An investigation of aviation components material compatibility with blends of a Fischer-Tropsch-derived jet fuel with petroleum-derived jet fuels

FUEL 109

John L. Graham,, Environmental Engineering, University of Dayton, 300 College Park, Dayton, OH 45469 and Donald Minus,, Air Force Research Laboratory, US Air Force, AFRL/PRTG, 1790 Loop Road North, Wright Patterson AFB, OH 45433.
A study has been conducted to examine the acute (short-term) response of 29 fuel-wetted materials to a neat Fischer-Tropsch (FT) fuel, select petroleum-derived jet fuels (JP-8s), and various FT/JP-8 blends. This evaluation included an analysis of the materials' chemical responses to the fuels (ie the extraction of components by the fuels and the absorption of fuel by the materials) and volume swell, the latter being taken as the primary measure of the interaction between the fuels and the fuel-wetted materials. Being a synthetically derived material, FT has a similar range of hydrocarbon components; however, FT has a less complex distribution of chemical species than JP-8. Using the variance of properties of the select JP-8 samples to estimate the 90% prediction interval for the entire JP-8 pool and presupposing there are currently no detrimental compatibility issues with current JP-8 samples, a determination is made as to the expected operational performance of FT/JP-8 blends with materials in military aviation systems.

8:00 PM-10:00 PM, Monday, August 20, 2007 BCEC -- Exhibit Hall - B2, Sci-Mix

Coal Conversion to Clean Liquid and Gaseous Fuels
1:25 PM-8:20 PM, Monday, August 20, 2007 Boston Park Plaza -- Chartes River Room, Oral

Division of Fuel Chemistry

The 234th ACS National Meeting, Boston, MA, August 19-23, 2007