1967-02-01

Emulsified Jet Engine Fuel 670365

The objective of preparing emulsified jet fuel is to reduce the possibility of in-flight or post-crash fires. Two high internal phase JP-4 fuel emulsions containing 3% external emulsifying phase were developed which have reduced flammability and are engine consumable with low residual ash. One of the emulsions is designed to permit JP-4 recovery for use in other vehicles.
External phase characteristics are described which provide lowered JP-4 volatility and flammability, and which give emulsions stable at −20 to 135 F, are completely resistant to 500 g accelerations, and are corrosion resistant. The effectiveness of various types of emulsifiers and their peculiar requirement for these emulsions are discussed. Preparation, storage, pumpability, and other emulsion characteristics are described.

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