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1 Autobusy : technika, eksploatacja, systemy transportowe

1 2010

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Time-dependent problem for determination of exhaust concentration in urban transport system

Grashin S., Rimshans J. S., Kopytov A. E., Guseynov S. E., Schiptsov O. V.

Autobusy : technika, eksploatacja, systemy transportowe

2010

R. 11, nr 6

The paper proposes the 3-D mathematical model for analytic determination of exhaust concentration dynamics in the city regions under a priori information on airflow velocity. In this model it is provided that the turbulent and molecular diffusion coefficient changes depending on the vertical remoteness above the ground surface. The numerical example of problem solving is presented. The created model can be used for solutions of operative problems on urban traffic organization, of long-term planning of urban agglomeration development and new highway building.