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Effect of distributed injection of air into the afterburning chamber of a ram-rocket engine on the efficiency of combustion of boron particles

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

A mathematical model of combustion of boron particles in a ram-rocket engine is developed. The boron combustion efficiency for one-stage and two-stage injection of air into the afterburning chamber is calculated. It is demonstrated that two-stage injection of air sometimes allows the time of complete combustion of boron particles to be significantly reduced (by a factor of 1.5–3); thus, the fuel combustion efficiency in the ram-rocket engine can be increased. The simulated results are consistent with available experimental data.

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Authors and Affiliations

  1. Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, 119526, Russia

    S. A. Rashkovskii

  2. Federal Center for Dual-Use Technologies “Soyuz,”, Dzerzhinskii, 140090, Russia

    Yu. M. Milekhin & A. V. Fedorychev

Authors
  1. S. A. Rashkovskii
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  2. Yu. M. Milekhin
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  3. A. V. Fedorychev
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Correspondence to S. A. Rashkovskii.

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Original Russian Text © S.A. Rashkovskii, Yu.M. Milekhin, A.V. Fedorychev.

Published in Fizika Goreniya i Vzryva, Vol. 53, No. 6, pp. 38–52, November–December, 2017.

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Rashkovskii, S.A., Milekhin, Y.M. & Fedorychev, A.V. Effect of distributed injection of air into the afterburning chamber of a ram-rocket engine on the efficiency of combustion of boron particles. Combust Explos Shock Waves 53, 652–664 (2017). https://doi.org/10.1134/S0010508217060053

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  • DOI: https://doi.org/10.1134/S0010508217060053

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