Abstract
The object of the current work is to enhance diesel engine performance utilizing diesel/Jatropha biodiesel/n-butanol blends with the addition of carbon nanomaterials, which are mainly multiwalled carbon nanotubes (MWCNTs), graphene nanoplatelets (GNPs), and graphene oxide (GO). The results showed that Jatropha biodiesel and Jatropha biodiesel-diesel (JB20) mixed with GNPs, GO, and MWCNTs exhibited significant improvement in combustion and emission characteristics. The same findings are achieved with a Jatropha biodiesel-n-butanol mixture (JME40B) with the addition of these additives. The peak pressure and brake specific fuel consumption were higher compared to the base fuel. Additionally, the addition of a high blending ratio of n-butanol with Jatropha biodiesel with the existence of carbon nanomaterials has the potential to achieve new norms of NOx, CO, and UHC emissions while also keeping a high thermal efficiency level. Finally, the results illustrate that the concentration of 50mg/L had maximum improvement in both the engine combustion and emission parameters.
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