Soot emission of a CI engine fueled with various PRF/oxygenate blends

L. Zhou, C.A.J. Leermakers, C.C.M. Luijten, B. van den Berge, L.P.H. Goey, de

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Due to the increasingly stringent regulation of particulate matter (PM) emission, research of soot emission characteristics of diesel engines has been a hot topic for years. One of the methods to suppress soot formation is the use of oxygenated fuels. Numerous previous studies have reported that the reduction of PM emissions depends both on the overall oxygen percentage of the fuel and on the molecular structure of blended oxygenates. The effect of molecular structure has sometimes been attributed to differences in auto-ignition quality. This paper reports on tests of soot emission on a modified in-line 6-cylinder DAF HD Diesel engine with several selected oxygenates mixed with PRFs (i.e. different mixtures of n-heptane and iso-octane). In order to isolate the effect of molecular structure, the blend compositions are chosen such, that both the overall oxygen fraction and the auto-ignition quality of all blends are the same. Still, significant differences in soot propensity are observed.
Original languageEnglish
Title of host publicationProceedings of the 5th European Combustion Meeting (ECM 2011), 28 June - 1 July 2011, Cardiff
Publication statusPublished - 2011
Event5th European Combustion Meeting (ECM 2011), June 28-July 1, 2011, Cardiff, UK - Cardiff, United Kingdom
Duration: 28 Jun 20111 Jul 2011

Conference

Conference5th European Combustion Meeting (ECM 2011), June 28-July 1, 2011, Cardiff, UK
Abbreviated titleECM 2011
CountryUnited Kingdom
CityCardiff
Period28/06/111/07/11

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