Analysis of numerical factors affecting large eddy simulation of pollutant diffusion around buildings

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成果类型：

期刊论文

作者：

Sun, Shiyan;Wang, Hanqing;Zhang, William(Wei)

通讯作者：

William(Wei) Zhang

作者机构：

[Sun, Shiyan; Wang, Hanqing] Univ South China, Sch Civil Engn, Hengyang, Peoples R China.

[Sun, Shiyan; Wang, Hanqing] Univ South China, Hunan Prov Key Engn Lab Bldg Control Technol, Hengyang, Peoples R China.

[Sun, Shiyan; Zhang, William(Wei)] Univ South China, YangTze Delta Zhuji Res Inst, Zhuji, Zhejiang, Peoples R China.

[Zhang, William(Wei)] China Ind Dev Res Inst CIDRI, Ctr Sustainable Dev CSD, Shanghai, Peoples R China.

[Zhang, William(Wei)] HangZhou Long Beach Technol Ltd Co, Hangzhou, Zhejiang, Peoples R China.

通讯机构：

[William(Wei) Zhang] Y

YangTze Delta (Zhuji) Research Institute of University of South China, Zhuji, Zhejiang, PR China<&wdkj&>Center for Sustainable Development(CSD), China Industrial Development Research Institute (CIDRI), Shanghai, PR China<&wdkj&>HangZhou Long Beach Technology Ltd. Co, Binjiang, Hangzhou, Zhejiang, PR China

语种：

英文

关键词：

Large-eddy simulation;Pollutant diffusion;Grid resolution;Sub-grid scale (SGS) WALE model coefficient;(Cw);SGS Schmidt number(ScSGS)

期刊：

Journal of Wind Engineering and Industrial Aerodynamics

ISSN：

0167-6105

年：

2023

卷：

232

页码：

105244

DOI：

10.1016/j.jweia.2022.105244

基金类别：

CRediT authorship contribution statement Shiyan Sun: Software, Validation, Visualization, Writing – original draft. Hanqing Wang: acquisition, Project administration, Resources. William(Wei) Zhang: Conceptualization, Investigation, Methodology, Writing – review & editing, The roles of this article for the authors from the following.

机构署名：

本校为第一机构

院系归属：

土木工程学院

摘要：

In recent years, Large Eddy Simulation (LES) has been often used for predicting the pollutant diffusion around buildings. However, due to the numerical discretization error and the sub-grid scale modeling error, some empirical factors related to LES have not yet formed with completion for the best practice. This study focused on LES simulation of the airflow and pollutant diffusion around building with a synthetic inflow turbulence method and Wall-Adapting Local Eddy-Viscosity (WALE) model, discuss LES empirical factors, such as effects of grid resolution, sub-grid scale (SGS) WALE model with ...

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Analysis of numerical factors affecting large eddy simulation of pollutant diffusion around buildings

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