Noise barrier with acoustical cavity structure

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

A noise barrier proposed in this paper which is based on the working principle of resonance in cavity and coupled with the edge effect of noise barrier. This barrier can provide significant noise attenuation for low frequency noise. The geometry of barrier is a kind of hollow round top edge barrier with slit on its edge and a cavity is then formed inside the top edge of barrier. Numerical simulation by Finite Element Modeling Method is done to predict the performance of barrier. Experiments with scale down model are carried out to compute the performance of barrier. The results show that this resonator barrier provides a high insertion loss on a specific range of low frequency noise in shadow zone.
Original languageEnglish
Title of host publication42nd International Congress and Exposition on Noise Control Engineering 2013, INTER-NOISE 2013
Subtitle of host publicationNoise Control for Quality of Life
PublisherOAL-Osterreichischer Arbeitsring fur Larmbekampfung
Pages2640-2645
Number of pages6
Volume3
ISBN (Print)9781632662675
Publication statusPublished - 1 Jan 2013
Event42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013 - Innsbruck, Austria
Duration: 15 Sep 201318 Sep 2013

Conference

Conference42nd International Congress and Exposition on Noise Control Engineering 2013: Noise Control for Quality of Life, INTER-NOISE 2013
CountryAustria
CityInnsbruck
Period15/09/1318/09/13

Keywords

  • Noise barrier
  • Resonator

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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