SIMULATION OF ATMOSPHERIC TRANSPORT OF POLLUTANTS FROM MICRO- TO CITY-SCALE USING CFD MODEL AND UNSTRUCTURED GRIDS

被引：0
|
作者：
Khalchenkov, Alexander [1 ,2 ]
Kovalets, Ivan, V [1 ]
机构：
[1] NAS Ukraine, Inst Math Machines & Syst Problems, Prosp Glushkova 42, UA-03187 Kiev, Ukraine
[2] Ukrainian Ctr Environm & Water Projects, Prosp Glushkova 42, UA-03187 Kiev, Ukraine
来源：
JOURNAL OF THEORETICAL AND APPLIED MECHANICS-BULGARIA | 2022年 / 52卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
OpenFoam; unstructured grids; atmospheric transport; urban; pollution; MUST experiment; WIND;
D O I：
10.55787/jtams.22.52.3.232
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The OpenFoam CFD code was adapted to simulate atmospheric transport of pollutants. By performing calculations on unstructured grids and using the modifications of turbulence parameterizations to account for the influence of Earth's rotation on PBL structure, the presented model can take into account the influence of urban obstructions and complex topography on atmospheric dispersion from a city to street-scale. The normalized mean squared error of simulated results for the conditions of the known MUST experiment was comparable with the results of other models (NMSE approximate to 0.6). The value of turbulent Schmidt number in this experiment was estimated to be Sc approximate to 0.4. The example of model application for the assessment of atmospheric pollution created by the industrial site of uranium production was presented.
引用
收藏
页码：232 / 247
页数：16
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