翼型自噪声被动降噪研究进展

IF 0.1 4区 工程技术 Q4 ENGINEERING, AEROSPACE Aerospace America Pub Date : 2023-09-08 DOI:10.3390/aerospace10090791
Behzad Amirsalari, Joana Rocha
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引用次数: 0

摘要

气流噪声的预测和降低是能源和航空工业的重点之一。这篇综述文章提供了有价值的见解流致噪声的计算,预测和优化方法的最先进的努力在被动降噪翼型,叶片和机翼。本文综述了该领域的几种方法,包括解析、数值、经验、半经验、人工智能和优化方法。在被动降噪技术下,研究人员开发的设计修改方法包括前缘和后缘处理、多孔材料、可控扩散翼型、变形翼、表面处理和其他独特的几何形状。这项工作强调了结合多种技术的好处,以实现有关期望的应用和设计的最佳结果。此外,本文还概述了每种工具的优缺点,并特别强调了在实现它们时可能遇到的挑战。本文讨论的方法和技术将有助于提高航空结构的声学效率,使其成为研究人员、工程师和其他从事航空降噪工作的专业人员的有益资源。
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Recent Advances in Airfoil Self-Noise Passive Reduction
Airflow-induced noise prediction and reduction is one of the priorities for both the energy and aviation industries. This review paper provides valuable insights into flow-induced noise computation, prediction, and optimization methods with state-of-the-art efforts in passive noise reduction on airfoils, blades, and wings. This review covers the combination of several approaches in this field, including analytical, numerical, empirical, semi-empirical, artificial intelligence, and optimization methods. Under passive noise reduction techniques, leading and trailing edge treatments, porous materials, controlled diffusion airfoils, morphing wings, surface treatments, and other unique geometries that researchers developed are among the design modification methods discussed here. This work highlights the benefits of incorporating multiple techniques to achieve the best results concerning the desired application and design. In addition, this work provides an overview of the advantages and disadvantages of each tool, with a particular emphasis on the possible challenges when implementing them. The methods and techniques discussed herein will help increase the acoustic efficiency of aerial structures, making them a beneficial resource for researchers, engineers, and other professionals working in aviation noise reduction.
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来源期刊
Aerospace America
Aerospace America 工程技术-工程:宇航
自引率
0.00%
发文量
9
审稿时长
4-8 weeks
期刊最新文献
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