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Investigation of combustion and emission characteristics of n-hexane and n-hexadecane additives in diesel fuel

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Abstract

One of the most important basic requirements of diesel-powered vehicles that they have lower pollutant emissions and fuel consumption. In diesel engines, combustion and engine performance are influenced by the physical and chemical properties of the used fuel. Engine design studies are not enough to increase engine performance and reduce exhaust emissions alone. By adding fuel additives in diesel fuel, the physical and chemical properties of the fuel can be improved. Fuel additives affect engine performance, combustion and emissions positively by exerting catalyst effect during combustion. In this study, n-hexane and n-hexadecane were added in diesel fuel (D0) by volume of 4, 12 % and 20 %. With respect to D0 fuel, in DHD20 and DHX20 fuels engine torque increased by 1.60 % and 1.32 %, respectively, while the brake specific fuel consumption decreased by 3.12 % and 1.98 %, respectively. Maximum cylinder pressures and heat release rate values of the ingredient added fuels increased. It was seen that NOx emissions increased while HC, CO and soot emissions decreased with increasing contribution ratio.

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Correspondence to Cihan Bayindirli.

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Recommended by Associate Editor Jeong Park

C. Bayındırlı received his Post Graduate degree in Automotive Engineering from Selcuk University, Konya, Turkey in 2008. He received his Ph.D. degree in Automotive Engineering from Gazi University, Ankara, Turkey in 2015. He is currently working as Assistant Professor in Nigde Omer Halisdemir University Niğde Vocational School of Technical Sciences for three years. He studies on vehicle aerodynamic in CFD and wind tunnel, internal combustion engines and alternative motor fuels.

M. Çelik received his Post Graduate degree in Automotive Engineering from Selcuk University, Konya, Turkey in 2005. He received his Ph.D. degree in Automotive Engineering from Gazi University, Ankara, Turkey in 2015. He is currently working as Assistant Professor of Vocational School of Technical Sciences, Nigde Omer Halisdemir University, Niğde, Turkey for a period of 3 years. He has 16 years of teaching experience. His research interests include energy, combustion and fuel additives.

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Bayindirli, C., Celik, M. Investigation of combustion and emission characteristics of n-hexane and n-hexadecane additives in diesel fuel. J Mech Sci Technol 33, 1937–1946 (2019). https://doi.org/10.1007/s12206-019-0344-8

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  • DOI: https://doi.org/10.1007/s12206-019-0344-8

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