The impact of traffic-flow patterns on air quality in urban street canyons.-临床诊疗知识库

The impact of traffic-flow patterns on air quality in urban street canyons.

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作者：

Prashant, Thaker；Sharad, Gokhale

来源：

Environmental pollution (Barking, Essex : 1987) 2016 年 208卷 Pt A期

标签：

CFD Public health Street canyon Traffic flow Urban air quality Urban system Vehicle turbulence Wellbeing

We investigated the effect of different urban traffic-flow patterns on pollutant dispersion in different winds in a real asymmetric street canyon. Free-flow traffic causes more turbulence in the canyon facilitating more dispersion and a reduction in pedestrian level concentration. The comparison of with and without a vehicle-induced-turbulence revealed that when winds were perpendicular, the free-flow traffic reduced the concentration by 73

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