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Detonation in a Three-Dimensional Elbowed Channel

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Abstract

The results of simulation of detonation in a curved three-dimensional channel with a circular cross section of constant width blown through by a supersonic flow of a stoichiometric propane−air mixture are presented. In the bending zone, the channel wall was toroidal. The study was carried out within the framework of the one-stage combustion kinetics by the numerical method based on Godunov’s scheme in the original software package developed for multiparameter calculations and visualization of flows. The initiation of detonation occurs as a result of the formation of the shockwave configurations associated with the flow turn in the channel. Unsteady flow patterns are obtained, and their dependence on the parameters of the problem is investigated. The flow regime without detonation, the mode with the detonation wave emerging from the channel through the input cross section, and the mode with steady detonation are obtained.

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Authors and Affiliations

  1. Zhukovskii Central Institute of Aerohydrodynamics, Zhukovskii, Moscow oblast, 140160, Russia

    I. S. Manuylovich

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  1. I. S. Manuylovich
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Correspondence to I. S. Manuylovich.

Additional information

Original Russian Text © I.S. Manuylovich, 2018, published in Doklady Akademii Nauk, 2018, Vol. 479, No. 1, pp. 25–28.

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Manuylovich, I.S. Detonation in a Three-Dimensional Elbowed Channel. Dokl. Phys. 63, 121–124 (2018). https://doi.org/10.1134/S1028335818030023

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  • DOI: https://doi.org/10.1134/S1028335818030023

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