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A COMPARATIVE STUDY OF CASTOR AND JATROPHA OIL SOURCE AND ITS METHYL ESTER TEST ON THE DIESEL ENGINE

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Author(s): DEVENDRA VASHIST, | Dr MUKHTAR AHMAD

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 3;
Issue: 6;
Start page: 4765;
Date: 2011;
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Keywords: Jatropha oil methyl ester | Castor oil methyl ester | Brake thermal efficiency | Fuel consumption | Chi square test.

ABSTRACT
Neat non-edible oils pose problems when subjected to use when used in the CI engines. These problems are attributed to high viscosity, low volatility and polyunsaturated character of these oils. Two non-edible sources of the oils were identified i.e jatropha and castor. The biodiesel was prepared from neat oils and blends preparedwith diesel. up till 20 percent of biodiesel. Produced blends were tested for their use as a substitute fuel for diesel in a single cylinder diesel engine at varying loads. The best engine operating condition based on lower brake specific fuel consumption and higher brake thermal efficiency were identified and compared. On the observed data for both the fuels, Chi square (2) statistical test was applied. The values calculated for 2 jatropha oil methyl ester (JOME) = 0.0104 and 2 castor oil methyl ester (COME) = 0.0524. The values concluded that there is no effect of fuel type on fuel consumption up till 20 percent biodiesel blended fuel.
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