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

E.R. Kuipers; Ysbrand H. Wijnant; A de Boer

doi:10.1121/1.4745839

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

E.R. Kuipers
, Ysbrand H. Wijnant
, A de Boer

Faculty of Engineering Technology

Research output: Contribution to journal › Article › Academic › peer-review

8 Citations (Scopus)

191 Downloads (Pure)

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.

Original language	English
Pages (from-to)	236-242
Number of pages	7
Journal	The Journal of the Acoustical Society of America
Volume	132
Issue number	3
DOIs	https://doi.org/10.1121/1.4745839
Publication status	Published - 22 Aug 2012

Keywords

IR-81145
METIS-287092

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10.1121/1.4745839

numerical

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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.",

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AU - Wijnant, Ysbrand H.

AU - de Boer, A

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Y1 - 2012/8/22

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AB - 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.

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JO - The Journal of the Acoustical Society of America

JF - The Journal of the Acoustical Society of America

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ER -

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

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Keywords

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