Abstract
Numerical calculations using a model of unsteady combustion of melting energetic materials were performed to simulate the results of qualitative experiments on the ignition and quenching of energetic materials by a light pulse. The parameters of the model composition were chosen to correspond to combustion with the burning-rate control reaction in the gas phase to ensure the stability of self-sustained combustion after the cessation of irradiation. Regions of stable ignition in the coordinates “radiant flux amplitude-irradiation time” were obtained for compositions with different transparency for igniting pulses of three shapes: rectangular, linearly decreasing to zero, and exponentially decreasing. Extinction conditions of the steadily burning composition by a rectangular light pulse were calculated.
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Original Russian Text © L.K. Gusachenko, V.E. Zarko, A.D. Rychkov.
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Translated from Fizika Goreniya i Vzryva, Vol. 48, No. 1, pp. 80–88, January–February, 2012.
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Gusachenko, L.K., Zarko, V.E. & Rychkov, A.D. Ignition and extinction of homogeneous energetic materials by a light pulse. Combust Explos Shock Waves 48, 73–80 (2012). https://doi.org/10.1134/S0010508212010108
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DOI: https://doi.org/10.1134/S0010508212010108