The Open UniversitySkip to content
 

Aperiodicity effects on sound transmission through arrays of identical cylinders perpendicular to the ground

Taherzadeh, Shahram; Bashir, Imran and Attenborough, Keith (2012). Aperiodicity effects on sound transmission through arrays of identical cylinders perpendicular to the ground. Journal of the Acoustical Society of America, 132(4) EL323-EL328.

URL: http://asadl.org/jasa/resource/1/jasman/v132/i4/pE...
DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1121/1.4751991
Google Scholar: Look up in Google Scholar

Abstract

Results of laboratory measurements of sound transmission through 5 × 10 arrays of meter long polyvinyl chloride pipes with lattice constants of 5 and 10 cm with filling fractions of 13% and 50% located either on medium density fibreboard or a layer of felt are reported. Ground effects and sonic crystal effects are found to be additive. Measurements and predictions show that, while there is little broadband advantage in a periodic configuration compared with a random one, a quasi-periodic arrangement in which the perturbation has a standard deviation equal to the scatterer diameter gives the best overall attenuation.

Item Type: Journal Article
Copyright Holders: 2012 Acoustical Society of America
ISSN: 0001-4966
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetEU FP7
Keywords: sonic crystals; noise abatement; partial disorder; acoustic materials; acoustic noise; acoustic wave scattering; acoustic wave transmission; lattice constants; pipes; plastics
Academic Unit/Department: Mathematics, Computing and Technology > Engineering & Innovation
Mathematics, Computing and Technology
Interdisciplinary Research Centre: eSTEeM
Item ID: 34347
Depositing User: Shahram Taherzadeh
Date Deposited: 14 Sep 2012 08:21
Last Modified: 26 Mar 2014 06:18
URI: http://oro.open.ac.uk/id/eprint/34347
Share this page:

Actions (login may be required)

View Item
Report issue / request change

Policies | Disclaimer

© The Open University   + 44 (0)870 333 4340   general-enquiries@open.ac.uk