Contrails
The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Effects of Additives on the Storage Stability of High-Temperature Fuels

Report Number: AFAPL TR 64-142
Author: Johnston, Robert K.
Author: Anderson, E. L.
Corporate Author: Southwest Research Institute
Laboratory: Air Force Aero Propulsion Laboratory
Date of Publication: 1964-12
Pages: 144
Contract: AF 33(657)-11246
Project: 3048
Task: 304801
AD Number: AD0454998

Abstract:
A study was made of the use of additives to prevent or retard the deterioration of JP-6 fuel thermal stability during storage. Fuel-additive blends were stored at 130 F in sealed 15-gallon steel drums for periods up to 16 weeks. Thermal stability was measured by means of a modified fuel coker developed during this program, using helium pressurization instead of a fuel pump. The standard ASTM-CRC fuel coker and the EppiCRC modified fuel coker were found to be unsuitable for this purpose, owing to contamination of the test sections with pump wear debris. A total of 52 additives were submitted by industry for evaluation, from which 19 were selected by screening tests for inclusion in the hot-room storage program. Three JP-6 fuels were used as the base stocks for additive evaluation. Under storage conditions giving a 100 F decrease in base fuel thermal stability, four additives or combinations of additives were found to be effective in maintaining thermal stability. These results indicate that the use of additives is a feasible approach to solving current problems in this area.


Provenance:
Lockheed Martin Missiles & Fire Control
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