Burning Velocities of Pyrotechnic Compositions: Effects of Composition and Granulometry

Charles Rosères, Léo Courty, Philippe Gillard and Christophe Boulnois
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Charles Rosères: Univ. Orleans, INSA-CVL, PRISME EA 4229, 63 Avenue de Lattre de Tassigny, CEDEX, 18020 Bourges, France
Léo Courty: Univ. Orleans, INSA-CVL, PRISME EA 4229, 63 Avenue de Lattre de Tassigny, CEDEX, 18020 Bourges, France
Philippe Gillard: Univ. Orleans, INSA-CVL, PRISME EA 4229, 63 Avenue de Lattre de Tassigny, CEDEX, 18020 Bourges, France
Christophe Boulnois: Nexter Munitions, Energetic Materials and Pyrotechnics Department, 7 Route de Guerry, CEDEX, 18023 Bourges, France

Energies, 2022, vol. 15, issue 11, 1-10

Abstract: Burning velocities of binary and ternary pyrotechnic compositions are measured in gutter. The study focuses on the determination of the joint influence of several parameters: oxidant/reducer ratio, reducer granulometry, and binder content. Measurements are performed following the standard NF T70-541 for burning velocity estimation using an optical acquisition method. Binder content has a linear influence on the burning velocity with a pivot point in slope at supposed stoichiometry. Changing the granulometric class of metallic reducer shows to have different influences before and beyond a 20% diameter reduction.

Keywords: energetic materials; pyrotechnic compositions; burning velocity in gutter; DNAN; Mg; SrO 2 (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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