Convective Мodel of Еmission Distribution on the Road Overpass Under Neutral Weather Conditions
Journal Title: Вентиляція, освітлення та теплогазопостачання - Year 2018, Vol 27, Issue
Abstract
An analysis of the degree of atmospheric air pollution in urban areas showed its dependence on a growing number of personal vehicles operating on traditional fuels. This work proves the possibility of applying the theory of a convective jet for estimating and forecasting atmospheric air pollution in megacities, depending on weather conditions and the number of cars that are simultaneously in traffic jams in a car overpass. We use the integral Euler method to calculate the parameters of a convective jet. The conditions for the appearance of neutral ways are determined and based on the considered main ways of distribution of emissions in the atmosphere. The method for calculating the amount of hydrocarbon emissions from road transport was used to determine the secondary pollution by formaldehyde of atmospheric air into the territories of megalopolises as a result of photochemical transformations. The presented studies allow to single out the share of greenhouse gas emissions from road transport in the context of total emissions in a megacity. A method for calculation of concentrations of pollution from motor vehicles based on this model has been developed. This method allows the use of specially synthesized external influences with the subsequent processing of the results of observations and subsequent analysis of the consequences. The effectiveness of the proposed mathematical model can be increased in combination with the use of "green structures". This method is suitable for finding optimal management decisions at the municipal level and the formation of the environmental policy of the city
Authors and Affiliations
O. Voloshkіna, V. Тrоfymоvych, I. Klimova, R. Sipakov, T. Tkachenko
Keywords
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