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Properties and use of jatropha curcas oil and diesel fuel blends in compression ignition engine

Author

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  • Pramanik, K

Abstract

In the present investigation the high viscosity of the jatropha curcas oil which has been considered as a potential alternative fuel for the compression ignition (C.I.) engine was decreased by blending with diesel. The blends of varying proportions of jatropha curcas oil and diesel were prepared, analyzed and compared with diesel fuel. The effect of temperature on the viscosity of biodiesel and jatropha oil was also studied. The performance of the engine using blends and jatropha oil was evaluated in a single cylinder C.I. engine and compared with the performance obtained with diesel. Significant improvement in engine performance was observed compared to vegetable oil alone. The specific fuel consumption and the exhaust gas temperature were reduced due to decrease in viscosity of the vegetable oil. Acceptable thermal efficiencies of the engine were obtained with blends containing up to 50% volume of jatropha oil. From the properties and engine test results it has been established that 40–50% of jatropha oil can be substituted for diesel without any engine modification and preheating of the blends.

Suggested Citation

  • Pramanik, K, 2003. "Properties and use of jatropha curcas oil and diesel fuel blends in compression ignition engine," Renewable Energy, Elsevier, vol. 28(2), pages 239-248.
    • Handle: RePEc:eee:renene:v:28:y:2003:i:2:p:239-248
    DOI: 10.1016/S0960-1481(02)00027-7
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