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Destruction of the surface layer of nitroglycerin powder during ignition at various initial temperatures
A. G. Knyazevaa, V. T. Kuznetsovb a Tomsk State University, Tomsk 634050
b Research Institute of Applied Mathematics and Mechanics, Tomsk 634050
Abstract:
Destruction of the surface of nitroglycerin powder during ignition was detected experimentally. It was shown that the degree of destruction depends on the power of the external source, initial temperature, and exposure time. A model of ignition of a solid propellant is proposed which takes into account the occurrence of stresses and deformations in the surface layer during initiation of the chemical reaction. The characteristics of ignition and the degree of destruction are estimated. The results agree qualitatively with experimental data.
Received: 29.07.1994
Citation:
A. G. Knyazeva, V. T. Kuznetsov, “Destruction of the surface layer of nitroglycerin powder during ignition at various initial temperatures”, Fizika Goreniya i Vzryva, 31:4 (1995), 10–19; Combustion, Explosion and Shock Waves, 31:4 (1995), 411–418
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https://www.mathnet.ru/eng/fgv2800 https://www.mathnet.ru/eng/fgv/v31/i4/p10
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