Influence of the Compression Ratio and Duration Injection on Performance and Emission of Sinjai Engine Type Flexible Fuel Engine 150 cc Fueled Bioethanol E70

Hanapi Hasan, Bambang Sudarmanta, Marthen Paloboran


In this study, the effects of using gasoline (E0) and gasoline-ethanol blends E70 on engine performance and exhaust emissions have been experimentally investigated. The investigation was conducted on a single-cylinder, four-stroke, spark ignition engine. The experiments were performed by varying the compression ratio and duration injection (100%, 125%, 150%, 175% and 200%) at a speed of 2000 up to 8000 rpm at full open throttle. The experimental results showed that blending gasoline with ethanol slightly increased the torque and decreased carbon monoxide (CO) and hydrocarbon (HC) emissions. It was also found that blending with ethanol allows increasing the compression ratio without knock occurrence


Bioethanol E70, Compression ratio, Duration injection, Emissions, Perfomance

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W.-D. Hsieh, R.-H. Chen, T.-L. Wu, and T.-H. Lin, “Engine performance and pollutant emission of an SI engine using ethanol–gasoline blended fuels,” Atmos. Environ., vol. 36, no. 3, pp. 403–410, Jan. 2002.

F. Yüksel and B. Yüksel, “The use of ethanol–gasoline blend as a fuel in an SI engine,” Renew. Energy, vol. 29, no. 7, pp. 1181–1191, Jun. 2004.

B. Sudarmanta, S. Darsopuspito, and D. Sungkono, “Influence of Bioethanol-Gasoline Blended Fuel on Performance and Emissions Characteristics from Port Injection Sinjai Engine 650 cc,” Appl. Mech. Mater., vol. 493, pp. 273–280, Jan. 2014.

B. Sudarmanta, B. Junipitoyo, A. Bachtiar, K. Putra, and I. N. Sutantra, “Influence of The Compression Ratio and Ignition Timing on Sinjai Engine Performance with 50% Bioethanol-Gasoline Blended Fuel,” ARPN J. Eng. Appl. Sci., vol. 11, no. 4, 2016.

M. E. N. Paloboran, I. N. Sutantra, B. Sudarmanta, M. E. N. Paloboran, I. N. Sutantra, and B. Sudarmanta, “Performances and Emissions Characteristics of Three Main Types Composition of Gasoline-Ethanol Blended in Spark Ignition Engines,” Int. Rev. Mech. Eng., vol. 10, no. 7, p. 552, Nov. 2016.

M. Al-Hasan, “Effect of ethanol–unleaded gasoline blends on engine performance and exhaust emission,” Energy Convers. Manag., vol. 44, no. 9, pp. 1547–1561, Jun. 2003.

G. A. Pamuji and B. Sudarmanta, “Studi Eksperimen Pengaruh Mapping Ignition Timing Dan Durasi Penginjeksian Bahan Bakar Terhadap Unjuk Kerja Dan Emisi...,” Institut Teknologi Sepuluh Nopember, 2016.

A. Kumar, D. S. Khatri, and M. K. G. Babu, “An Investigation of Potential and Challenges with Higher Ethanol-gasoline Blend on a Single Cylinder Spark Ignition Research Engine.” SAE International , 2009.

M. B. Celik, “Experimental determination of suitable ethanol–gasoline blend rate at high compression ratio for gasoline engine,” Appl. Therm. Eng., vol. 28, no. 5–6, pp. 396–404, Apr. 2008.

N. Jeuland, X. Montagne, and X. Gautrot, “Potentiality of Ethanol As a Fuel for Dedicated Engine,” Oil Gas Sci. Technol., vol. 59, no. 6, pp. 559–570, Nov. 2004.

R. C. Costa and J. R. Sodré, “Compression ratio effects on an ethanol/gasoline fuelled engine performance,” Appl. Therm. Eng., vol. 31, no. 2–3, pp. 278–283, Feb. 2011.

H. S. Yücesu, T. Topgül, C. Çinar, and M. Okur, “Effect of ethanol–gasoline blends on engine performance and exhaust emissions in different compression ratios,” Appl. Therm. Eng., vol. 26, no. 17–18, pp. 2272–2278, Dec. 2006.

T. Topgül, H. S. Yücesu, C. Çinar, and A. Koca, “The effects of ethanol–unleaded gasoline blends and ignition timing on engine performance and exhaust emissions,” Renew. Energy, vol. 31, no. 15, pp. 2534–2542, Dec. 2006.



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