Miscibility of Aviation Turbine Engine Fuels Containing Various Synthetic Components

Urszula Kaźmierczak, Wojciech Dzięgielewski and Andrzej Kulczycki ()
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Urszula Kaźmierczak: Air Force Institute of Technology, ul. Księcia Bolesława 6, 01-494 Warsaw, Poland
Wojciech Dzięgielewski: Air Force Institute of Technology, ul. Księcia Bolesława 6, 01-494 Warsaw, Poland
Andrzej Kulczycki: Air Force Institute of Technology, ul. Księcia Bolesława 6, 01-494 Warsaw, Poland

Energies, 2022, vol. 15, issue 17, 1-25

Abstract: This article reviews a study of the impact of synthetic biocomponents on the operational properties of aviation turbine engine fuels. The objective of the research was to simulate the functioning of aircraft fuel supply systems during the popularization of synthetic components and to provide a preliminary study of the impact of particles of various synthetic components on processes within aviation turbine engine fuel systems—particularly the aviation turbine engine combustion system. The authors produced Jet A-1 fuel blends with two selected synthetic components A and B, accepted as per the ASTM D4054 procedure. The concentrations of each of the components were selected to simulate fuel compositions in an aircraft tank that could result from supplying fuel with different synthetic components. Such blends were studied using selected laboratory tests, lubricity using the BOCLE rig and an engine test using the MiniJetRig stand. The parameters of the following power functions were adopted as criteria for a comparison of the combustion process involving fuels of various chemical structure: CO = am f n and (T 3max − T 2 )/(T 3min − T 2 ) = a 11 m f n1 , where CO—carbon monoxide content in exhaust gas; T 3max —maximum combustion chamber temperature; T 3min —minimum combustion chamber temperature; T 2 —temperature upstream the combustion chamber; m f —fuel mass flow rate. The test results for blends containing both synthetic components A and B were compared with change trends of similar parameters in fuels containing single synthetic components. Hard-to-predict and hard-to-define trend line deviations for the blends of both components A and B were observed. The obtained research results indicated a need to study the miscibility of fuels containing various synthetic components and to improve miscibility research methodologies.

Keywords: aviation fuels; biofuels; hydrocarbon structure; synthetic components; combustion process (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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