Abstract
Fibrous absorbers can be installed with various air backing conditions to fulfil a given low frequency acoustic requirement. Since absorber manufacturers cannot provide the absorption coefficients for all possible mounting conditions, acousticians have difficulties knowing the absorption characteristics of their own configurations. This study aims to predict the absorption coefficient for various mounting conditions from a single measurement of an arbitrary mounting condition by extracting the air flow resistivity of the test specimen and the frequency-dependent effect of the chamber on the measured absorption coefficients. With two homogeneous fibrous absorbers, the predicted absorption coefficients agree well with the measurements.
| Original language | English |
|---|---|
| Journal | Journal of the Acoustical Society of America |
| Volume | 140 |
| Issue number | 3 |
| Pages (from-to) | 1498–1501 |
| ISSN | 0001-4966 |
| DOIs | |
| Publication status | Published - 2016 |
Bibliographical note
Copyright 2016 Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.Fingerprint
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