Sound attenuation by acoustic metamaterials applied to kitchen hoods

IF 1.3 4区 医学 Q3 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
Jeremy Plé, Tenon Charly Kone, Alla Eddine Benchikh Lehocine, R. Panneton
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引用次数: 0

Abstract

In a society where the vast majority of people spend their time inside buildings or vehicles, the need to filter the air is essential to ensure a certain level of comfort. The integration of air exchanger systems in these enclosed spaces generates noise pollution which can deteriorate the quality of the air. Thus, controlling the noise generated by these systems becomes a major challenge for the construction industry. Recent traditional solutions such as acoustic sonic crystals only allow high frequency noise control. One solution is the incorporation of inner structured acoustic materials for the control of low frequency transmission. This paper proposes a coupling of sonic crystals and structural acoustic materials for the control of sound transmission at low and high frequencies. To achieve this, research and simulations of the acoustic properties of various metamaterial models under the COMSOL software were established as well as a system of the selected solutions, using the transfer matrix method. Experimental impedance tube analyses are being carried out for varying geometries, along with a fabrication method for prototyping.
应用于厨房通风柜的声学超材料的声音衰减
在一个绝大多数人都在建筑物或车辆中度过的社会中,过滤空气的需求对于确保一定程度的舒适度是必不可少的。在这些封闭空间中集成空气交换系统会产生噪音污染,从而恶化空气质量。因此,控制这些系统产生的噪音成为建筑行业面临的主要挑战。最近的传统解决方案,如声学声波晶体只允许高频噪声控制。一种解决方案是结合内部结构声学材料来控制低频传输。本文提出了一种声波晶体与结构声学材料耦合的方法来控制低频和高频的声音传输。为此,利用传递矩阵法,在COMSOL软件下建立了各种超材料模型的声学特性研究和模拟,并建立了一个选择解决方案的系统。实验阻抗管分析正在进行不同的几何形状,以及制造方法的原型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Noise & Health
Noise & Health AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
CiteScore
2.10
自引率
14.30%
发文量
27
审稿时长
6-12 weeks
期刊介绍: Noise and Health is the only International Journal devoted to research on all aspects of noise and its effects on human health. An inter-disciplinary journal for all professions concerned with auditory and non-auditory effects of occupational, environmental, and leisure noise. It aims to provide a forum for presentation of novel research material on a broad range of topics associated with noise pollution, its control and its detrimental effects on hearing and health. It will cover issues from basic experimental science through clinical evaluation and management, technical aspects of noise reduction systems and solutions to environmental issues relating to social and public health policy.
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