D. Vashist, M. Ahmad,
Volume 2, Issue 2 (4-2012)
Abstract
Biofuels are playing important role in recent decades as substitutes for petro diesel. Biodiesel derived from vegetable
oils are found to give comparable performance and emission characteristics. In this paper a comparative study has been
done between two fuels combinations i.e. jatropha and castor. The biodiesel was prepared from neat oils and blends of
biodiesel (up till 20%) were prepared with diesel. Produced blends were tested for their use as a substitute fuel for
diesel in a single cylinder diesel engine. On the observed data for both the fuels, Student t statistical test was applied.
The values for fuel consumption calculated for t were 0.088 for jatropha oil methyl ester (JOME) and 0.44 for castor
oil methyl ester (COME) blends. Similarly for emission characteristics the values for CO2, CO, NOx calculated for t
were 2.94, -4.781, 2.83 for COME and 5.48, -2.91 and 4.24 for JOME respectively. The values concluded that there
is no effect of fuel type on fuel consumption up till 20 percent biodiesel blended fuel with respect to performance and
emission characteristics.
