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ABSTRACT
The present investigation explores the effect of dairy scum oil methyl ester (DSOME) blends and ethanol additive on TV1 Kirloskar diesel engine performance, combustion and emission characteristics. From the experimental study, it is concluded that DSOME-B20 (20% dairy scum biodiesel + 80% diesel) has shown appreciable performance and lower HC and CO emissions among all other blends. Hence DSOME-B20 is optimised as best fuel blend and it is carried for further investigations to study the effect of bio-ethanol additive on diesel engine performance. From the study it apparent that diesel engine operated with ethanol additive and 20% dairy scum biodiesel blended fuels shown the satisfactorily improved emission characteristics when compared to petroleum diesel fuel operation. Finally, from the experimental investigation, it concludes that addition of ethanol shown the slightly higher HC, CO emission and improved BTE, BSFC, NOx and CO2 than sole B20 biodiesel blend. Among all three (3%, 6% and 9%) ethanol additive ratios, E6% (6%-ethanol with B20) ethanol additive exhibits slightly better BTE, BSFC, cylinder pressure and heat release rate hence 6% ethanol additive with B20 biodiesel blend would furnish beneficial effects in the diesel engine.
Acknowledgements
Authors would like to acknowledge the Managing Director of Apex Innovations, Sangli (India) for providing computerized experimental test rig to conduct the experiments. The authors are grateful to I & D (Information and Demonstration on Biofuels) Centre, Biofuel Park Madenur, Hasan which is sponsored by Karnataka State Biofuel Development Board (KSBD), Govt. of Karnataka (India) for providing dairy scum biodiesel for research work.
Disclosure statement
No potential conflict of interest was reported by the authors.