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Published in: European Journal of Wood and Wood Products 3/2014

01-05-2014 | Original

Acoustical performance of loose cork granulates

Authors: Rubén Maderuelo-Sanz, Juan Miguel Barrigón Morillas, Valentín Gómez Escobar

Published in: European Journal of Wood and Wood Products | Issue 3/2014

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Abstract

This paper reports on an investigation of the acoustical performance of loose cork granulates. This investigation is based on the physical parameters of loose granular cork obtained through an empirical model of the acoustic properties of loose granular media shown by Voronina and Horoshenkov and the experimental performance of these granulates. The performance is assessed according to ISO 10534-2 (1998). The data obtained show clearly that this porous absorber exhibits high sound absorption performance varying with particle size. The relationship between the experimental and the model results demonstrates the existence of significant differences between particle sizes >3.5 mm. Finally, the performance of this material is compared to other granular materials.

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Metadata
Title
Acoustical performance of loose cork granulates
Authors
Rubén Maderuelo-Sanz
Juan Miguel Barrigón Morillas
Valentín Gómez Escobar
Publication date
01-05-2014
Publisher
Springer Berlin Heidelberg
Published in
European Journal of Wood and Wood Products / Issue 3/2014
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI
https://doi.org/10.1007/s00107-014-0784-x

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