Advanced Mathematical Model of Transfer and Diffusion Process of Harmful Substances in the Atmospheric Boundary Layer

Authors

  • Normanmad Ravshanov Centre for the Development of Software and Hardware-Program complexes, Tashkent University of InformationTechnologies, Laboratory Modeling of Complex Systems, Uzbekistan
  • Daler Sharipov Centre for the Development of Software and Hardware-Program complexes, Tashkent University of InformationTechnologies, Laboratory Modeling of Complex Systems, Uzbekistan

DOI:

https://doi.org/10.53555/nncse.v3i3.429

Keywords:

mathematical model, ifferential equations, the terrain, the process of pollution, multicomponent environment, ecology, transfer and diffusion of harmful substances.

Abstract

In the paper, we describe a mathematical model of the spread of harmful substances in the atmospheric boundary layer, taking into account the terrain and the characteristics of the underlying surface, described by means of a system of differential equations in partial derivatives and corresponding initial and boundary conditions. The equations of motion of multicomponent air, equations for calculating the pressure and heat flow for gas and condensate are used in the model. u v w , To determine the velocities of the air mass in the atmosphere in three directions and we consider the hydrodynamic equations of Navier-Stokes, and to compute the density of substances emitted into the atmosphere, taking into account the law of conservation of mass to the fluid flow through the fixed volume we use mass continuity equation. To calculate the heat transfer in a multicomponent environment in the transfer of heat to the gas, and to determine the vapor pressure in terms of temperature, we use the equation ofMendeleev-Clapeyron. The equations are given for describing the transition of water from liquid to gaseous state and vice versa, and when gas, water vapor, liquid water and soot are thrown from the source.

Author Biographies

  • Normanmad Ravshanov, Centre for the Development of Software and Hardware-Program complexes, Tashkent University of InformationTechnologies, Laboratory Modeling of Complex Systems, Uzbekistan

     

  • Daler Sharipov, Centre for the Development of Software and Hardware-Program complexes, Tashkent University of InformationTechnologies, Laboratory Modeling of Complex Systems, Uzbekistan

     

References

Pavel PV Mathematical modeling of non-stationary turbulent diffusion using the finite element method // Materials of III region. Conf. "University science - the North Caucasus region." - Stavropol: NCSTU, 1999.- S. 7

PV Korchagin Building a computational scheme for the transport equation using the method of weighted residuals and the finite element method // All-Russia. scientific. Conf. "Mathematical modeling in scientific research." - Stavropol: SGU, 2000. - P. 55-58

PV Korchagin Modeling joint dissemination reactants // Proceedings of the III Mezhregion. Conf. "Students' Science - the Russian economy." - Stavropol: NCSTU, 2002, pp 4-5

Lisanov MV Pchelnikov A., Sumy SI Dispersion modeling of emissions of hazardous substances in the atmosphere of the Society Ros.him.zhurnal them. DI. Medeleeva t.HLIX 2005, number 4, Article 18-28

Berlyand ME Modern problems of atmospheric diffusion and air pollution. - L .: Gidrometeoizdat, 1975. - 448

Volkov VY, Abbas SB The automated system of support for research dissemination of pollutant emissions in the atmosphere News Tula State University. Engineering Issue number 2/2013

Uliasz M., Stocker R.A., Pielke R.A. Regional modelling of air pollution transport in the south-western USA. (In :) Zannetti P. (ed.), Environmental Modelling Vol. III Comput. Mech. Public. Southampton, 1996. 34 pp

Chernyavskiy S Mathematical model of process of distribution of gas pollutants in the atmosphere under different weather conditions XX International correspondence scientific-practical conference "Engineering - From Theory to Practice" (Novosibirsk, Russia, April 17, 2013). from. 17-22

Smirnov EA Information system for the modeling of air pollution using ArcGIS // Topical Issues Technical Science: Proceedings of the international. scientific. Conf. - Perm, 2011. - P. 27-31

Aloyan AE The dynamics and kinetics of trace gases and aerosols in the atmosphere. - M .: INM RAS, 2002. - 201 p

Downloads

Published

2016-03-31

How to Cite

Ravshanov, N., & Sharipov, D. . (2016). Advanced Mathematical Model of Transfer and Diffusion Process of Harmful Substances in the Atmospheric Boundary Layer. Journal of Advance Research in Computer Science & Engineering (ISSN 2456-3552), 3(3), 09-17. https://doi.org/10.53555/nncse.v3i3.429