Abstract

A method for recording fluctuations of physicochemical parameters in a combustion wave in condensed systems is proposed that makes it possible to estimate the frequency of these fluctuations experimentally. Experiments with a Zr+WO3 pyrotechnic mixture using this method show that in the combustion wave there are fluctuation modes with frequencies ≈200 and ≈20 Hz corresponding to characteristic dimensions of heterogeneities of the system of order 0.1 and 1 mm, respectively.

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