THERMAL SCIENCE

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Breda Kegl

,

Luka Lešnik

INFLUENCE OF WATER/DIESEL EMULSIFIED FUEL ON DIESEL ENGINE CHARACTERISTICS

ABSTRACT
The paper deals with water/diesel emulsion effects on injection and combustion characteristics of a bus diesel engine. The influences of water content in water/diesel emulsion are investigated by numerical simulation. Higher content of water in water/diesel emulsion increases the injection pressure and decreases the in-cylinder gas pressure, in-cylinder gas temperature, and rate of heat release; this leads to lower engine torque and power. The obtained results indicate a possibility of essential reduction of NOx and soot emissions by increasing water content.
KEYWORDS
diesel engine, water/diesel emulsion, pump injection timing, heat release rate, harmful emissions
PAPER SUBMITTED: 2019-02-22
PAPER REVISED: 2019-07-29
PAPER ACCEPTED: 2019-07-29
PUBLISHED ONLINE: 2019-09-15
DOI REFERENCE: https://doi.org/10.2298/TSCI190222319K
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2019, VOLUME 23, ISSUE Supplement 5, PAGES [S1749 - S1755]
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Influence of water/diesel emulsified fuel on diesel engine characteristics

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, 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