Broadband low-frequency sound absorption by coiled-up space embedded in a porous layer
Abstract
Low frequency noise has strong penetration power and is difficult to be attenuated. In order to solve the problem of low-frequency noise absorption in traditional sound absorbing materials, a coupled structure of coiled-up space core embedded in a porous material (CSPM) is proposed. The coiled-up space core (CSC) structure consists of a folding structure and a labyrinth structure, and a rectangular slot is cut at the top of each structure to...
Paper Details
Title
Broadband low-frequency sound absorption by coiled-up space embedded in a porous layer
Published Date
Nov 1, 2021
Journal
Volume
182
Pages
108226 - 108226
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