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Study Of Physiochemical Properties Of Selected Military Fuels

Report Number: WADD TR 60-767
Author: Findl, E.
Author: Brande, H.
Author: Edwards, H.
Corporate Author: Inglewood Laboratory, Thompson Products, Inc.
Laboratory: Materials Central
Date of Publication: 1960-12
Pages: 216
Contract: AF 33(616)-3729
Project: 3048
Task: 30178
AD Number: AD0274623


The purpose of the program was to determine certain physical and thermodynamic properties of four selected aircraft fuels. These fuels were MIL-F-5624C grade JP-4, a MIL-F-25558 Grade RJ-1*, MIL-F-25656 Grade JP-6-H, and Decalin, a commercial hydrocarbon mixture of the cis and trans isomers of decahydronapthalene.

Specific properties evaluated were:

1. Equilibrium solubility of air, nitrogen and ethane in the JP-4 and RJ-1 fuels
2. Effect of dissolved air, nitrogen, and ethane on the viscosity of the JP-4 and RJ-1 fuels
3. Effect of dissolved ethane on density of the JP-4 and RJ-1 fuels
4. Effect of pressure level, agitation rate, and rate of pressure change on the evolution rate of air and ethane from the JP-4 and RJ-1 fuels
5. Thermodynamic properties of each of the four test fuels including specific heats, enthalpy, and entropy
6. Vaporization characteristics of each of the test fuels including vapor pressure, equilibrium vaporization curves, minimum reflux curves, variation of vapor molecular weight during minimum reflux distillations, and variation of density during minimum reflux distillations
7. Variation of liquid density as a function of temperature
8. Literature survey correlation compilation for the determination of physical and thermodynamic properties of petroleum fuels.

*Formerly designated as Shell UMF, Grade C

Lockheed Martin Missiles & Fire Control
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