Improvement of Fusel Oil Features and Effect of Its Use in Different Compression Ratios for an SI Engine on Performance and Emission

Süleyman Şimşek, Hasan Saygın and Bülent Özdalyan
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Süleyman Şimşek: Department of Mechanical Engineering, Istanbul Aydın University, 34295 Istanbul, Turkey
Hasan Saygın: Department of Mechanical Engineering, Istanbul Aydın University, 34295 Istanbul, Turkey
Bülent Özdalyan: Department of Mechanical Engineering, Karabuk University, 78050 Karabuk, Turkey

Energies, 2020, vol. 13, issue 7, 1-14

Abstract: In this study, the effects of the use of improved fusel oil on engine performance and on exhaust emissions in a spark-ignition engine were investigated experimentally in consideration of the water, gum, and moisture content at high compression ratios according to TS EN 228 standards. In the study, a four-stroke, single-cylinder, air-cooled, spark plug ignition engine with an 8/1 compression ratio was used at three different compression ratios (8/1, 8.5/1, 9.12/1). Experiments were performed for six different ratios of fuel blends (F0, F10, F20, F30, F40, and F50) at a constant speed and different loads. The data obtained from the experiments were compared with the original operating parameters of the engine while using gasoline. According to the test results, the optimal engine performance was at a 9.12/1 compression ratio and with a F30 fuel blend. With the increase from an 8/1 to 9.12/1 compression ratio for the F30 fuel blend, the overall efficiency increased by 6.91%, and the specific fuel consumption decreased by 2.35%. The effect of the optimum fusel blend on the emissions was also examined and CO emissions were reduced by 36.82%, HC emissions were reduced by 23.07%, and NO x emissions were reduced by 15.42%, while CO 2 emissions were increased by 13.88%.

Keywords: fusel oil; SI engine; compressions ratio; engine performance; emission; removal of gum and water content (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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