Abstract
Depletion of fossil fuels and concern about environmental pollution thrives on making biodiesel an alternative and sustainable biofuel for reducing the emission level of diesel engines. This work focuses on the effect of various biodiesel blends compared with conventional diesel and the influence of nano additives on biodiesel. The transesterification process is employed to prepare biodiesel. Operational characteristics of diesel engines have been experimentally investigated, and the effect of blending of Syzygium cumini biodiesel with diesel is studied and compared with conventional diesel. Tests were performed at a steady–state condition in a diesel engine at a constant speed of 1500 rpm fueled with diesel (D100) and biodiesel blends (B10, B20, B30, B40, B 100). For blend B30, the brake-specific fuel consumption is decreased and brake thermal efficiency is enhanced with Syzygium cumini biodiesel in the engine. In respect of emissions, carbon monoxide, hydrocarbons, and nitrogen oxides are considerably reduced. Influence of graphene nanoparticle addition of different proportions such as 10 ppm, 40 ppm, and 70 ppm were studied. The addition of nano additives reduces the harmful pollution and enhances the performance due to the catalytic reaction of nano additives with biodiesel. Brake thermal efficiency of 70 ppm do** of nano B30 blend was improved by 5% and brake-specific fuel consumption was reduced by 12% compared to without nano B40 blend. Emissions of HC, CO, and NOx of 70 ppm do** nano B40 blend are decreased by 22%, 16%, and 31%, respectively, compared to the neat B30 blend. Results revealed that graphene could be introduced as a suitable alternative fuel additive for Syzygium cumini biodiesel blends.
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Abbreviations
- B100:
-
Syzygium cumini biodiesel
- D100:
-
Diesel
- BSFC:
-
Brake-specific fuel consumption
- CO:
-
Carbon monoxide
- HC:
-
Hydrocarbon
- NOx:
-
Nitrogen oxide
- PM:
-
Particulate matters
- AB:
-
Argemone biodiesel
- NaOH:
-
Sodium hydroxide
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Murugu Nachippan, N. et al. (2023). Assessment of Engine Characteristics of Diesel Engine Fuelled with Graphene Nano Additive Doped Syzygium cumini Biodiesel Blends. In: Sogut, M.Z., Karakoc, T.H., Secgin, O., Dalkiran, A. (eds) Proceedings of the 2022 International Symposium on Energy Management and Sustainability . ISEMAS 2022. Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-031-30171-1_82
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