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Usman , M. Khumaidi
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Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

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Uji Performa Engine Fuel Injection Berbahan Bakar Gasoline-Butanol dan Gasoline-Ethanol Sanjaya, Firman Lukman; Fatkhurrozak, Faqih; Syarifudin, Syarifudin; Usman , M. Khumaidi; Budhi Hendrawan, Andre
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2814

Abstract

The energy crisis is largely attributed to the extensive use of fossil fuels. Butanol and ethanol can be used as an alternative energy source because their characteristics are superior to those of gasoline, such as RON and oxygen content. This study aims to determine the effect of gasoline-butanol and gasoline-ethanol mixtures on engine performance so that they can be an option to replace fossil fuels. The percentage of alcohol (butanol and ethanol) in gasoline is 5%, 10%, and 15% with variations in engine speed of 1000, 2000, and 3000 rpm. This study uses a dynamometer as a tool to measure engine performance. Test results show that E15 can increase engine torque and power by up to 26%, while B15 increases by 19%. In addition, ethanol can reduce BSFC better than butanol. The BSFC value decreased by 17% in E15, while B15 decreased by 15% compared to pure gasoline. This is because ethanol's RON and oxygen content are higher, so torque and power increase while BSFC decreases. These results prove that gasoline-ethanol is better at improving engine performance than gasoline-butanol.
Co-Authors Budhi Hendrawan, Andre Fatkhurrozak, Faqih Sanjaya, Firman Lukman Syarifudin Syarifudin