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MEASUREMENT OF SIZE DISTRIBUTION OF DIESEL PARTICLES: EFFECTS OF INSTRUMENTS, DILUTION METHODS, AND MEASURING POSITIONS  

KIM H. (Engine R&D Group, Korea Institute of Machinery and Materials)
LEE S. (School of Mechanical Engineering, Sungkyunkwan University)
KIM J. (Department of Mechanical Engineering, Myongji University)
CHO G. (Engine R&D Group, Korea Institute of Machinery and Materials)
SUNG N. (School of Mechanical Engineering, Sungkyunkwan University)
JEONG Y. (Engine R&D Group, Korea Institute of Machinery and Materials)
Publication Information
International Journal of Automotive Technology / v.6, no.2, 2005 , pp. 119-124 More about this Journal
Abstract
Size distribution of diesel particles measured by ELPI and SMPS were compared. The results of ELPI and SMPS showed acceptable agreements in the qualitative comparison but showed differences in the quantitative comparison. In addition, the results of ELPI and SMPS showed a same trend about the change of engine loads. In this study, the effects of dilution methods and measuring positions on the measurement of PM size distribution were also studied by using the SMPS. As results, the decrease of large particles and the increase of small particles were observed when the dilution air was heated. It was also observed that the number concentration of the diesel particles was varied within 20$\%$ by the different measuring positions of 140 cm.
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Times Cited By Web Of Science : 5  (Related Records In Web of Science)
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