The study is focused on developing and testing a 2-D microscale mathematical model and a numerical method for the analysis of turbulent flow and passive gaseous admixture transfer in street canyons. The model was tested by modeling laminar flow in the initial section of a 2-D channel and eddy flow in a channel with sudden expansion. After verification the model was used to study the flow structure in the street canyon depending on the ratio between channel width and building height.
A numerical microscale model of aerodynamics and the transport of pollution was developed. The model takes into account the nonhomogeneity of elements of the urban boundary layer. The numerical solution of the differential problem is based on the finite volume method. On the basis of experiments, a comparison of three different turbulent closure schemes and parameterizations of the urban vegetation was conducted. Turbulent air dynamics and the transport of pollution were modeled around an array of buildings.
Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights.