A quartz crystal microbalance (QCM)/Parr bomb system with a headspace oxygen sensor is used to measure oxidation and deposition during thermal oxidative stressing of jet fuel. The advantages of the oxygen sensor technique in monitoring fuel oxidation is demonstrated. Simultaneous measurement of deposition using the QCM shows a strong correlation between oxidation and deposition in jet fuels. Studies performed over the temperature range 140 to 180°C show that surface deposition peaks at an intermediate temperature, while bulk deposition increases with temperature. In studies of jet fuel antioxidants, we find that rapid increases in oxidation rate occur upon consumption of the antioxidant. The antioxidant appears to be consumed by reaction with alkylperoxy radicals. In studies of metal deactivator (MDA) additives, we find that MDA is consumed during thermal stressing, and this consumption results in large increases in the oxidation rate of metal containing fuels. Mechanisms of MDA consumption are hypothesized.
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July 1998
Research Papers
Aspects of Jet Fuel Oxidation
S. Zabarnick,
S. Zabarnick
University of Dayton Research Institute, Aerospace Mechanics Division, 300 College Park/KL 463, Dayton, OH 45469-0140
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S. D. Whitacre
S. D. Whitacre
University of Dayton Research Institute, Aerospace Mechanics Division, 300 College Park/KL 463, Dayton, OH 45469-0140
Search for other works by this author on:
S. Zabarnick
University of Dayton Research Institute, Aerospace Mechanics Division, 300 College Park/KL 463, Dayton, OH 45469-0140
S. D. Whitacre
University of Dayton Research Institute, Aerospace Mechanics Division, 300 College Park/KL 463, Dayton, OH 45469-0140
J. Eng. Gas Turbines Power. Jul 1998, 120(3): 519-525 (7 pages)
Published Online: July 1, 1998
Article history
Received:
March 7, 1997
Online:
November 19, 2007
Citation
Zabarnick, S., and Whitacre, S. D. (July 1, 1998). "Aspects of Jet Fuel Oxidation." ASME. J. Eng. Gas Turbines Power. July 1998; 120(3): 519–525. https://doi.org/10.1115/1.2818177
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