Abstract
Propagation of solid flame over a combustible wire placed at the axis of cylindrical mirror was studied by mathematical modeling in 1D approximation. Wire radius was assumed small compared to mirror radius and width of the reaction zone. The radiative heat flux from a burned wire is partially transferred to the unburned part of the wire according to the reflection law. The use of cylindrical mirror was found to markedly extend the limits of combustion extinction in the system under investigation. Even in case of non-ideal reflection, the combustion temperature and burning velocity can be expected to attain superadiabatic values. The superadiabatic effect increased with increasing intensity of radiative flux and mirror reflectance.
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