Transportation characteristics of motor vehicle pollutants near Beijing typical expressway

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• 作者：YanLong Li ; DaiChao Zhang ; XinMing Jin ; LiJun Yang…
• 关键词：particular matter ; gas pollutant ; concentration distribution ; transportation characteristics
• 刊名：SCIENCE CHINA Technological Sciences
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：59
• 期：3
• 页码：468-475
• 全文大小：1,323 KB
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• 作者单位：YanLong Li (1)
  DaiChao Zhang (1)
  XinMing Jin (1)
  LiJun Yang (1)
  XiaoZe Du (1)
  YongPing Yang (1)
  
  1. Key Laboratory of Condition Monitoring and Control for Power Plant Equipments of Ministry of Education, School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing, 102206, China
  
• 刊物类别：Engineering
• 刊物主题：Chinese Library of Science
  Engineering, general
  
• 出版者：Science China Press, co-published with Springer
• ISSN：1869-1900

文摘

As a major source of air pollution in urban areas, the motor vehicle exhaust has attracted more and more attention due to its growing amount and serious harm to human health. It is of benefit to the pollutant control to make clear the transportation characteristics of vehicle exhausts. In this paper, the transportation characteristics of vehicle exhaust pollutants are investigated by means of the on-site measurement based on a typical Beijing expressway-Badaling expressway (G6 state expressway). The concentrations of CO, NO _x , SO₂ and particles near the expressway were obtained, by which the variations of the particle number and mass concentrations, as well as the gas pollutant volume concentrations in the vicinity of the roadways with the distance from the expressway were fitted. The results show that the gas pollutant concentrations and particle concentrations decrease almost exponentially with the distance from the expressway, which is helpful for the air pollutant database establishment and future pollution control in big cities.