Please use this identifier to cite or link to this item:
https://essuir.sumdu.edu.ua/handle/123456789/98634
Or use following links to share this resource in social networks:
Tweet
Recommend this item
Title | Development of the Turbulent Diffusion Model of Fine Suspended Substances in the Lower Atmosphere Layer |
Authors |
Kozii, Ivan Serhiiovych
![]() Pliatsuk, Leonid Dmytrovych ![]() Zhylenko, Tetiana Ivanivna ![]() Hurets, Larysa Leonidivna ![]() Bataltsev, Yevhen Volodymyrovych ![]() Sayenkov, D. |
ORCID |
http://orcid.org/0000-0003-0402-6876 http://orcid.org/0000-0003-0095-5846 http://orcid.org/0000-0002-9717-3033 http://orcid.org/0000-0002-2318-4223 http://orcid.org/0000-0003-2035-2014 |
Keywords |
atmospheric pollution fine substances surface layer numerical model air turbulence |
Type | Article |
Date of Issue | 2022 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/98634 |
Publisher | Kaunas University of Technology |
License | Creative Commons Attribution 4.0 International License |
Citation | Development of the Turbulent Diffusion Model of Fine Suspended Substances in the Lower Atmosphere Layer / S. I. Kozii Kozii // Materials science (Medžiagotyra). 2022. Vol. 28, No. 4. P. 529-535. DOI: https://doi.org/10.5755/j02.ms.30223. |
Abstract |
A promising direction for solving the problem of air pollution by fine substances is the use of numerical modeling in the development of mathematical models of the transport of pollutants in the atmosphere. An urgent problem in applying mathematical models with numerical algorithms and software is constructing a qualitative model that would meet both the physical parameters and fulfill all the optimal conditions of numerical analysis. The main objective of this study was to develop an algorithm of a mathematical model based on the equation of distribution of impurities in a turbulent medium. That allows considering the simultaneous influence of wind speed, turbulence of atmospheric air, pollution parameters, direction, and wind force on the size of scattering zones. The unique feature of the study is the use of the coordinate splitting equation of impurities distribution in a turbulent environment with subsequent normalization and parameterization of conditions. Finding integrands functions in the calculation algorithm allows obtaining a stable computational algorithm of the proposed propagation model of fine suspended particles. The solution of the function implemented in the Mathcad Prime 7 software. Distributions of concentrations and their levels for various values of turbulence of atmospheric air and dangerous wind speed are received. The most significant number of fine particles is at a distance of up to 4 km from the emission source. Still, there is also the transfer of contaminants at more than 5 km (up to 57 % of the initial emission concentration). The model has convenient software and algorithmic software, the time of calculation of graphic visualizations up to 20 minutes on medium-power computers. The obtained mathematical model can use in systems of forecasting man-caused load on the environment for the prompt solution of environmental problems. |
Appears in Collections: |
Наукові видання (ТеСЕТ) |
Views

1
Downloads
Files
File | Size | Format | Downloads |
---|---|---|---|
Kozii_numerical_model.pdf | 406.87 kB | Adobe PDF | 0 |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.