气相和微颗粒污染物在城市环境中的传输扩散

谢正桐; 廖俊豪; 蔡晓鸣

doi:10.6052/1000-0992-15-008

气相和微颗粒污染物在城市环境中的传输扩散

doi: 10.6052/1000-0992-15-008

1 Faculty of Engineering and the Environment, University of Southampton, UK
2 Department of Mechanical Engineering, University of Hong Kong, HK, China
3 School of Geography, Earth and Environmental Sciences, University of Birmingham, UK

详细信息

中图分类号: O355
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出版历程
- 收稿日期: 2015-02-03
- 修回日期: 2015-07-15
- 刊出日期: 2015-08-30

Modelling gas and PM pollutant dispersion in urban environments

1 Faculty of Engineering and the Environment, University of Southampton, UK
2 Department of Mechanical Engineering, University of Hong Kong, HK, China
3 School of Geography, Earth and Environmental Sciences, University of Birmingham, UK

摘要

摘要: 城市大气边界层中污染物传输扩散, 包括气相和微颗粒(PM), 是一个日益关注的问题. 本文结合笔者及合著者近些年来的工作, 试图综述在这方面研究的最新进展. 主要包括: 天气尺度(meso-scale) 和街道尺度耦合的大涡模拟, 温度稳定性层结效应, 高层建筑的影响, 在极端天气下的污染物浓度极值的预报, 化学反应和湍流的耦合计算和气溶胶动力学过程. 本文侧重于介绍英国和欧洲的数值模型研究的进展情况.
- 天气尺度 /
- 温度稳定性 /
- 极端天气 /
- 污染浓度极值 /
- 街道峡谷模型 /
- 化学反应 /
- 耦合计算
Abstract: Dispersion of gas and particulate matter (PM) pollutant in urban environments is a rising concern. Physical and numerical modelling is extremely challenging due to a number of parameters involved including the turbulence nature and complex physical and/or chemical processes. The paper attempts to review the latest advances on this topic. The major contents are: using generic geometry models to understand the mechanism, coupling meso-scale (weather scale) and micro-scale (street scale) lareg-eddy simulations, effects of thermal stratification, effects of tall buildings, modelling extreme pollutant concentration in extreme conditions and coupling chemistry with turbulence. This paper focuses more on the progress of the numerical model study in the UK and Europe.
- weather scale /
- thermal stratification /
- extreme weather /
- extreme pollutant concentration /
- street canyon model /
- chemical processes /
- coupling

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