Ignition and Combustion of Liquid Propellants
CALIFORNIA UNIV DAVIS
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A comprehensive experimental program has been conducted to gain fundamental understanding on the gasification and microexplosion characteristics of droplets of water-based liquid gun propellants consisting of hydroxylammonium nitrate and triethanol ammonium nitrate, under atmospheric as well as elevated pressures. Results demonstrate that the propellant microexplosion temperature is around 200 C and is substantially in excess of previously reported values, that liquid-phase reaction plays a key role in the droplet gasification characteristics, and that increasing the environment pressure increases the droplet gasification rate and advances the onset of droplet microexplosion. Keywords Liquid propellants, Ignition, Droplet combustion, Microexplosion.
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