In the last three decades, in order to model pollutant dispersion inside a street canyon, several models have been proposed to describe mean concentration and retention time of pollutant inside the canyon, in function of the flow dynamics of the external flow (Berkowicz, 2000, Soulhac, 2000, De Paul and Sheih, 1986, Caton et al., 2003). Some of these models take account just of the mean velocity at the roof height Uh, some other do also consider the turbulence intensity of the incoming flow.
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Salizzoni, P., Grosjean, N., Méjean, P., Perkins, R.J., Soulhac, L., Vanliefferinge, R. (2007). Wind Tunnel Study of the Exchange Between a Street Canyon and the External Flow. In: Borrego, C., Norman, AL. (eds) Air Pollution Modeling and Its Application XVII. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-68854-1_47
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DOI: https://doi.org/10.1007/978-0-387-68854-1_47
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