THERMAL SCIENCE

International Scientific Journal

Venkanna Krishnamurthy Belagur

,

Venkataramana Reddy Chitimini

EFFECT OF INJECTOR OPENING PRESSURES ON THE PERFORMANCE, EMISSION AND COMBUSTION CHARACTERISTICS OF DI DIESEL ENGINE RUNNING ON HONNE OIL AND DIESEL FUEL BLEND

ABSTRACT
The present work examines the use of a non-edible vegetable oil namely honne oil, a new possible source of alternative fuel for diesel engine. Highly viscous honne oil can be reduced by blending it with diesel fuel. A direct injection diesel engine typically used in agricultural sector was operated on neat diesel and a blend of 50% honne oil with 50% diesel fuel (H50). Injector opening pressure was changed to study the performance, emission and combustion characteristics. It was observed that increasing the injector opening pressure with H50 from the rated injector opening pressure (200 bar) increased the brake thermal efficiency and reduced CO, HC, and smoke opacity emissions. However, NOx emission was increased. With H50, ignition delay decreased as injector opening pressure increased. Improved premixed heat release rate were observed with H50 when the injector opening pressure was advanced. The best injector opening pressure was 240 bar for H50 based on brake thermal efficiency and emissions.
KEYWORDS
honne oil, diesel engine, blending, injector opening pressure, performance, emissions
PAPER SUBMITTED: 2010-02-28
PAPER REVISED: 2010-04-30
PAPER ACCEPTED: 2010-06-27
DOI REFERENCE: https://doi.org/10.2298/TSCI1004051B
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2010, VOLUME 14, ISSUE Issue 4, PAGES [1051 - 1061]
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Effect of injector opening pressures on the performance, emission and combustion characteristics of DI diesel engine running on honne oil and diesel fuel blend

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