Investigation of the Influence of Aluminium Hydride AlH3 on the Chemical Composition and Heat of Combustion of Composite Propellants
Journal Title: Problemy Mechatroniki. Uzbrojenie, lotnictwo, inżynieria bezpieczeństwa - Year 2014, Vol 5, Issue 1
Abstract
The influence upon chemical composition and heat of combustion of composite propellant that occurs as a result of substitution of aluminium by its hydride AlH3 is investigated. Propellants based on ammonium chlorate(VII) (NH4ClO4) modified by standard HTPB binder are considered. Chemical composition and thermodynamic parameters of combustion products are evaluated by MWEQ computer program supplied with large species database. The particular attention is paid to proper choose of thermodynamic data describing temperature dependence of heat capacity, enthalpy and entropy of chemical compounds belonging to Al-Cl-O-H group. The alteration of chemical composition and temperature of combustion products that is followed by replacement of Al by AlH3 is illustrated in a quantitative mode. The prospective applicability of AlH3 as an energetic component of composites propellants is confirmed.
Authors and Affiliations
Andrzej PAPLIŃSKI, Bogdan ZYGMUNT
Keywords
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