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http://dx.doi.org/10.5572/KOSAE.2016.32.6.593

Physicochemical Characteristics of Particulate Matter Emissions of Different Vehicles' Fuel Types  

Son, Jihwan (Transportation Pollution Research Center, National Institute of Environmental Research)
Kim, Jounghwa (Transportation Pollution Research Center, National Institute of Environmental Research)
Park, Gyutae (Department of Environmental Science, Hankuk University of Foreign Studies)
Kim, Sunmoon (Transportation Pollution Research Center, National Institute of Environmental Research)
Hong, Heekyoung (Transportation Pollution Research Center, National Institute of Environmental Research)
Moon, Sunhee (Transportation Pollution Research Center, National Institute of Environmental Research)
Park, Taehyun (Department of Environmental Science, Hankuk University of Foreign Studies)
Kang, Seokwon (Department of Environmental Science, Hankuk University of Foreign Studies)
Sung, Kijae (Transportation Pollution Research Center, National Institute of Environmental Research)
Chung, Taekho (Transportation Pollution Research Center, National Institute of Environmental Research)
Kim, Ingu (Transportation Pollution Research Center, National Institute of Environmental Research)
Kim, KyungHoon (Department of Environmental Science, Hankuk University of Foreign Studies)
Yu, Dong-Gil (Department of Environmental Science, Hankuk University of Foreign Studies)
Choi, Kwangho (Department of General Education, Namseoul University)
Kim, Jeong Soo (Transportation Pollution Research Center, National Institute of Environmental Research)
Lee, Taehyoung (Department of Environmental Science, Hankuk University of Foreign Studies)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.32, no.6, 2016 , pp. 593-602 More about this Journal
Abstract
The physicochemical characteristics of particulate matter emissions from various vehicle's fuel types were studied at the facility of Transport Pollution Research Center(TPRC), National Institute of Environmental Research (NIER), Korea. Three different types of fuels such as gasoline, liquefied petroleum gas (LPG) and diesel were tested on the NIER driving mode and the constant speed modes(30, 70, and 110 km/h). Chemical composition of submicron particles from vehicle emissions was measured by the High Resolution Time of Flight Aerosol Mass Spectrometer (HR-ToF-AMS) during running cycles. Organics were dominant chemical species of particulate matter emissions for all three different vehicles' fuel types. Moreover, regardless of fuel types, emission rate of organics and inorganics decreased as the average speed of vehicle increased. The portion of fully oxidized fragment families of $C_xH_yO_z$ accounted for over 98% of organic aerosol(OA) in LPG and diesel vehicles, while the relatively high fraction of $C_xH_y$ in OA was observed in gasoline vehicle.
Keywords
HR-ToF-AMS; Particle oxidation; Particulate matter emission; Organics; Inorganics; LPG; Gasoline; Diesel;
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Times Cited By KSCI : 3  (Citation Analysis)
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