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Burning Velocities of Pyrotechnic Compositions: Effects of Composition and Granulometry

Author

Listed:
  • Charles Rosères

    (Univ. Orleans, INSA-CVL, PRISME EA 4229, 63 Avenue de Lattre de Tassigny, CEDEX, 18020 Bourges, France
    Nexter Munitions, Energetic Materials and Pyrotechnics Department, 7 Route de Guerry, CEDEX, 18023 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)

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.

Suggested Citation

  • Charles Rosères & Léo Courty & Philippe Gillard & Christophe Boulnois, 2022. "Burning Velocities of Pyrotechnic Compositions: Effects of Composition and Granulometry," Energies, MDPI, vol. 15(11), pages 1-10, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:3942-:d:825046
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