Abstract
In this paper, pollutant dispersion inside a street canyon is simulated using SLP-2D (street Lagrangian particles). SLP-2D is a Lagrangian particle model developed by Research Center for Energy, Environment and Technology (CIEMAT), and it uses wind flow data provided by FLUENT CFD simulations to compute particle trajectories. The simulations presented are divided into two parts. In the first part Meroney, et al. [1996. Study of line source characteristics for 2-D physical modeling of pollutant dispersion in street canopies. Journal of Wind Engineering and Industrial Aerodynamics 62, 37–56] wind tunnel experiment is analyzed and we find good agreement between computed and experimental results. In the second part, dispersion inside real street canyons from Stockholm (Hornsgatan Street) and Berlin (Frankfurter Alee) is studied. Field data have been provided by street emission ceilings (SEC) team for use in SEC intercomparison model exercise.
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