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Science and Technology of Energetic Materials

Vol.79, No.3 (2018)

Letter

Thermal analysis of hydroxylammonium nitrate based monopropellant : effect of heating rate and reaction temperature
Rachid Amrousse, Toshiyuki Katsumi, Yuji Mishima, and Keiichi Hori
p.89-92

Abstract

For the first time, hydroxylammonium nitrate (HAN)-based monopropellant has been thermally and catalytically decomposed at high heating rate of about 128 ℃ min-1. The obtained results have been compared with lower heating of 8 ℃ min-1. DIP-MS technique showed that the intensity of ejected gas are higher in the case of high heating rate and the catalyst enhances them at low heating rate. Otherwise, it can be seen that pyrolyzer showed two decomposition steps for SHP163 decomposition at low temperature of 280 ℃ and only one step at high temperature of about 1040 ℃. The major gas detected are relatively similar using both techniques.

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Keywords

high heating rate, pyrolyzer, monopropellant, electronic ionization

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