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Ignition and combustion of pyrotechnic compositions based on micro- and nanoparticles of aluminum diboride in air flow in a two-zone combustion chamber

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

This paper presents the experimental study of ignition and combustion of micro- and nanoparticles of aluminum diboride as part of pyrotechnic energy-saturated compositions in a gas generator with an air afterburner chamber and the thermodynamic calculations of combustion of pyrotechnic compositions based on aluminum diboride in air. The discharge of the combustion products from the afterburner chamber is recorded on video. It is shown that replacing micron aluminum diboride by powdered diboride with a mass-average diameter of particles equal to ≈270 nm in the pyrotechnic composition and increasing the pressure in the afterburner chamber cause the combustion efficiency in air to increase by 5–20%.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, 105005, Russia

    D. A. Yagodnikov & A. V. Voronetskii

  2. Federal Research and Production Center “Research Institute of Applied Chemistry”, Sergiyev Posad, 141313, Russia

    V. I. Sarab’ev

Authors
  1. D. A. Yagodnikov
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  2. A. V. Voronetskii
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  3. V. I. Sarab’ev
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Corresponding author

Correspondence to D. A. Yagodnikov.

Additional information

Published in Fizika Goreniya i Vzryva, Vol. 52, No. 3, pp. 51–58, May–June, 2016.

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Yagodnikov, D.A., Voronetskii, A.V. & Sarab’ev, V.I. Ignition and combustion of pyrotechnic compositions based on micro- and nanoparticles of aluminum diboride in air flow in a two-zone combustion chamber. Combust Explos Shock Waves 52, 300–306 (2016). https://doi.org/10.1134/S0010508216030072

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  • DOI: https://doi.org/10.1134/S0010508216030072

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