| 建筑物对高架点源大气污染物扩散影响的模拟研究 |
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| 引用本文： | 陈义胜,庞赟佶,李琛,崔小超. 建筑物对高架点源大气污染物扩散影响的模拟研究[J]. 环境工程学报, 2010, 4(1): 147-150 |
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| 作者姓名： | 陈义胜 庞赟佶 李琛 崔小超 |
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| 作者单位： | 内蒙古科技大学能源与环境学院,包头,014010;陕西理工学院化学与环境科学学院,汉中,723001 |
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| 基金项目： | 国家自然科学基金资助项目（50564001） |
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| 摘 要： | 运用数值方法对城市中高架点源排放大气污染物的扩散规律进行了模拟研究,在计算区域内建立了三维数学模型,并将拉格朗日法描述的颗粒轨道模型耦合到风场。本研究计算了地面风速为3 m/s时的大气流场,并模拟研究了该风场条件下气体污染物的扩散和固体颗粒污染物的运动轨迹。通过分析模拟结果,给出了高架点源中排放的气体污染物的扩散区域和固体颗粒污染物运动轨迹的变化规律。
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| 关 键 词： | 大气流场 气体污染物扩散 颗粒运动轨迹 |
| 收稿时间： | 2009-01-07 |
| 修稿时间： | 2009-03-04 |
Simulation study on effects of building on diffusion of air pollutantsfrom high elevation point sources |
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| Chen Yisheng,Pang Yunji,Li Chen and Cui Xiaochao. Simulation study on effects of building on diffusion of air pollutantsfrom high elevation point sources[J]. Techniques and Equipment for Environmental Pollution Control, 2010, 4(1): 147-150 |
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| Authors: | Chen Yisheng Pang Yunji Li Chen Cui Xiaochao |
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| Affiliation: | College of Energy and Environment, Inner Mongolia University of Science & Technology, Baotou 014010,China,College of Energy and Environment, Inner Mongolia University of Science & Technology, Baotou 014010,China,School of Chemistry and Environmental Science,Shaanxi University of Technology, Hanzhong 723001,China and College of Energy and Environment, Inner Mongolia University of Science & Technology, Baotou 014010,China |
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| Abstract: | Diffusion law of air pollutants emitted from high chimney emission sources was simulated by using numerical methods,three-dimensional mathematical model was built in research area.particle trajectory model that lagrangian method described coupled to wind field.In this paper atmospheric flow field was calculated when the surface wind speed was 3 m/s,under the condition of this wind flow,gaseous pollutant diffusion and motion trajectory of particle pollutants were studied.Through analyzing the results of simu... |
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| Keywords: | atmospheric flow field gaseous pollutant diffusion motion trajectory of particle pollutants |
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