THERMAL SCIENCE

International Scientific Journal

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Palanimuthu Vijayabalan

,

Govindan Nagarajan

PERFORMANCE, EMISSION, AND COMBUSTION CHARACTERISTICS OF A CI ENGINE USING LIQUID PETROLEUM GAS AND NEEM OIL IN DUAL FUEL MODE

ABSTRACT
Increased environmental awareness and depletion of resources are driving the industries to develop viable alternative fuels like vegetable oils, compressed natural gas, liquid petroleum gas, producer gas, and biogas in order to provide suitable substitute to diesel for compression ignition engine. In this investigation, a single cylinder, vertical, air-cooled diesel engine was modified to use liquid petroleum gas in dual fuel mode. The liquefied petroleum gas, was mixed with air and supplied through intake manifold. The liquid fuel neem oil or diesel was injected into the combustion chamber. The performance, emission, and combustion characteristics were studied and compared for neat fuel and dual fuel mode. The experimental results on dual fuel engine show a reduction in oxides of nitrogen up to 70% of the rated power and smoke in the entire power range. However the brake thermal efficiency was found decreased in low power range due to lower calorific value of liquid petroleum gas, and increase in higher power range due to the complete burning of liquid petroleum gas. Hydrocarbon and carbon monoxide emissions were increased significantly at lower power range and marginal variation in higher power range.
KEYWORDS
liquid petroleum gas, neem oil, diesel, dual fuel, combustion, performance, emission
PAPER SUBMITTED: 2009-09-16
PAPER REVISED: 2009-10-07
PAPER ACCEPTED: 2010-04-01
DOI REFERENCE: https://doi.org/10.2298/TSCI1004923P
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2010, VOLUME 14, ISSUE Issue 4, PAGES [923 - 935]
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Performance, emission, and combustion characteristics of a CI engine using liquid petroleum gas and neem oil in dual fuel mode

© 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