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Experimental study of the unsteady burning rate of high-energy materials under depressurization
V. A. Arkhipova, S. A. Basalaeva, S. S. Bondarchukb, O. G. Glotovc, V. A. Poryazova, Ya. A. Dubkovaa a National Research Tomsk State University, 634050, Tomsk, Russia
b Tomsk State Pedagogical University, 634061, Tomsk, Russia
c Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia
Abstract:
This paper describes the method and results of an experimental study of unsteady burning rate of high-energy materials containing metal powder additives under depressurization at a rate of 140–160 MPa/s. A method based on stating and solving the inverse problem of internal ballistics is used to determine the unsteady burning rate. The studies are carried out for high-energy materials, including energy additives in the form of metal powders (ASD-4, ASD-6, and Alex aluminum), aluminum diboride, and dodecaboride. It is shown by analyzing the results of the study that the unsteady burning rate of high-energy materials under sharp depressurization is oscillatory and depends on energy additive type.
Keywords:
high-energy material, metal powders, depressurization, unsteady burning rate, experimental study.
Received: 04.05.2022 Revised: 11.07.2022
Citation:
V. A. Arkhipov, S. A. Basalaev, S. S. Bondarchuk, O. G. Glotov, V. A. Poryazov, Ya. A. Dubkova, “Experimental study of the unsteady burning rate of high-energy materials under depressurization”, Fizika Goreniya i Vzryva, 59:2 (2023), 133–140; Combustion, Explosion and Shock Waves, 59:2 (2023), 244–251
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https://www.mathnet.ru/eng/fgv924 https://www.mathnet.ru/eng/fgv/v59/i2/p133
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