environments.In conclusion, fluid-dynamic noise is a multifaceted subject that intersects various fields, including aerospace, marine engineering, and environmental science. As technology advances, the ability to analyze and mitigate fluid-dynamic noise will continue to improve, leading to quieter and more efficient systems. Engineers and researchers must remain vigilant in their efforts to understand this phenomenon, ensuring that the benefits of modern technology do not come at the cost of excessive noise pollution. The pursuit of knowledge in this area is not only vital for technical advancements but also for fostering a more sustainable and peaceful coexistence between human activities and the natural world.

在工程和物理学领域，理解各种噪声类型对于提高系统的性能和效率至关重要。其中一种噪声是流体动力噪声，指的是流体（包括气体和液体）运动产生的声音。这种现象可以在许多应用中观察到，从飞机设计到管道的操作。研究流体动力噪声对于旨在最小化不必要的声音同时最大化设计功能的工程师来说是必不可少的。要理解流体动力噪声的重要性，首先要认识其来源。当流体在表面上或通过狭窄处流动时，会产生湍流。这种湍流会导致压力和速度的波动，产生声波在介质中传播。例如，当空气在飞机机翼上流动时，空气与机翼表面的相互作用会产生流体动力噪声，这不仅会影响乘客的舒适度，还会影响飞机的结构完整性。此外，流体动力噪声可以根据其来源和特征分为几种类型。例如，宽带噪声是由湍流流动产生的，而音调噪声则源于与涡旋脱落相关的特定频率。理解这些类别使工程师能够有效地实施针对性的策略来减小噪声水平。研究流体动力噪声的一个实际应用是在设计更安静的飞机。许多国家的噪声法规变得越来越严格，促使制造商投资于旨在减少飞行过程中产生的声音的研究。通过采用计算流体动力学（CFD）模拟，工程师可以预测设计变化将如何影响流体动力噪声的产生。这种方法使他们能够优化飞机的形状和材料，以实现更安静的操作，同时不妥协性能。此外，流体动力噪声并不限于航空；它在海洋工程中也发挥着重要作用。船舶和潜艇必须考虑水流过船体时产生的噪声。过多的噪声会妨碍通信和探测系统，使隐蔽性在军事应用中成为关键考虑因素。工程师使用先进的建模技术来分析不同船体设计和螺旋桨配置所产生的流体动力噪声，以增强安静性，同时保持速度和机动性。此外，流体动力噪声的影响超出了工程领域。在环境背景下，理解工业过程如何产生噪声污染可以导致更好的法规和实践。处理大量流体的设施，例如废水处理厂，必须考虑流体动力噪声对附近社区的影响。通过实施噪声减少技术，这些设施可以在其环境中更和谐地运行。总之，流体动力噪声是一个多方面的主题，涉及航空航天、海洋工程和环境科学等多个领域。随着技术的进步，分析和减轻流体动力噪声的能力将继续提高，从而导致更安静和更高效的系统。工程师和研究人员必须在理解这一现象的努力中保持警觉，确保现代技术的好处不会以过度噪声污染为代价。在这一领域追求知识不仅对技术进步至关重要，而且有助于促进人类活动与自然世界之间的可持续和平共处。