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Effect of a Sudden Change in Cross-Sectional Area of the Solid Rocket Motor Duct on Coagulation of Condensed Particles

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Combustion, Explosion and Shock Waves Aims and scope

Abstract

Results of numerical simulations are reported for two-phase flows with allowance for coagulation and fragmentation of particles of polydisperse condensate in the combustor duct of the solid rocket motor (SRM) with a sudden change in cross-sectional area typical of solid-propellant charges of a complex shape. It is shown that a sudden change in cross-sectional area can lead to a significant (multiple) coagulation-induced increase in the mean particle size. The calculation results are validated by a test series on a model SRM with the use of a laser system for diagnosing particle dispersion.

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Authors and Affiliations

  1. Federal Research Center “Altai”, Biisk, 659322

    V. S. Averin

  2. Institute of Applied Mathematics and Mechanics at the Tomsk State University, Tomsk, 634050

    V. A. Arkhipov & N. N. Dyachenko

  3. Tomsk State University, Tomsk, 634050

    I. M. Vasenin & V. F. Trofimov

Authors
  1. V. S. Averin
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  2. V. A. Arkhipov
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  3. I. M. Vasenin
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  4. N. N. Dyachenko
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  5. V. F. Trofimov
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Averin, V.S., Arkhipov, V.A., Vasenin, I.M. et al. Effect of a Sudden Change in Cross-Sectional Area of the Solid Rocket Motor Duct on Coagulation of Condensed Particles. Combustion, Explosion, and Shock Waves 39, 316–322 (2003). https://doi.org/10.1023/A:1023848404506

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  • DOI: https://doi.org/10.1023/A:1023848404506

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