Abstract
The behavior of spherical combustion waves of gases in inert porous media is described in terms of one- and two-temperature models. Parametric dependences are obtained for the wave velocity and acceleration and for the temperature of the gas and porous medium in the wave. It is shown that in a diverging spherical gas flow, combustion waves initiated at different radii of the sphere converge to the standing wave coordinater *, and in a converging flow, on the other hand, they diverge from it. The experimentally observed propagation behavior of spherical combustion waves is well described by the proposed models.
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References
V. S. Babkin and Yu. M. Laevskii, “Filtration combustion of gases,”Fiz. Goreniya Vzryva,23, No. 5, 49–57 (1987).
N. A. Kakutkina and V. S. Babkin, “Characteristics of steady-state spherical gas combustion waves in inert porous media,”Fiz. Goreniya Vzryva,34, No. 2, 9–19 (1998).
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Translated fromFizika Goreniya i Vzryva, Vol. 35, No. 1, pp. 60–66, January–February 1999
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Kakutkina, N.A., Babkin, V.S. Propagation of spherical gas filtration combustion waves in inert porous media. Combust Explos Shock Waves 35, 53–59 (1999). https://doi.org/10.1007/BF02674386
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DOI: https://doi.org/10.1007/BF02674386