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Unsteady modes of filtration combustion are studied with the use of a three-dimensional mathematical model. The model describes exothermic chemical interaction of condensed systems with active gases and formation of solid products. Unsteadiness of the filtration combustion modes is caused by instability of the plane combustion front. Formation of the periodic structure of the front of combustion of...
The stability of infiltration combustion was explored by mathematical modeling under the assumption that the supply rate for gas reagent to the reaction zone is defined by the rate of chemical reaction, with account of changes in the product mass and thermophysical parameters of condensed components. Investigated were the wave structure, stability limits for steady combustion, and the loss of stability...
The dynamics of thermal explosion in highly caloric “porous reagent + gas reagent → solid product” systems has been analyzed in terms of different theoretical models. The results demonstrate important role of infiltration-mediated gas transport in both the induction and post-induction periods of thermal explosion.
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