Matches in UGent Biblio for { <https://biblio.ugent.be/publication/5697303#aggregation> ?p ?o. }
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- aggregation classification "A1".
- aggregation creator B952975.
- aggregation creator B952976.
- aggregation creator B952977.
- aggregation creator B952978.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2014".
- aggregation format "application/pdf".
- aggregation hasFormat 5697303.bibtex.
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- aggregation isPartOf urn:issn:1610-1928.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "Urban background noise mapping: the multiple-reflection correction term".
- aggregation abstract "Mapping of road traffic noise in 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 most engineering 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, an extension of engineering methods by an attenuation term Acan has been proposed, including multiple reflections of the urban environment both in the source and in the receiver area. The present work has two main contributions for the ease of computing A(can). Firstly, it is shown by numerical calculations that A(can) may be divided into independent source and receiver environment terms, A(s) and A(r). Based on an equivalent free field analogy, the distance dependence of these terms may moreover be expressed analytically. Secondly, an analytical expression is proposed to compute A(s) and A(r) for 3D configurations from using 2D configurations only. The expression includes dependence of the street width-to-height ratio, the difference in building heights and the percentage of facade openings in the horizontal plane. For the expression to be valid, the source should be separated from the receiver environment by at least four times the street width.".
- aggregation authorList BK1344825.
- aggregation endPage "305".
- aggregation issue "2".
- aggregation startPage "293".
- aggregation volume "100".
- aggregation aggregates 5697312.
- aggregation aggregates 5697313.
- aggregation isDescribedBy 5697303.
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