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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2013005484
pages 263-274

LOW RADIANT FLUX IGNITABILITY STUDIES

Kevin P. Ford
Naval Air Warfare Center Weapons Division, China Lake, CA 93555-6100
J. J. Haycraft
Naval Air Warfare Center Weapons Division, China Lake, California 93555, USA
Alice I. Atwood
Naval Air Warfare Center Weapons Division, China Lake, CA 93555-6100 USA

ABSTRACT

This paper examines the response of three ammonium perchlorate solid rocket propellants to thermal fluxes ranging from operation scenarios to hazard scenarios found in fast cookoff. Propellant susceptibility to laser operating conditions was also probed. The influence of a pulsed laser system compared to that of a continuous laser beam was examined with the pulsed system providing lower ignition delays. The influence of coated versus noncoated material is explored with the coated material influencing the location of the first light/first gasification line. It also examines the relationship of burning rate and ignitability with higher burning rate materials being easier to ignite than lower burning rate materials.


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