Print Email Facebook Twitter Assessing the influence of street canyon shape on aircraft noise Title Assessing the influence of street canyon shape on aircraft noise: Results from measurements in courtyards near Amsterdam Schiphol Airport Author Lugten, Martijn (TU Delft Environmental Technology and Design; Amsterdam Institute for Advanced Metropolitan Solutions (AMS)) Wuite, F.G.E. (TU Delft Environmental & Climate Design; Amsterdam Institute for Advanced Metropolitan Solutions (AMS)) Peng, Zhikai (TU Delft Environmental & Climate Design; Amsterdam Institute for Advanced Metropolitan Solutions (AMS)) Tenpierik, M.J. (TU Delft Environmental & Climate Design) Date 2024 Abstract Aircraft noise is a major stressor for communities in the vicinity of airports. Aircraft noise prediction models omit the built environment, based on an implicit assumption that the impact of buildings on the propagation of aircraft noise is neglectable. In this article a study is presented in which aircraft noise levels were measured near walls facing towards and away from aircraft flyovers in an urban test environment near Amsterdam Schiphol Airport. The test environment comprises three adjacent courtyards, each enclosed by stacked shipping containers. To examine the influence of street geometry on aircraft noise, specifically for slanted roofs and building insets, the shipping containers were stacked in a different pattern around each courtyard. In total, sound levels for 2383 aircraft flyovers were analysed across five months at ten microphone positions within the courtyards, for both arrivals and departures. Depending on the geometry of the courtyards, mean differences (LA,max) between facades with- and without a line of sight towards the aircraft ranged between −1,3dBA and 5,0dBA for arrivals, and 8,7dBA and 13,6dBA for departures. SEL values ranged between between −0,8dBA and 4,3dBA for arrivals, and 8,1dBA and 11,6dBA for departures. The results suggest that slanted roofs perpendicular to the flight direction deflect incident sound, substantially reducing the sounds levels inside courtyards. Contrarily, building insets at building sides facing away from the flight paths did not reduce sound levels underneath the overhangs significantly. The findings stress the importance of architectural and urban design to mitigate aircraft noise. To reference this document use: http://resolver.tudelft.nl/uuid:c1a3d267-c635-455f-9f1a-cbcab658e97c DOI https://doi.org/10.1016/j.buildenv.2024.111400 Embargo date 2024-09-16 ISSN 0360-1323 Source Building and Environment, 255 Bibliographical note Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. Part of collection Institutional Repository Document type journal article Rights © 2024 Martijn Lugten, F.G.E. Wuite, Zhikai Peng, M.J. Tenpierik Files file embargo until 2024-09-16