Cellular filtration combustion of porous layers |
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| Authors: | S V Kostin P M Krishenik N I Ozerkovskaya A N Firsov K G Shkadinskii |
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| Affiliation: | 1. Institute of Structural Macrokinetics and Materials, Russian Academy of Sciences, Chernogolovka, 142432, Russia
2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, 142432, Russia
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| Abstract: | The cellular filtration combustion of porous energetic compositions that interact with an active gas reagent and form condensed
reaction products is studied for titanium powder combustion as an example. A simple and visually accessible quasi-experimental
analysis of the nonlinear propagation of the combustion front with adjustable filtration transport of gas is proposed. Under
conditions of a deficiency of the gas reagent and instability, the flat front of filtration combustion is divided into isolated
cells of exothermic chemical reaction propagating in a pulsating mode. The results obtained are interpreted within a model
of thermal filtration stability of the filtration combustion front. |
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