publication . Article . 2002

A wind tunnel study of organised and turbulent air motions in urban street canyons

Petra Kastner-Klein; Evgeni Fedorovich; Mathias W. Rotach;
Open Access
  • Published: 25 Jul 2002 Journal: Journal of Wind Engineering and Industrial Aerodynamics, volume 89, pages 849-861 (issn: 0167-6105, Copyright policy)
  • Publisher: Elsevier BV
High concentrations of car-exhaust gases in urban street canyons are typically associated with low wind velocities or situations when the wind blows perpendicular to the canyon axis. The latter flow configuration has been studied in a wind tunnel model of a street canyon. The mean flow and turbulence structure have both been investigated and comparisons have been carried out with results of full-scale flow measurements in urban street canyons. A qualitative similarity has been found between the results of atmospheric measurements and flow characteristics in the modelled street canyon. Data from all employed sources give evidence of a flow acceleration (in some c...
Persistent Identifiers
free text keywords: Mean flow, Wind tunnel, Airflow, Turbulence, Geology, Atmospheric measurements, Meteorology, Roof, Flow (psychology), Canyon, geography.geographical_feature_category, geography
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