NDLI: Experimental investigation and comparison of nanoparticle emission characteristics in light-duty vehicles for two different fuels

Content Provider	Springer Nature Link
Author	Lee, J. W. Jeong, Y. I. Jung, M. W. Cha, K. O. Kwon, S. I. Kim, J. C. Park, S.
Copyright Year	2008
Abstract	In recent years, particle number emissions rather than particulate mass emissions in automotive engines have become the subject with controversial discussions. Recent results from studies of health effects imply that it is possible that particulate mass does not properly correlate with the variety of health effects attributed to engine exhaust. The concern is now focusing on nano-sized particles emitted from I. C. engines. In this study, particulate mass and particle number concentration emitted from light-duty vehicles were investigated for a better understanding of the characteristics of the engine PM from different types of fuels, such as gasoline and diesel fuel. Engine nano-particle mass and size distributions of four test vehicles were measured by a condensation particle counter system, which is recommended by the particle measurement program in Europe (PMP), at the end of a dilution tunnel along a NEDC test mode on a chassis dynamometer. We found that particle number concentrations of diesel passenger vehicles with DPF system are lower than gasoline passenger vehicles, but PM mass has some similar values. However, in diesel vehicles with DPF system, PM mass and particle number concentrations were greatly influenced by PM regeneration. Particle emissions in light-duty vehicles emitted about 90% at the ECE15 cycle in NEDC test mode, regardless of vehicle fuel type. Particle emissions at the early cold condition of engine were highly emitted in the test mode.
Starting Page	397
Ending Page	403
Page Count	7
File Format	PDF
ISSN	12299138
Journal	International Journal of Automotive Technology
Volume Number	9
Issue Number	4
e-ISSN	19763832
Language	English
Publisher	The Korean Society of Automotive Engineers
Publisher Date	2008-08-01
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PM (particulate matters) Particle number Nano-particle Diesel fuel Gasoline fuel Light-duty vehicle DPF (diesel particulate filter-trap) NEDC (new European driving cycle) test mode Automotive and Aerospace Engineering, Traffic
Content Type	Text
Resource Type	Article
Subject	Automotive Engineering

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