Abstract
Abstract : 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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