Emission and performance behaviour of blends of diesel/lemongrass oil in DI diesel engine

Abstract Feedstock costs accounts for the larger percentage of biofuel production. The use of lemongrass oil and optimization of the oil production process that increases the yield and production cost considerably decreases. The objective of this research is to explore the emission and performance behaviour of diesel engine fuelled with lemongrass oil (LGO). LGO was extracted by steam distillation process and various lemon grass oil blends were prepared and tested in a diesel engine. Compare to different blends, 20% lemongrass oil with diesel shows better performance on par with the operation of diesel fuel regarding BTE and exhaust emission. The BTE of B20 is 30.07% and diesel is 33.78%. Alongside the B20 emits 1758 ppm of NOx, though diesel emits 1855 ppm and LGO (B100) emits 1714 ppm of NOx. The smoke emission of B20 is 65% and diesel is 85.5%. This research proves that the lemongrass oil is good quality and can be used to substitute the fossil based diesel.