Preliminary Study of Eugenol Bio-Additive on Combustion Characteristics of Low Octane Fuel

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Fuel characteristics are the most important thing in the combustion process. Fuel characteristics are influenced by the composition of the mixture, the molecular structure of the mixture formed, the calorific value and the evaporation temperature of the fuel. The purpose of this study was to determine the characteristics of isooctane fuel after being mixed with n-heptane and eugenol additives. This study was conducted by mixing isooctane fuel with n-heptane, at a composition of 92%v Isooctane and 8%v n-Heptane. The mixture was added with eugenol additives. Analysis tests were carried out on the molecular structure, calorific value, evaporation rate, octane number. Experimental tests were carried out to test the combustion rate. The test results were analyzed on the molecular structure. The test results showed that there was no interaction between isooctane, n-heptane and eugenol molecules. Based on these results, it was concluded that eugenol was able to increase the calorific value of isooctane-based fuel at a mixture composition of 1%v eugenol.

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Engineering Headway (Volume 38)

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75-80

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June 2026

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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