Combustion, performance, and emission study on the octanol- neem biodiesel blends fueled diesel engine

This work investigates on the impact of octanol with neem biodiesel (NBD) on diesel engine characteristics. Two different fuel blends are prepared by changing the n-octanol content in NBD from 10 to 20% on a volume basis. Results from this work revealed that with an increase in volume percentage in NBD generated a higher heat release rate and in-cylinder pressure at premixed combustion. Further, with an increase in volume percentage in NBD improved BTE than neat NBD. Fuel consumption has lowered by 2.4% with higher octanol content in NBD. The excess oxygen present in octanol lowered CO, HC, NO and smoke emissions by 5.7%, 6.2%, 4.4% and 6.7% respectively when compared to NBD. Overall, adding 20% of octanol to NBD improved the performance aspects with lowered emissions. This research work reveals that 20% of Octanol and 80% of BD can optimize diesel engine emissions, combustion, and performance with undergoing any modifications.