Abstract
The processes of attenuation and suppression of detonation in gas suspensions of aluminum particles by extended clouds of inert particles are studied on the basis of numerical simulations of two-dimensional flows. The normalized detonation velocity is found as a function of the concentration of inert particles. The conditions of detonation failure are determined for non-stoichiometric mixtures with oxygen and for the case with concentration gradients across the channel. It is demonstrated that a one-dimensional approach has certain limitations in determining the detonation failure criteria because transverse waves of cellular detonation favor its re-initiation. Sufficient conditions of detonation suppression for 1-\(\mu\)m particles are determined.
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Translated from Fizika Goreniya i Vzryva, 2023, Vol. 59, No. 3, pp. 61-73. https://doi.org/10.15372/FGV20230305.
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Khmel, T.A., Lavruk, S.A. Interaction of Cellular Detonation in Aluminum Particle Suspensions with Nonuniform Concentrations and Clouds of Inert Particles. Combust Explos Shock Waves 59, 308–320 (2023). https://doi.org/10.1134/S001050822303005X
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DOI: https://doi.org/10.1134/S001050822303005X