Effect of additives on the formation of insolubles in a jet fuel
Conference
·
OSTI ID:45064
- Wright Lab., Wright-Patterson AFB, OH (United States)
- Systems Research Laboratories, Inc., Dayton, OH (United States)
Dynamic near-isothermal techniques have proven to be valuable in assessing the tendency of aviation fuels to form surface and bulk insolubles under thermal stress. These methods are applied in this study to the investigation of the neat Jet-A fuel POSF-2827 and changes introduced by a series of four candidate additives. In each case fuel is stressed while flowing through a heat exchanger under near-isothermal conditions at 185{degrees}C. The average surface deposition rate as a function of stress duration and the quantity of both surface and bulk insolubles have been determined after complete consumption of the dissolved oxygen. The additives, introduced individually, include a common antioxidant, a metal deactivator, a dispersant, and a combination detergent/dispersant. Of the four additives, only the dispersant-types are found to improve fuel thermal stability.
- Research Organization:
- USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States). Office of Technical Management
- OSTI ID:
- 45064
- Report Number(s):
- CONF-941022--Vol.1; ON: DE95008873; CNN: Contract F33615-90-C-2033
- Country of Publication:
- United States
- Language:
- English
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