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Open AccessArticle

Effect of Diesel Fuel-Coconut Oil-Butanol Blends on Operational Parameters of Diesel Engine

1
Department for Quality and Dependability of Machines, Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague, Czech Republic
2
Research Institute of Agriculture Engineering, Drnovská 507, 161 01 Prague, Czech Republic
3
Department of Building Equipment and Technology Safety, Faculty of Engineering, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia
*
Author to whom correspondence should be addressed.
Energies 2020, 13(15), 3796; https://doi.org/10.3390/en13153796
Received: 1 July 2020 / Revised: 18 July 2020 / Accepted: 23 July 2020 / Published: 24 July 2020
(This article belongs to the Special Issue Renewable Energy Solutions for Baltic-Nordic Region 2020)
The global concentration of greenhouse gasses in the atmosphere is increasing as well as the emissions of harmful pollutants. Utilization of liquid biofuels in combustion engines helps to reduce these negative effects. For diesel engines, the most common alternative fuels are based on vegetable oils. Blending neat vegetable oils with diesel and/or alcohol fuels is a simple way to make them suitable for diesel engines. In this study, coconut oil was used in ternary fuel blends with diesel and butanol. Coconut oil is a potentially usable source of renewable energy, especially in the Pacific, where it is a local product. Diesel fuel-coconut oil-butanol fuel blends were used in concentrations of 70%/20%/10% and 60%/20%/20%, and 100% diesel fuel was used as a reference. The effect of the fuel blends on the production of harmful emissions, engine smoke, performance parameters, fuel consumption and solid particles production was monitored during the measurement. The engine was kept at a constant speed during the measurement and the load was selected at 50%, 75% and 100%. From the results, it can be stated that in comparison with diesel fuel, specific fuel consumption increased with a positive effect on the reduction of engine smoke. View Full-Text
Keywords: engine; diesel fuel; coconut oil; butanol; emissions; performance; fuel consumption engine; diesel fuel; coconut oil; butanol; emissions; performance; fuel consumption
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Čedík, J.; Pexa, M.; Holúbek, M.; Aleš, Z.; Pražan, R.; Kuchar, P. Effect of Diesel Fuel-Coconut Oil-Butanol Blends on Operational Parameters of Diesel Engine. Energies 2020, 13, 3796.

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