The development of internal combustion engines is focused at solving problems like: fulfillment with increasingly stringent requirements regarding exhaust emissions and elimination of threats to the natural environment. The subject of this thesis is to assessment the impact of supplying a compression-ignition engine with hydrocarbon mixtures and to examine the impact of water on external parameters of the engine, such as smoke opacity. The tests were carried out using a innovative mixture of hydrated fusel oils, ethyl alcohol and ionic and/or non-ionic emulsifiers, from which was made of microemulsions with a water content in diesel oil of 5, 10, 15, 20 and 25%. The main tests were carried out on a 4-cylinder VW 1.9 TDI internal combustion engine at a constant engine crankshaft speed of 3000 rpm and variable load of 0, 30, 60, 90, 120, 150 and 180 Nm. The tests carried out showed a beneficial effect of the water content in the diesel oil on the reduction of the average value of smoke opacity, which systematically decreases with the increase in the percentage of water in the diesel oil.
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Jankowski A. Influence of chosen parameters of water fuel microemulsion on combustion processes, emission level of nitrogen oxides and fuel consumption of CI engine. Journal of KONES Powertrain and Transport. 2011;18(4):593-600.
Jankowski A, Kowalski M. Alternative fuel in the combustion process of combustion engines. Journal of KONBiN. 2018;48(1):69-82.
Jankowski A, Sowa K, Zabłocki M. Some aspects using of micro emulsion fuel-water for supply of combustion engines. Journal of KONES 2009 Powertrain and Transport. 2009;16(4):531-538.
Kaźmierczak U, Kulczycki A, Dzięgielewski W, Jankowski A. Microemulsion bioliquids (in Polish). Journal of KONBiN. 2012;21(1):141-148.
Kesharvani S, Chhabra M, Dwivedi G, Verma TN, Pugazhendhi A. Execution and emission characteristics of automotive compression ignition engine powered by cerium oxide nanoparticles doped water diesel emulsion fuel. Fuel. 2023;349:128670.
Kornienko V, Radchenko R, Radchenko M, Radchenko A, Pavlenko A, Konovalov D. Cooling cyclic air of marine engine with water-fuel emulsion combustion by exhaust heat recovery chiller. Energies. 2022;15(1):248.
Tamam MQM, Yahya WJ, Ithnin AM, Abdullah NR, Kadir HA, Rahman MM et al. Performance and emission studies of a common rail turbocharged diesel electric generator fueled with emulsifier free water/diesel emulsion. Energy. 2023;268:126704.
Tornatore C, Marchitto L, Teodosio L, Massoli P, Bellettre J. Performance and emissions of a spark ignition engine fueled with water-in-gasoline emulsion produced through micro-channels emulsification. Appl Sci. 2021;11(20):9453.
Yadykova AY, Ilyin SO. Rheological, thermophysical, and morphological features of original and hydrogenated bio-oils. Sustainable Energy and Fuels. 2021;5:4425-4433.
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