THERMAL SCIENCE

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Erdinç Vural

THE USE OF HIGH MOLECULAR ISO-AMYL ALCOHOL AS AN ALTERNATIVE FUEL FOR COMPRESSION IGNITION ENGINES

ABSTRACT
Currently, many studies are being conducted to improve the emissions and combustion of diesel fuels of diesel vehicles. The majority of these studies consist of alcohol-derived fuels. Alcohol fuels are usually composed of butanol, methenol, and ethanol fuels. However, a high molecular alcohol such as iso-amyl with a high calorific value, which can be produced from sugar beet pulp, is the focus of more attention. Iso-amyl alcohol, chemical formula (CH3)2CH-CH2CH2-OH, oxygen rich, can mix with solvents such as ether, photography, pharmaceutical industry, milk oil quantity determination and synthesis, used in a colorless, foul-smelling liquid. In this study, the effects of the addition of iso-amyl alcohol to diesel fuel in order to reduce Diesel engine emissions were examined. For this purpose, 5%, 10%, and 20% iso-amyl alcohol were added to the diesel fuel. The resulting mixtures were subjected to full fuel analysis, unlike other studies. After that, the fuel mixtures in a Diesel engine at different engine speeds at full load (1400 rpm, 1700 rpm, 2000 rpm, 2300 rpm, 2600 rpm, 2900 rpm. and 3200 rpm) were tried. As a result of the experiments, it was determined that the contribution of iso-amyl alcohol caused a 1% -3% reduction in cylinder pressure, 12-20% in power, and 8-25% in torque. Furthermore, when examined in terms of exhaust gas emissions, it decreased in NOx emission by 1-10%, in smoke opacity by 9-36%, and in HC emission by 6-44%.
KEYWORDS
diesel engine, combustion, iso-amyl alcohol, engine performance, exhaust emissions
PAPER SUBMITTED: 2021-05-26
PAPER REVISED: 2021-10-20
PAPER ACCEPTED: 2022-04-28
PUBLISHED ONLINE: 2022-07-23
DOI REFERENCE: https://doi.org/10.2298/TSCI2204919V
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 4, PAGES [2919 - 2927]
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The use of high molecular iso-amyl alcohol as an alternative fuel for compression ignition engines

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