Holistic Acoustic Absorber Design: from modelling and simulation to laboratory testing and practical realization.

Toulson, R. and Cirstea, S. 2014. Holistic Acoustic Absorber Design: from modelling and simulation to laboratory testing and practical realization. 137th Audio Engineering Society Convention. Los Angeles 09 - 12 Oct 2014 Audio Engineering Society.

TitleHolistic Acoustic Absorber Design: from modelling and simulation to laboratory testing and practical realization.
AuthorsToulson, R. and Cirstea, S.
TypeConference paper
Abstract

Mathematical models for many acoustic absorbing methods have previously been developed, however there is very little accessible data describing how those models perform in a practical implementation of the design. This project describes the development of a novel slotted film sound absorber and presents the results at each design iteration. Initially a number of mathematical models are considered, in order to optimize the design. The modeled designs are laboratory tested with an impedance tube system, and finally, the practical acoustic absorber design is tested in an ISO accredited reverberation chamber. It is seen that the simulation and impedance tube results match very closely, whereas the practical implementation performance is lower in terms of acoustic absorption.

Keywordsacoustic sound absorber simulation testing
Year2014
Conference137th Audio Engineering Society Convention
PublisherAudio Engineering Society
Accepted author manuscriptrad4C7DB.pdf
Publication dates
Published08 Oct 2014
Web address (URL) of conference proceedingshttp://www.proceedings.com/24886.html
Web address (URL)http://www.aes.org/e-lib/browse.cfm?elib=17481

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