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Combustion of pressed specimens of heterogeneous systems subjected to a constant axial mechanical load
V. F. Proskudin, E. N. Belyaev Institute of Experimental Physics (VNIIEF), Russian Federal Nuclear Center, Sarov, 607188
Abstract:
The growth dynamics of the height of burning pressed specimens with the specimen ends subjected to a compressive force of constant magnitude is studied using the heterogeneous Ti+C+20% TiC system as an example. It is found that in the examined range of compressive forces 0.1–2 kg/cm$^2$, the growth of the height of the burning specimens with time obeys a linear law; under a compressive force of $\approx$0.1 kg/cm$^2$, the specimen height increases by $\approx$100%, and under a force of $\approx$2 kg/cm$^2$, it increases by about 25%. The method used to measure the growth dynamics of the specimen height during combustion proved a useful tool for the experimental determination of both the burning time of the specimens and the delay in the transfer of combustion through an obstacle.
Keywords:
combustion, elongation of specimens, burning rate, transfer of combustion through an obstacle.
Received: 07.02.2006
Citation:
V. F. Proskudin, E. N. Belyaev, “Combustion of pressed specimens of heterogeneous systems subjected to a constant axial mechanical load”, Fizika Goreniya i Vzryva, 43:3 (2007), 103–109; Combustion, Explosion and Shock Waves, 43:3 (2007), 339–344
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https://www.mathnet.ru/eng/fgv1503 https://www.mathnet.ru/eng/fgv/v43/i3/p103
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