| 街道峡谷机动车尾气污染扩散模拟与影响因子分析研究 |
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| 引用本文： | 朱国成,方明建,郑旭煦,殷钟意.街道峡谷机动车尾气污染扩散模拟与影响因子分析研究[J].环境污染与防治,2009,31(3). |
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| 作者姓名： | 朱国成 方明建 郑旭煦 殷钟意 |
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| 作者单位： | 重庆工商大学环境与生物工程学院,重庆,400067 |
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| 基金项目： | 重庆市教委科学技术研究项目 |
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| 摘 要： | 为预测和分析街道峡谷污染物浓度,研究了街道峡谷污染物浓度影响因子.利用重庆市交通干线街道峡谷两侧NOx浓度的监测数据,验证了街道峡谷机动车尾气污染扩散模型--OSPM模型.风速转换系数修正后的OSPM模型的模拟值与实测值的R达0.862 58;风场因子验证了风速转换系数修正后的OSPM模型能较好地模拟重庆市街道峡谷的污染物浓度,一定程度上能满足环境空气质量评价要求.同时,通过分析OSPM模型的影响因子,提出了控制街道峡谷机动车尾气污染状况的建议.
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| 关 键 词： | 街道峡谷 机动车尾气 扩散模拟 |
Simulation of vehicle pollutants dispersion and its influencing factors in urban street canyon |
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| Zhu Guocheng,Fang Mingjian,Zheng Xuxu,Yin Zhongyi.Simulation of vehicle pollutants dispersion and its influencing factors in urban street canyon[J].Environmental Pollution & Control,2009,31(3). |
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| Authors: | Zhu Guocheng Fang Mingjian Zheng Xuxu Yin Zhongyi |
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| Institution: | College of Environment and Bioengineering;Chongqing Technology and Business University;Chongqing 400067 |
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| Abstract: | OSPM(Operation Street Pollution Model)is a mathematical simulation of vehicle pollutants dispersion in urban street canyon.The model can calculate diffuse concentration from vehicle exhaust and predict air quality.Monitoring data of NOX concentration of street canyon along the main road in Chongqing was used in this paper to evaluate OSPM.The linear correlation coefficient between the simulation values and the expected values was 0.775 95.After the modification of the conversion factor of wind speed,the mod... |
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| Keywords: | OSPM |
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