This work proposes an expanded 3D Euler model for calculating the spatiotemporal evolution of pollutant concentrations released into the atmosphere under changing meteorological conditions. The model, alongside the advection-diffusion equation, combines in a single system: Stokes’ law deposition (for solid particles), temperature-dependent chemical decomposition according to Arrhenius’ law, retention by plants (passive sink), precipitation washout (rainout), terrain-dependent resistance, and parameterization of turbulent diffusion based on Pasquill-Gifford stability classes. The numerical solution employs upwind/QUICK convective fluxes, central difference diffusion, and a time step stabilized by the CFL criterion. Scenarios covering various wind directions and speeds demonstrate the role of terrain in flow direction and atmospheric-related dispersion characteristics. The model is mass-balanced.
| Mualliflar | Ravshanov, N., Juraboeva, O., Boborakhimov, B., Sharipov, Kh., Равшанов, Н., Журабоева, О., Боборахимов, Б., Шарипов, Х. |
|---|---|
| Jurnal | Ҳисоблаш ва амалий математика муаммолари |
| Nashriyot | Тошкент ахборот технологиялари университети қошидаги, Ахборот-коммуникация технологиялари илмий-инновацион, маркази |
| ISSN | 2181-8460, 2181-046X |
| Nashr sanasi | 2025-09-20 |
| Son | 4 |
| Betlar | 38-46 |
| Til | Ingliz |
| DOI | 10.71310/pcam.4_68.2025.01 |
| Indeksga qo‘shilgan | 2026-08-27 |
DOI: 10.71310/pcam.4_68.2025.01 · Maqolaning asl sahifasi
advection-diffusion, Pasquill-Gifford, Monin-Obukhov length, wet deposition, sedimentation (Stokes), vegetation sinks, terrain, Upwind/QUICK, CFL, адвекция-диффузия, Паскуилл-Гиффорд, длина Монина-Обухова, влажная эрозия, оседание (Стокс), растительные стоки, рельеф, Upwind/QUICK, CFL
| APA | Ravshanov, N., Juraboeva, O., Boborakhimov, B., Sharipov, Kh., Равшанов, Н., Журабоева, О., Боборахимов, Б., & Шарипов, Х. (2025). Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions. Ҳисоблаш ва амалий математика муаммолари, (4), 38-46. https://doi.org/10.71310/pcam.4_68.2025.01 |
|---|---|
| GOST (OAK) | Ravshanov, N. va b. Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions // Ҳисоблаш ва амалий математика муаммолари. – 2025. – № 4. – P. 38-46. – DOI: 10.71310/pcam.4_68.2025.01. |
| MLA | Ravshanov, N., Juraboeva, O., Boborakhimov, B., Sharipov, Kh., Равшанов, Н., Журабоева, О., Боборахимов, Б., and Шарипов, Х. “Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions.” Ҳисоблаш ва амалий математика муаммолари, (4), 38-46, 2025. https://doi.org/10.71310/pcam.4_68.2025.01 |
| Chicago | Ravshanov, N., Juraboeva, O., Boborakhimov, B., Sharipov, Kh., Равшанов, Н., Журабоева, О., Боборахимов, Б., and Шарипов, Х. “Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions.” Ҳисоблаш ва амалий математика муаммолари, (4), 38-46 (2025). https://doi.org/10.71310/pcam.4_68.2025.01 |
| Harvard | Ravshanov, N., Juraboeva, O., Boborakhimov, B., Sharipov, Kh., Равшанов, Н., Журабоева, О., Боборахимов, Б., and Шарипов, Х (2025) ‘Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions’, Ҳисоблаш ва амалий математика муаммолари, (4), 38-46. https://doi.org/10.71310/pcam.4_68.2025.01 |
| BibTeX | @article{ravshanovn2025,
title = {Modeling the Dispersion of Pollutants in the Atmosphere, Accounting for Terrain and Meteorological Conditions},
author = {Ravshanov, N. and Juraboeva, O. and Boborakhimov, B. and Sharipov, Kh. and Равшанов, Н. and Журабоева, О. and Боборахимов, Б. and Шарипов, Х.},
journal = {Ҳисоблаш ва амалий математика муаммолари},
year = {2025},
number = {4},
pages = {38-46},
doi = {10.71310/pcam.4_68.2025.01},
url = {https://doi.org/10.71310/pcam.4_68.2025.01}
} |
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