Abstract
A technique for determining the impurity-gas pressure in a combustion wave is proposed. Use was made of a model mixture of titanium with carbon black pressed into a cylindrical shell with a relative density of0.62. When a combustion wave passes through the point at which the force of friction of the residual matter against the shell wall becomes equal to the force caused by the action of the gas pressure at the combustion front, fracture and a shift of the unburnt part of the matter along the shell occur in the specimen. The friction force for charges of various lengths was calibrated to determine the pressure that causes the specimen to break. The dependence of the pressure on the specific gas evolution of the charge is a monotonically increasing function.
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