| Abstract: | Some specific features of flame propagation over a gas mixture with a very low value of enthalpy have been studied experimentally
in an evaporative-diffusive regime in various porous media. The combustion wave is shown to propagate steadily in a high-porosity
medium wetted withn-octane at velocities of3–10 cm/sec. We have also studied the effect of the volumetric heat capacity and thermal conductivity of the material of a porous medium
on the velocity and characteristics of flame propagation both in a high-velocity regime for high-enthalpy gas mixtures and
in a low-velocity regime for low-enthalpy ones. The existence conditions of an evaporative-diffusive regime have been considered.
Institute of Chemical Kinetics and Combustion, Siberian Division, Russian Academy of Sciences, Novosibirsk 630090. Translated
from Fizika Goreniya i Vzryva, Vol. 33, No. 3, pp. 76–85, May–June, 1997. |
