THERMAL SCIENCE

International Scientific Journal

REDUCTION OF HARMFUL NITROGEN OXIDE EMISSION FROM LOW HEAT REJECTION DIESEL ENGINE USING CARBON NANOTUBES

ABSTRACT
In this study, lanthanum aluminate is used as thermal barrier coating material for the first time in the internal combustion engine to convert the standard engine into low heat rejection engine. Initially, the biodiesel is prepared from sunflower oil by using trans-esterification process. The piton crown, cylinder head and valves of the engine is coated with lanthanum aluminate for a thickness of around 200 microns. However, the analysis of performance and emission characteristics of a standard diesel is carried out with diesel/biodiesel to compare with the low heat rejection engine. The lanthanum aluminate coated engine fueled with sunflower methyl ester shows better performance and emission. But the emission of NOx founds to be higher in the coated engine. Further, a small quantity of carbon nanotubes is added onto the biodiesel to carry out the experiments. Based on the results, the carbon nanotubes are added with the biodiesel to reduce the emission of NOx.
KEYWORDS
PAPER SUBMITTED: 2015-09-06
PAPER REVISED: 2016-01-03
PAPER ACCEPTED: 2016-02-09
PUBLISHED ONLINE: 2016-11-13
DOI REFERENCE: https://doi.org/10.2298/TSCI16S4181T
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Supplement 4, PAGES [S1181 - S1187]
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© 2019 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence