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Olive oil as a fuel supplement in DI and IDI diesel engines

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  • Rakopoulos, C.D.

Abstract

An experimental study has been conducted to evaluate 25/75% and 50/50% blends of olive oil and commercial diesel fuel in four-stroke DI (direct injection) and IDI (indirect injection) diesel engines with swirl-combustion chambers. The influence of the blends, for a large range of loads, has been examined on fuel consumption, maximum pressure, exhaust smokiness, and exhaust-gas emissions. A small penalty in specific fuel consumption, essentially unaltered maximum pressures and moderate increases in exhaust smokiness are found. There are moderate decreases in emitted NOx and increases in HC, as well as negligible increases in CO.

Suggested Citation

  • Rakopoulos, C.D., 1992. "Olive oil as a fuel supplement in DI and IDI diesel engines," Energy, Elsevier, vol. 17(8), pages 787-790.
    • Handle: RePEc:eee:energy:v:17:y:1992:i:8:p:787-790
    DOI: 10.1016/0360-5442(92)90122-G
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    Cited by:

    1. Shahid, Ejaz M. & Jamal, Younis, 2011. "Production of biodiesel: A technical review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 4732-4745.
    2. Rakopoulos, C.D. & Antonopoulos, K.A. & Rakopoulos, D.C., 2007. "Experimental heat release analysis and emissions of a HSDI diesel engine fueled with ethanol–diesel fuel blends," Energy, Elsevier, vol. 32(10), pages 1791-1808.
    3. Giakoumis, Evangelos G., 2018. "Analysis of 22 vegetable oils’ physico-chemical properties and fatty acid composition on a statistical basis, and correlation with the degree of unsaturation," Renewable Energy, Elsevier, vol. 126(C), pages 403-419.
    4. Rakopoulos, C.D. & Kosmadakis, G.M. & Pariotis, E.G., 2009. "Evaluation of a new computational fluid dynamics model for internal combustion engines using hydrogen under motoring conditions," Energy, Elsevier, vol. 34(12), pages 2158-2166.
    5. Gürü, Metin & Koca, Atilla & Can, Özer & Çınar, Can & Şahin, Fatih, 2010. "Biodiesel production from waste chicken fat based sources and evaluation with Mg based additive in a diesel engine," Renewable Energy, Elsevier, vol. 35(3), pages 637-643.

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