Evaluation of effects of biofuels blends on performance and emissions of diesel engine

  • 1 University of Applied Engineering Sciences, Lithuania


Growth of the economy and living standards of the population increase the need of people’s and goods transportation by sea, railroads, the air, and highways. As a result, increases the need to use more ships, trains, airplanes, heavy-duty trucks, self-powered machines, city busses, and light-duty passenger cars. Unavoidably increases the demand of the fuel to be consumed, however the natural oil – resources are largely exhausted over hundreds of years. Moreover, the increased consumption of a fossil-origin fuel creates the urgent environment pollution problems and climate change. The automotive air-pollution problem emerged already aim of this article was to
investigate the influence of three-component fuel on the efficiency and emission performance of a diesel engine. The results obtained during the research are presented, which are investigated with a single-cylinder diesel engine “ORUVA F1L511”. The study examines diesel fuel and fuel blends J5Bu5, J5Bu10 and J5Bu15. The results obtained in the study are comparable. Engine load characteristics were recorded at n = 2000 rpm. The study found that the lowest carbon monoxide (CO) emissions (163ppm) were obtained by using J5Bu5 fuel blend. Maximum nitrogen oxide (NOx) emissions were obtained with the engine running on diesel fuel (1839ppm). The lowest NOx emission was obtained with the engine running on a three-component J5Bu15 fuel blend (1643ppm). The highest opacity was obtained when the engine was fuelled with 100% diesel fuel and at full load.



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