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Document ID (ISN)57093
CIS number 91-2016
ISSN - Serial title 0736-2501 - Noise Control Engineering Journal
Year 1989
Convention or series no.
Author(s) Hodgson M.
Title Case history: Factory noise prediction using ray tracing - Experimental validation and the effectiveness of noise control measures
Bibliographic information Nov.-Dec. 1989, Vol.33, No.3, p.97-104. Illus. 9 ref.
Abstract In order to evaluate the accuracy of a ray-tracing model, comparisons were made between predicted and measured sound pressure levels for a machine shop with 9 sources in operation. The shop was modelled using the known geometry, source and receiver positions, air absorption coefficients, and the measured source sound power levels. Surface absorption coefficients were chosen on the basis of reverberation time measurements in similar factories when empty. The ray-tracing model proved to give excellent prediction accuracy. The usefulness and flexibility of the ray-tracing approach are demonstrated by predicting the effectiveness of possible noise control measures comprising acoustic screens and suspended absorption.
Descriptors (primary) noise level; manufacturing industries
Descriptors (secondary) sound propagation; evaluation of technique; prediction; noise charts; mathematical models; evaluation of control measures
Document type D - Periodical articles
Country / State or ProvinceCanada
Subject(s) Noise, hearing and vibration
Broad subject area(s) Physical hazards
Browse category(ies) Noise