What is it about?
To reduce their fuel related logistic burden, NATO Armed Forces are advancing the use of a single fuel for both aircraft and ground equipment. To this end, F-34 (the commercial equivalent is Jet A-1) is replacing distillate diesel fuel in many applications. However, tests conducted with this kerosene type on High Frequency Reciprocating Rig showed that this type of fuel causes unacceptable wear. This excessive wear is caused by the poor lubricity of aviation fuel. In order to make this type of fuel compatible with direct injection compression engines, seven di-carboxylic acid esters have been tested in order to examine the lubricity improvement of kerosene. Tribological results showed that all esters tested in this series of experiments seem to be suitable for increasing the kerosene lubricity to a satisfactory level.
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Why is it important?
Although the impact of fatty acid esters on the lubricity of automotive diesel has been closely examined, their impact on the tribological properties of aviation fuels for use in compression ignition engines has not been examined in detail.
Perspectives
Single Fuel Policy implementation
Associate Professor Stamatios S. Kalligeros
Hellenic Naval Academy
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This page is a summary of: Effect of dicarboxylic acid esters on the lubricity of aviation kerosene for use in CI engines, Friction, September 2013, Tsinghua University Press,
DOI: 10.1007/s40544-013-0025-z.
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