A Model for Calculating the Noise Absorption Capacity of Nonwoven Fiber Webs

A Model for Calculating the Noise Absorption Capacity of Nonwoven Fiber Webs

Nonwovens can be used as noise control elements for a wide range of applications. This paper suggests a numerical method for calculating their acoustic performance using the theory of Zwikker and Kosten on sound propagation through porous media. The results for nonwovens made from acrylic fibers, co...

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Veröffentlicht in:Textile research journal 1999-07, Vol.69 (7), p.519-526
Hauptverfasser: Shoshani, Yakir, Yakubov, Yakov
Format: Artikel
Sprache:eng
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Fibers
Guidelines
Mathematical models
Noise
Noise control
Numerical analysis
Textiles
Webs
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Yakubov, Yakov
description Nonwovens can be used as noise control elements for a wide range of applications. This paper suggests a numerical method for calculating their acoustic performance using the theory of Zwikker and Kosten on sound propagation through porous media. The results for nonwovens made from acrylic fibers, cotton, and polyester are in fair agreement with experimental findings. The model yields the noise absorption coefficients of fiber webs as a function of their thickness and porosity. This relationship might serve as a guideline for the optimal design of passive control components made of nonwovens.
doi_str_mv 10.1177/004051759906900709
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subjects Fibers
Guidelines
Mathematical models
Noise
Noise control
Numerical analysis
Textiles
Webs
title A Model for Calculating the Noise Absorption Capacity of Nonwoven Fiber Webs
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