A numerical study of a method for measuring the effective in situ sound absorption coefficient

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Kuipers, E.R. and Wijnant, Y.H. and Boer, A de (2012) A numerical study of a method for measuring the effective in situ sound absorption coefficient. Journal of the Acoustical Society of America, 132 (3). 236 - 242. ISSN 0001-4966

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Abstract:The accuracy of a method [Wijnant et al., “Development and applica-
tion of a new method for the in-situ measurement of sound absorption”, ISMA 31,
Leuven, Belgium (2010).], for measurement of the effective area-averaged in situ
sound absorption coefficient is investigated. Based on a local plane wave assump-
tion, this method can be applied to sound fields for which a model is not available.
Investigations were carried out by means of finite element simulations for a typical
case. The results show that the method is a promising method for determining the
effective area-averaged in situ sound absorption coefficient in complex sound fields.
Item Type:Article
Faculty:
Engineering Technology (CTW)
Link to this item:http://purl.utwente.nl/publications/81145
Official URL:http://dx.doi.org/10.1121/1.4745839
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