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题目：Research on CO dispersion of a vehicular exhaust plume using Lattice Boltzmann Method and Large Eddy Simulation 名字：Yuzhuo Men 单位：School of Mechatronics Engineering, Changchun Institute of Technology, Changchun, China |
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Research on CO dispersion of a vehicular exhaust plume using Lattice Boltzmann Method and Large Eddy Simulation 作者:Men, YZ (Men, Yuzhuo)[ 1,2 ] ; Lai, YY (Lai, Yuyang)[ 3 ] ; Dong, SZ (Dong, Suzhen)[ 3 ] ; Du, X (Du, Xin)[ 3 ] ; Liu, YH (Liu, Yihan)[ 3 ] TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 卷: 52 页: 202-214 子辑: A DOI: 10.1016/j.trd.2017.03.012 出版年: MAY 2017 查看期刊影响 TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT 出版商 PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND ISSN: 1361-9209 研究领域 Environmental Sciences & Ecology Transportation 摘要 The exhaust gas dispersion from the vehicles has a direct impact on human health, particularly on vehicle drivers, passengers, and people nearby. Because of the numerical implementation simplicity and well captured solution for fluid dynamics around multiple bodies, Lattice Boltzmann Method (LBM) has been adopted in lots of domains during the last two decades. This paper combines LBM together with Large Eddy Simulation (LES) turbulence model to study exhaust gas emission and dispersion characteristics. Carbon monoxide (CO) relative concentration and velocity distribution from a vehicular exhaust plume in the near-wake region is investigated for low and high idling driving conditions under different ambient wind speeds. Validation has been made to test the performance of gas simulation of the LBM-LES method in XFlow, after which 3D simulation of exhaust gas dispersion is considered, and the time-averaged CO relative concentration and velocity are analyzed. Results indicate that flow wake by ambient wind can affect the dispersion of exhaust gas. The exhaust gas moves downstream and spread to a wider range under higher ambient wind speed. While, the flow field becomes complicated due to the interflow effect when the wind speed and exhaust gas velocity are close, which enhances the dispersion characteristics of exhaust gas to a certain extent. (C) 2017 Elsevier Ltd. All rights reserved. 关键词 作者关键词:Exhaust gas dispersion; Relative concentration; LBM; LES; Pollutant; Vehicle KeyWords Plus:NEAR-WAKE REGION; POLLUTANT DISPERSION; FLOW STRUCTURES; GAS DISPERSION; ROAD VEHICLES; WIND-TUNNEL; AUTOMATA; EQUATION; MODEL 作者信息 通讯作者地址: Liu, YH (通讯作者) SOYOTEC Ltd, Beijing, Peoples R China. 地址: [ 1 ] Changchun Inst Technol, Sch Mechatron Engn, Changchun, Peoples R China [ 2 ] Jilin Univ, Coll Biol & Agr Engn, Changchun, Peoples R China 增强组织信息的名称 Jilin University [ 3 ] SOYOTEC Ltd, Beijing, Peoples R China 电子邮件地址:yann.liu@soyotec.net 基金资助致谢 基金资助机构 授权号 National Natural Science Foundation of China 51378075 51678065 查看基金资助信息关闭基金资助信息 This research was supported by the funds provided by National Natural Science Foundation of China (51378075, 51678065). 出版商 PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND 类别 / 分类 研究方向:Environmental Sciences & Ecology; Transportation Web of Science 类别:Environmental Studies; Transportation; Transportation Science & Technology 文献信息 文献类型:Article 语种:English 入藏号: WOS:000401398400015 ISSN: 1361-9209 其他信息 IDS 号: EU9ZO Web of Science 核心合集中的 "引用的参考文献": 20 Web of Science 核心合集中的 "被引频次": 0 JCR® 类别 JCR 分区 ENVIRONMENTAL STUDIES Q2 TRANSPORTATION Q2 TRANSPORTATION SCIENCE & TECHNOLOGY Q2 数据来自第 2016 版 Journal Citation Reports |
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