THERMAL SCIENCE

International Scientific Journal

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Zhibin Du

,

Chao Chen

,

Lei Wang

COMBUSTION CHARACTERISTICS OF AND BENCH TEST ON A MIXTURE OF GASOLINE AND ALTERNATIVE FUEL

ABSTRACT
In this study, an evaporative premixed constant-volume combustion system was designed for the combustion of liquid fuels, compared with a traditional constant-volume firebomb. The effects of an alternative fuel to gasoline on the combustion characteristics of the laminar flame of gasoline were analyzed, and a bench test was subsequently carried out. The results showed that the addition of the alternative fuel made the maximum non-stretched flame propagation velocity of combusting gasoline increasingly close to that of combusting diluted mixed gas. The Markstein lengths of gasoline and a mixture of gasoline and an alternative fuel became shorter with a higher equivalence ratio, and flame combustion was increasingly unstable. The laminar combustion velocity of the mixture rose before declining as the equivalence ratio increased. According to the results of the bench test, adding 20% of the alternative fuel into gasoline had little impact on the power performance and fuel consumption of the engine, but it reduced HC emissions by 25% and CO emissions by 67%.
KEYWORDS
constant-volume combustion, alternative fuel of gasoline, combustion characteristics, laminar combustion velocity, bench test
PAPER SUBMITTED: 2020-07-04
PAPER REVISED: 2020-09-12
PAPER ACCEPTED: 2020-09-29
PUBLISHED ONLINE: 2020-10-31
DOI REFERENCE: https://doi.org/10.2298/TSCI200704324D
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 5, PAGES [3409 - 3418]
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Combustion characteristics of and bench test on a mixture of gasoline and alternative fuel

© 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