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Sound propagation in cities

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Author: Salomons, E. · Polinder, H. · Lohman, W. · Zhou, H. · Borst, H.
Institution: TNO Bouw en Ondergrond
Source:8th European Conference on Noise Control 2009, EURONOISE 2009, 26 October 2009 through 28 October 2009, Edinburgh, PART 3, 31, 1-10
8th European Conference on Noise Control 2009, EURONOISE 2009 - Proceedings of the Institute of Acoustics
Identifier: 463768
ISBN: 9781615676804
Keywords: Environment · Amsterdam · Current models · Engineering models · Multiple diffraction · Multiple reflections · Noise annoyance · Noise exposure · Numerical and experimental study · Sound level · Sound propagation · Street canyon · Traffic noise · Urban traffic noise · Acoustic variables control · Acoustic wave propagation · Computer integrated manufacturing · Noise pollution · Acoustic noise · Urban Development · Built Environment


A new engineering model for sound propagation in cities is presented. The model is based on numerical and experimental studies of sound propagation between street canyons. Multiple reflections in the source canyon and the receiver canyon are taken into account in an efficient way, while weak reflections by distant buildings involving multiple diffraction are neglected. An application of the new model to traffic noise in the city of Amsterdam is presented. Distributions of noise exposure of inhabitants are presented. The influence of quiet sides of dwellings on noise annoyance is discussed. While current models for urban traffic noise tend to underestimate sound levels at quiet sides, the new model is expected to provide more accurate levels at quiet sides.