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Transportation characteristics of motor vehicle pollutants near Beijing typical expressway

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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,NOx,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.

particular mattergas pollutantconcentration distributiontransportation characteristics

LI YanLong、ZHANG DaiChao、JIN XinMing、YANG LiJun、DU XiaoZe、YANG YongPing

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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

This work was supported by the National Natural Science Foundation of ChinaNational Basic Research Program of China ("973" Project)

514760552015CB251503

2016

10.1007/s11431-015-5997-7

中国科学:技术科学(英文版)
中国科学院

中国科学:技术科学(英文版)

CSCDSCIEI
影响因子：1.056
ISSN：1674-7321
年,卷(期)：2016.59(3)
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