Performance Analysis of Diesel Engine with Two Biodiesels Blended With Diesel

Biodiesels obtained from vegetable oils and animal resources have been considered as a promising alternate fuel. Many researches were performed blending diesel with single biodiesel. Only very few works were done with the combination of two different biodiesel blended with diesel. In this experimental study, two Biodiesels from Palm oil and Rice Bran oil blended with Diesel at various mixing ratio (PME10, RBME10) and (PME20, RBME20). The fuel properties of the blends were tested for its acceptance in accordance with ASTM standards. The performance tests were done with two blends (10% & 20%) at various loads with constant engine speed of 1500 rpm and the results were compared. The performance characteristics observed for 10% blends are similar to that of diesel. The Brake power and Brake thermal efficiency are higher for 10% blends compared to 20% blends however the Brake specific fuel consumption of 10% blends are lower than that of 20% blends. This experimental analysis reveal that the combined blend of PME10 & RBME10 shows superior performance than the blend of PME20 & RBME20.