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Numerical Simulation of Heterogeneous Combustion of Axisymmetric Porous Objects under Forced Filtration and Natural Convection

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

A numerical model for heterogeneous combustion of axisymmetric porous objects has been proposed which allows simulating processes under both forced filtration and natural convection. The influence of the location of the ignition zone on combustion in a cylindrical porous reactor has been investigated. It has been shown that under forced filtration, the process is similar to the plane case: the combustion wave moves upward and sideways from the ignition source, completely burning out the solid fuel, while the gas tends to bypass hot zones and flow through colder regions. Under natural convection conditions, as in the plane case, vortex gas flows arise in the vicinity of the combustion source at the initial time, which significantly affects the oxidizer supply to the reaction zone. The direction of combustion-wave propagation in the axisymmetric case may significantly differ from that in the plane case.

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Authors and Affiliations

  1. Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041, Vladivostok, Russia

    K. G. Borovik & N. A. Lutsenko

  2. Far Eastern Federal University, 690922, Vladivostok, Russia

    K. G. Borovik & N. A. Lutsenko

Authors
  1. K. G. Borovik
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  2. N. A. Lutsenko
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Correspondence to K. G. Borovik.

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Translated from Fizika Goreniya i Vzryva, 2022, Vol. 58, No. 3, pp. 40-53.https://doi.org/10.15372/FGV20220304.

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Borovik, K.G., Lutsenko, N.A. Numerical Simulation of Heterogeneous Combustion of Axisymmetric Porous Objects under Forced Filtration and Natural Convection. Combust Explos Shock Waves 58, 290–302 (2022). https://doi.org/10.1134/S0010508222030042

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  • DOI: https://doi.org/10.1134/S0010508222030042

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