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Combustion properties of a low-vulnerability propellant: an experimental and theoretical study using laser ignition

Abstract : Ignition and combustion characteristics of a low-vulnerability propellant based on RDX are studied experimentally. Ignition is obtained using a laser diode. Experiments are performed in a cylindrical closed-volume reactor for different initial pressures and initial propellant masses under nitrogen and argon surrounding atmospheres. Ignition delays, maximal overpressures, and propagation rates are obtained for different initial pressures and laser powers. Thermodynamic predictions of overpressures are also compared with experimental ones. Finally, ignition probabilities for different laser powers and gaseous atmospheres are investigated using a revised Langlie method.
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https://hal.archives-ouvertes.fr/hal-01811785
Contributor : Jean-François Lagrange Connect in order to contact the contributor
Submitted on : Sunday, June 10, 2018 - 2:25:08 PM
Last modification on : Wednesday, November 3, 2021 - 7:33:37 AM

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Philippe Gillard, Léo Courty, Stéphanie de Persis, Jean-François Lagrange, Christophe Boulnois, et al.. Combustion properties of a low-vulnerability propellant: an experimental and theoretical study using laser ignition. Journal of Energetic Materials, Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2018, 36 (3), pp.1 - 13. ⟨10.1080/07370652.2018.1439126⟩. ⟨hal-01811785⟩

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