On the improved point-to-point calculations for noise mapping in shielded urban areas

M.C.J. Hornikx, J. Forssén, M. Ögren, D. Botteldooren, T. Van Renterghem, W. Wei, E. Salomons

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademic

Samenvatting

Noise mapping of urban areas according to standardized engineering calculation methods systematically results in an underestimation of noise levels at areas shielded from direct exposure to noise, such as inner yards. In these methods, road traffic lanes are represented by point sources and noise levels are computed utilizing point-to-point propagation paths. For a better prediction of noise levels in shielded urban areas, the attenuation terms describing these propagation paths are extended by terms including geometrical aspects of the urban environment both in the source and in the receiver area. In the present work, it has been studied to what extent these terms may be treated as being independent of the source-receiver distance. Also, the validity of treating the propagation path in a 2D plane rather than in 3D is investigated. Results obtained from a wave-based acoustic propagation model have been used for this assessment.
Originele taal-2Engels
TitelProceedings of the 41st International Congress and Exposition on Noise Control Engineering (InterNoise 2012), 19-22 August 2012, New York City, NY, USA
Pagina's2449-2460
StatusGepubliceerd - 2012
Evenement41st International Congress on Noise Control Engineering (Inter-noise 2012) - New York, Verenigde Staten van Amerika
Duur: 19 aug. 201222 aug. 2012
Congresnummer: 41

Congres

Congres41st International Congress on Noise Control Engineering (Inter-noise 2012)
Verkorte titelInterNoise 2012
Land/RegioVerenigde Staten van Amerika
StadNew York
Periode19/08/1222/08/12
AnderInterNoise 2012

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