On the assembly of Archimedean spiral cavities for sound absorption applications: Design, optimization and experimental validation

被引：26
作者：
de Sousa, Augusto Carvalho [1 ,2 ]
Deckers, Elke [2 ,3 ]
Claeys, Claus [1 ,2 ]
Desmet, Wim [1 ,2 ]
机构：
[1] Katholieke Univ Leuven, Dept Mech Engn, Celestijnenlaan 300, B-3001 Leuven, Belgium
[2] Flanders Make, DMMS Lab, Lommel, Belgium
[3] Katholieke Univ Leuven, Mech Engn Technol TC, Diepenbeek Campus,Wetenschapspk 27, B-3590 Diepenbeek, Belgium
来源：
MECHANICAL SYSTEMS AND SIGNAL PROCESSING | 2021年 / 147卷
基金：
比利时弗兰德研究基金会;
关键词：
Archimedean spiral cavities; Metasurfaces; Acoustic absorption; PANEL;
D O I：
10.1016/j.ymssp.2020.107102
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This work presents the design, optimization and combination of fully parameterized Archimedean spiral cavities (ASCs) as acoustic resonators, in order to achieve perfect absorption at frequencies below 1000 Hz while using a completely modular design. The assembly of two ASCs in the same system is also presented. An optimization is performed and results are verified through Finite Element Analysis (FEA) and validated experimentally for almost perfect absorption peaks at 700 Hz and 800 Hz. A good agreement is achieved between theory, simulation and experiments. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：9
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