Characterization of Particle Emissions from a DGEN 380 Small Turbofan Fueled with ATJ Blends

Remigiusz Jasiński, Paula Kurzawska and Radosław Przysowa
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Remigiusz Jasiński: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Paula Kurzawska: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Radosław Przysowa: Instytut Techniczny Wojsk Lotniczych (ITWL), ul. Ksiecia Boleslawa 6, 01-494 Warsaw, Poland

Energies, 2021, vol. 14, issue 12, 1-12

Abstract: The fine particulate matter (PM) emitted from jet aircraft poses a serious threat to the environment and human health which can be mitigated by using biofuels. This paper aims to quantify PM emissions from a small turbofan fueled with the alcohol to jet (ATJ) synthetic kerosene and its various blends (5%, 20%, and 30% of ATJ) with Jet A-1 fuel. Emissions from a turbofan engine (DGEN 380) with a high bypass ratio, applicable in small private jets, were studied. Among the four fuels tested, the PM-number emission index (EI N ) was the lowest for the ATJ 30% blend. EI N for ATJ 30% dropped from 1.1 × 10 17 to 4.7 × 10 16 particles/kg of fuel. Burning alternative fuel blends reduced the particle mass emissions over the entire range of fuel flow by at least 117 mg/kg of fuel. The particles formed in the nucleation mechanism dominate PM emission, which is characteristic of jet engines. Thus, number-based particle size distributions (PSDs) exhibit a single mode log-normal distribution. The highest values of EI N were found for Jet A-1 neat compared to other fuels. The use of the ATJ additive did not cause significant changes in the size of the particles from nucleation mode. However, a magnitude reduction of nucleation mode was found with the increase in the ATJ ratio.

Keywords: alcohol-to-jet; alternative fuel; emission; particles; particulate matter (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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