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The Effect of Low Boiling Point Oxygenates on the Diesel Engine Performance and Emissions  

김봉석 (원주대학 동력기계과)
송용식 (제천기능대학 자동차)
궁본등 (북해도대학 대학원 공학연구과)
Publication Information
Journal of Energy Engineering / v.13, no.1, 2004 , pp. 20-27 More about this Journal
Abstract
In the study, the effect of low boiling point oxygenates in high viscous fuels on the exhaust emissions has been investigated for a single cylinder DI diesel engine. It was tested to estimated change of engine performance and exhaust emission characteristics for the base fuels and low boiling point oxygenates blended fuel which have six kinds of fuels and various mixed rates. The results of the study may be con eluded as follows By blending of various low boiling point oxygenated agents to lower grade fuels, significant improvements were simultaneously obtained in smoke, CO, PM, SOF and BSEC. Especially, these trends were remarkably obtained by retarding injection timing, by decreasing boiling point and increasing blending contents of additives in case of oxygenated agents rather than non-oxygenated agents. Also, it was revealed that when 20 vol.％ DMM added to high viscosity fuels and injection timing was retarded, Nox-smoke trade off relationship was much better than that of ordinary diesel fuel. Thus, lower grade fuels with high viscosity could be expected to be used efficiently and cleanly in diesel operation by blending low boiling point oxygenates.
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Times Cited By KSCI : 2  (Citation Analysis)
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