Evaluation of Combustion Stability and Exhaust Emissions of a Stationary Compression Ignition Engine Powered by Diesel/n-Butanol and RME Biodiesel/n-Butanol Blends

Wojciech Tutak (), Arkadiusz Jamrozik and Karol Grab-Rogaliński
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Wojciech Tutak: Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Arkadiusz Jamrozik: Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Karol Grab-Rogaliński: Department of Thermal Machinery, Czestochowa University of Technology, 42-201 Czestochowa, Poland

Energies, 2023, vol. 16, issue 4, 1-29

Abstract: In recent years, the interest in renewable fuels has increased mainly due to regulations regulating the permissible limits of toxic components of exhaust gases emitted by reciprocating engines. This paper presents the results of a comparison of the effects of fueling a compression-ignition piston engine with a mixture of diesel fuel and n-butanol, as well as RME (Rapeseed Oil Methyl Esters) biodiesel and n-butanol. The tests were carried out for a constant load and a wide energetic share of fuels in the mixture. The main focus was on the assessment of combustion stability, the uniqueness of the combustion stages, and the assessment of the fuel type influence on the CA50 angle. The tests show that RME offers the possibility of efficient combustion with n-butanol with up to 80% energy share. The share of n-butanol has a positive effect on the engine’s efficiency and very effectively reduces soot emissions. Without the influence on COV IMEP , the share of n-butanol up to 40% in the mixture with diesel fuel and up to 80% in the mixture with RME was recorded. Combustion of RME with n-butanol was more stable. The share of n-butanol in the mixture with diesel fuel caused an increase in NO x emissions, and co-combustion with RME caused a decrease in emissions.

Keywords: engine; n-butanol; combustion; emission; combustion stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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