ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29
ISSN Печать: 2150-766X
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International Journal of Energetic Materials and Chemical Propulsion
FUTURE CHEMICAL PROPELLANTS FOR SPACE, DEFENSE, AND COMMERCIAL APPLICATIONS
Groupe Recherche Propulsion, SNPE Matériaux Energétiques CRB, France
Research and development into new solid propellants is usually granted in order to satisfy defense requirements. The energetic products most frequently mentioned in formulation studies are fillers such as ADN (ammonium dinitramide), nitramines, RDX and HMX, HNIW (hexanitro-hexaazaisowurtzitane), HNF (hydrazinium nitroformate), and binders such as GAP (glycidyl azide polymer), PGLYN (polyglycidyl nitrate) and PNMMO (polynitratomethyl-methyl oxetane). The use of GAP and HNIW brings about an increase in volumetric specific impulse of 12% compared to a current XLDB, formulated with an inert polymer and loaded with RDX. The HNIW-based propellants have been assessed successfully in 10-kg grains. They are considered to be suitable for introduction in the development of motors for tactical missiles. The longer-term studies are centred on synthesis and the use of heterocyclic molecules such as the furazanes, furoxanes, tetrazines, etc. For launcher boosters, the main objectives are cost reduction, increased performance and reliability. A first generation of propellant composition could be developed in the near future, by replacing part of the AP content with a different energetic component.
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