Improvement of Sound-Absorbing Dips in Nonwoven Fabric Sheet with Back Air Space: Division of Back Air Space by Additional Nonwoven Fabric Sheet

Improvement of Sound-Absorbing Dips in Nonwoven Fabric Sheet with Back Air Space: Division of Back Air Space by Additional Nonwoven Fabric Sheet

This study was conducted to improve the sound absorption dips in nonwoven fabric sheets with a back air space. Considering the particle velocity distribution in the back air space, another nonwoven sheet was added to divide the air space into layers. The sound absorption coefficient of the sound-abs...

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Bibliographic Details
Main Authors: Shuichi Sakamoto, Kodai Sato, Gaku Muroi, Yusuke Nakao, Kaito Kuboki, Nobuhito Taguchi
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Acoustics
Subjects:
sound absorption dip
nonwoven fabric sheet
transfer matrix
back airspace
Online Access:https://www.mdpi.com/2624-599X/7/2/25
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