aeroacoustics

简明释义

英[ˌɛroʊəˈkuːstɪks]美[ˌɛroʊəˈkuːstɪks]

n. 空气声学，航空声学（aeroacoustic 复数）

英英释义

单词用法

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例句

1.A computational aeroacoustics approach is applied to studying sound propagation in subsonic and supersonic nozzle.

采用计算气动声学方法研究了管道近音速区的声传播和声波与激波的相互作用问题。

2.The paper presents a finite volume numerical method universally applicable for solving both linear and nonlinear aeroacoustics problems on arbitrary unstructured meshes.

介绍了有限体积数值方法，该方法适用于在任意非结构网格上求解线性和非线性的航空声学问题。

3.In this article spurious waves introduced in the computation of aeroacoustics are analyzed theoretically and filters are proposed to attenuate these waves as soon as they are generated.

从理论上分析了数值伪波产生的原因，要消除数值伪波可用滤波方法。

4.In this paper, the numerical methods, issues and development for aeroacoustics, were described, including finite difference scheme, boundary conditions and nonlinear acoustics and shocks.

本文介绍了气动声学数值计算的方法和有关的问题、边界条件的处理以及计算非线性声波的数值方法和进展。

5.The research on the rotor blade-vortex interaction (BVI) noise is a very important aspect and a very challenging subject in the rotorcraft aeroacoustics field.

旋翼桨-涡干扰噪声问题是直升机气动声学领域的一个研究热点和难点。

6.Finally the feasibility of spectral element methods for Computational Aeroacoustics is verified.

最终证明了谱元方法求解计算气动声学问题的可行性。

7.Overlap grid is selected for helping calculate aeroacoustics following and apply symmetrical boundary condition.

为方便后面声场的计算和对称边界条件的实施，选用重叠网格。

8.In this paper, the numerical methods, issues and development for aeroacoustics, were described, including finite difference scheme, boundary conditions and nonlinear acoustics and shocks.

本文介绍了气动声学数值计算的方法和有关的问题、边界条件的处理以及计算非线性声波的数值方法和进展。

9.The study of aeroacoustics 气动声学 is essential for designing quieter aircraft.

对气动声学的研究对设计更安静的飞机至关重要。

10.Researchers are using aeroacoustics 气动声学 to reduce noise pollution from wind turbines.

研究人员正在利用气动声学来减少风力涡轮机的噪音污染。

11.The aeroacoustics 气动声学 of helicopter blades is a critical factor in their design.

直升机叶片的气动声学是其设计中的一个关键因素。

12.The conference on aeroacoustics 气动声学 attracted experts from around the world.

关于气动声学的会议吸引了来自世界各地的专家。

13.Engineers apply principles of aeroacoustics 气动声学 to improve the performance of jet engines.

工程师应用气动声学的原理来改善喷气发动机的性能。

作文

In the realm of engineering and physics, the study of sound generated by fluid flow is a critical area known as aeroacoustics. This field focuses on understanding how air movement interacts with various structures, producing sound waves that can significantly impact both performance and environmental noise levels. The term aeroacoustics combines 'aero', relating to air, and 'acoustics', which pertains to sound. This interdisciplinary subject draws from principles of aerodynamics, acoustics, and material science, making it essential for various applications ranging from aviation to automotive design.One of the primary concerns in the aerospace industry is the noise produced by aircraft during takeoff, flight, and landing. As air passes over the wings and fuselage, it generates turbulence and vortices, which can lead to significant sound emissions. Engineers utilize aeroacoustics to analyze these phenomena, aiming to reduce noise pollution around airports and improve passenger comfort. By employing computational methods and wind tunnel testing, researchers can predict sound levels and develop quieter designs.In addition to aviation, aeroacoustics plays a vital role in the automotive sector. As vehicles become faster and more efficient, the sound generated by airflow around the body of the car becomes increasingly important. Engineers must consider how to minimize wind noise while maintaining aerodynamic efficiency. Through the application of aeroacoustics, manufacturers can create vehicles that are not only high-performing but also quieter, enhancing the driving experience for consumers.Moreover, aeroacoustics has implications for urban planning and environmental policy. Cities often face challenges related to noise pollution, especially in densely populated areas near highways and airports. Understanding the principles of aeroacoustics enables city planners to design spaces that mitigate sound propagation, improving the quality of life for residents. This can involve strategic placement of buildings, use of sound barriers, and careful consideration of traffic patterns.Research in aeroacoustics is continually evolving, driven by advancements in technology and a growing awareness of environmental issues. The development of quieter aircraft engines and more efficient transportation systems is a direct result of applying aeroacoustics principles. Furthermore, the rise of electric vehicles presents new challenges and opportunities in this field, as these vehicles produce different sound profiles compared to traditional combustion engines.In conclusion, aeroacoustics is an essential field that intersects multiple disciplines, addressing the challenges of noise generation in various industries. Its applications are crucial for enhancing the performance of aircraft and vehicles while minimizing their environmental impact. As we continue to innovate and push the boundaries of technology, the importance of aeroacoustics will only grow, paving the way for quieter, more efficient modes of transportation and improved urban environments.

在工程和物理学领域，由流体流动产生的声音研究是一个重要领域，称为aeroacoustics（气动声学）。该领域专注于理解空气运动如何与各种结构相互作用，产生可能对性能和环境噪声水平产生重大影响的声波。术语aeroacoustics结合了“aero”，与空气相关，以及“acoustics”，与声音有关。这个跨学科的主题借鉴了空气动力学、声学和材料科学的原理，使其在航空航天、汽车设计等多种应用中至关重要。航空航天行业的主要关注点之一是飞机在起飞、飞行和着陆过程中产生的噪音。当空气流过机翼和机身时，会产生湍流和涡流，这可能导致显著的声发射。工程师利用aeroacoustics来分析这些现象，旨在减少机场周围的噪音污染并提高乘客的舒适度。通过采用计算方法和风洞测试，研究人员可以预测声级并开发更安静的设计。除了航空，aeroacoustics在汽车行业也发挥着重要作用。随着车辆变得越来越快和高效，空气流动绕车身产生的声音变得越来越重要。工程师必须考虑如何在保持空气动力效率的同时最小化风噪声。通过应用aeroacoustics，制造商可以创造出不仅性能优越而且更安静的车辆，提升消费者的驾驶体验。此外，aeroacoustics对城市规划和环境政策有着深远的影响。城市常常面临噪音污染的问题，尤其是在靠近高速公路和机场的密集人口区域。理解aeroacoustics的原理使城市规划者能够设计出减轻声音传播的空间，从而改善居民的生活质量。这可能涉及到建筑的战略布局、使用隔音屏障以及仔细考虑交通模式。aeroacoustics的研究不断发展，受到技术进步和对环境问题日益关注的推动。更安静的飞机发动机和更高效的交通系统的发展直接源于应用aeroacoustics原理。此外，电动车的兴起为这一领域带来了新的挑战和机遇，因为这些车辆产生的声音特征与传统内燃机不同。总之，aeroacoustics是一个重要的领域，交叉多个学科，解决各个行业噪声产生的挑战。它的应用对于增强飞机和车辆的性能，同时最小化它们对环境的影响至关重要。随着我们不断创新并推动技术的边界，aeroacoustics的重要性只会增加，为更安静、更高效的交通方式和改善的城市环境铺平道路。