A Mathematical model for a single screen barrier in open-plan offices

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DOIResolve DOI: http://doi.org/10.1016/S0003-682X(02)00002-6
AuthorSearch for: ; Search for:
TypeArticle
Journal titleApplied Acoustics
Volume63
IssueAugust 8
Pages849866; # of pages: 18
SubjectOpen-plan offices [cubicles]; Office acoustics
AbstractIn open-plan offices, single screen barriers are widely used to separate individual workplaces as a means of improving acoustical privacy. In this paper, a general model for calculating the insertion loss of a single screen barrier in the presence of a floor and a ceiling is developed using the image source technique. In addition to the acoustical properties of the floor and ceiling, this model also takes the sound absorption of the screen, the sound transmission through the screen and the interference between the sound waves into account. This model is able to separate the contribution of reflected sound and diffracted sound from the total sound pressure level at the receiving point, which can help indicate how best to improve the acoustical design of an open office. The mean differences between the predicted 1/3 octave band insertion loss values behind the screen and the corresponding measured results are within 2 dB.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number44486
14899
NPARC number20386509
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Record identifier5f6927d7-d3ec-4d13-80f4-250c47956400
Record created2012-07-25
Record modified2016-05-09
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