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All Journal Zero : Jurnal Sains, Matematika, dan Terapan
Prayoga, Bagas
Department of Mechanical Engineering, Universitas Samudra, Langsa 24416, Indonesia
Agriculture, Biological Sciences & Forestry Chemistry Mathematics Physics

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Optimization of Clove Oil Blending Ratio to Gasoline Engine Performance Abdullah, Nasruddin A.; Prayoga, Bagas; Amir, Fazri; Rizal, Teuku Azuar; Amin, Muhammad; Umar, Hamdani
ZERO: Jurnal Sains, Matematika dan Terapan Vol 9, No 2 (2025): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v9i2.26659

Abstract

The increasing need for cleaner and more efficient fuels encourages the use of bio-additives to improve the combustion quality of gasoline engines. However, research on the direct effect of variations in the ratio of clove oil in Pertalite gasoline on engine performance and emissions is still limited. This study examined the effect of mixing clove oil in four fuel compositions, namely pure Pertalite (P0), Pertalite + clove oil 0.5% (P0.5), 1% (P1), and 2% (P2), on engine performance parameters and exhaust emission characteristics. The results showed that the P2 blend provided the most significant improvement in engine performance, characterized by a 4.6% increase in torque and 6.3% power,  a decrease in specific fuel consumption of up to 7.1%, and an increase in calorific value of up to 7.8%. Thermal efficiency also increased at high rounds of 1 %, indicating better energy conversion. In terms of emissions, a decrease in CO of 0.006% and a decrease in CO₂ of 0.1% indicate more complete combustion, although HC increases by 34 ppm (parts per million) due to the  volatile characteristics of clove oil. Overall, the addition of 2% clove oil has been shown to improve combustion quality without engine modification. These findings confirm the potential of clove oil as a viable and relevant renewable bio-additive to support energy transition efforts towards a cleaner and more sustainable transportation system.
Co-Authors Abdullah, Nasruddin A. Amin, Muhammad Fazri Amir Rizal, Teuku Azuar Umar, Hamdani