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Cyclic variations on LPG and gasoline-fuelled lean burn SI engine

Author

Listed:
  • Ceviz, M.A.
  • Yüksel, F.

Abstract

Lean operation is an attractive operational condition; it is known as one of the methods to increase thermal efficiency, and to decrease exhaust emissions and fuel consumption. However, as the mixture leans, cyclic variations increase. Cyclic variations are usually attributed to the result of random fluctuations, excess air ratio and flow field due to the turbulent nature of the flow in the cylinder that limits the range of operating conditions of the spark ignition engine. Gaseous fuels as clean, economical and abundant fuels can improve the lean operating limits and decrease the cyclic variations. Therefore, the purpose of this research is to investigate the use of liquefied petroleum gas (LPG) as a fuel for spark ignition engine in terms of lean operation, and focuses on the cyclic variations and exhaust emissions. The results of this study showed that use of LPG decreased the coefficient of variation in the indicated mean effective pressure, and emission.

Suggested Citation

  • Ceviz, M.A. & Yüksel, F., 2006. "Cyclic variations on LPG and gasoline-fuelled lean burn SI engine," Renewable Energy, Elsevier, vol. 31(12), pages 1950-1960.
    • Handle: RePEc:eee:renene:v:31:y:2006:i:12:p:1950-1960
    DOI: 10.1016/j.renene.2005.09.016
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    Citations

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    Cited by:

    1. Ceviz, M. Akif & Çavuşoğlu, Bülent & Kaya, Ferhat & Öner, İ. Volkan, 2011. "Determination of cycle number for real in-cylinder pressure cycle analysis in internal combustion engines," Energy, Elsevier, vol. 36(5), pages 2465-2472.
    2. Szwaja, Stanislaw & Jamrozik, Arkadiusz & Tutak, Wojciech, 2013. "A two-stage combustion system for burning lean gasoline mixtures in a stationary spark ignited engine," Applied Energy, Elsevier, vol. 105(C), pages 271-281.
    3. Alagumalai, Avinash, 2014. "Internal combustion engines: Progress and prospects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 38(C), pages 561-571.
    4. Myung, Cha-Lee & Choi, Kwanhee & Kim, Juwon & Lim, Yunsung & Lee, Jongtae & Park, Simsoo, 2012. "Comparative study of regulated and unregulated toxic emissions characteristics from a spark ignition direct injection light-duty vehicle fueled with gasoline and liquid phase LPG (liquefied petroleum ," Energy, Elsevier, vol. 44(1), pages 189-196.

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