Abstract
Nano-additives can be added to biodiesel blends to improve its performance through better fuel properties. The present study investigated the effects of Al2O3 nano-additives on B20 blends of pongamia and jatropha biodiesel in a vertical single cylinder direct injection compression ignition engine. The fuel properties have been determined for all fuel samples with and without additives addition. The engine study was conducted to analyse the performance and emission characteristics of the blends with and without the additives at varying loads. The emissions from the biodiesel blends were comparatively lesser than that of normal diesel. B20 blend of pongamia biodiesel with additive has shown better performance. Additive-added biodiesel blends show a significant reduction in NOx emission.
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