The Impact of Vegetation on the Diffusion of Pollutants in Three Way Intersection Streets
The pollution from vehicular emissions at the intersection of streets poses a serious threat to air quality and the health and safety of residents,particularly at three-way intersections,which are commonly encountered in daily life. This study employs the Computational Fluid Dynamics (CFD) open-source platform OpenFOAM to investigate the influ-ence of different opening angles (θ=30°,45°,60°,and 90°) on the dispersion patterns of gas pollutants at three-way in-tersections,considering the presence or absence of trees. The results indicate that trees can effectively deposit pollutants and impede the diffusion of gas pollutants.
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