Optimization of parallel coiled cavities of different depths in microperforated panel sound absorbers

Optimization of parallel coiled cavities of different depths in microperforated panel sound absorbers

Abstract This paper presents a microperforated panel (MPP) sound absorber with parallel coiled-up-cavities of different-depths (PCD) and the corresponding optimization on their cavities. In this study, an analytical model is initially proposed for estimating the cavity depths of the PCD-MPP absorber...

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Bibliographic Details
Main Authors: Hequn Min, Huading Lou, Yuchen Zhao
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Microperforated panel
Sound absorber
Broadband sound absorption
Coiled-up cavity
Online Access:https://doi.org/10.1038/s41598-025-85171-3
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