The accuracy of pollutant concentration calculations on the microscale using a modified Lagrangian advanced micro-scale model

被引：1
|
作者：
Brzozowski, Krzysztof [1 ]
Drag, Lukasz [1 ]
Brzozowska, Lucyna [1 ]
机构：
[1] Univ Bielsko Biala, Willowa 2, PL-43300 Bielsko Biala, Poland
来源：
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS | 2023年 / 241卷
关键词：
Pollutant dispersion; Diagnostic wind model; Spatial subdomains; Lagrangian particle model; Idealised built environment; Validation; DISPERSION MODEL; PARTICLE; VALIDATION; FLOW;
D O I：
10.1016/j.jweia.2023.105539
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The influence of data determining the initial wind field in a diagnostic wind model with spatial subdomains on the accuracy of concentrations calculated by Lagrangian Advanced Micro-scale Model was analysed. Calculations were carried out for an idealised built environment. Three input datasets were considered: (I) a single inlet wind profile, (II) a single inlet wind profile with additional parametrisation of wind flow around buildings and (III) full wind tunnel wind data. Results show that: in case (I) it is not possible to properly map the position of the pollutant plume; in case (II) the application of additional parametrisation leads to increased accuracy of the mapping of the position of the pollutant plume, in particular in the close vicinity of the source; in case (III) correct mapping of the shape and location of the plume within the entire area was achieved.
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页数：16
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