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Fizika Goreniya i Vzryva, 2016, Volume 52, Issue 6, Pages 60–69
DOI: https://doi.org/10.15372/FGV20160607
(Mi fgv366)
 

This article is cited in 3 scientific papers (total in 3 papers)

Relationship between the dusty flame propagation velocity and the regime of combustion of fuel particles

N. I. Poletaev

Institute of Combustion and Unconventional Technologies at the Odessa I. I. Mechnikov National University, Odessa, 65082, Ukraine
Full-text PDF (233 kB) Citations (3)
Abstract: A possibility of determining the regime of combustion of individual fuel particles on the basis of the dependence of the flame velocity on the fuel and oxidizer concentrations is considered by an example of a dusty flame of fine-grain metal particles with diameters $d_{10}<15$ $\mu$m and particle concentrations from $\approx10^{10}-10^{11}$ м$^{-3}$ $\mu$m) in a laminar dusty flame is controlled by diffusion of the oxidizer toward the particle surface, whereas combustion of iron particles of a similar size is controlled by kinetics of heterogeneous reactions. For aluminum particles with $d_{10}= 5-15$ $\mu$m, there are no clearly expressed features of either kinetic or diffusion mode of combustion. To obtain more information about the processes responsible for combustion of fine aluminum particles, the flame velocity is studied as a function of the particle size and initial temperature of the gas suspension. It is demonstrated that aluminum particles under the experimental conditions considered in this study burn in the transitional regime.
Keywords: dusty flame of metals, flame propagation velocity, particle burning law, diffusion and kinetic modes of combustion.
Received: 02.12.2015
Revised: 25.02.2016
English version:
Combustion, Explosion and Shock Waves, 2016, Volume 52, Issue 6, Pages 673–682
DOI: https://doi.org/10.1134/S0010508216060071
Bibliographic databases:
Document Type: Article
UDC: 546.36
Language: Russian
Citation: N. I. Poletaev, “Relationship between the dusty flame propagation velocity and the regime of combustion of fuel particles”, Fizika Goreniya i Vzryva, 52:6 (2016), 60–69; Combustion, Explosion and Shock Waves, 52:6 (2016), 673–682
Citation in format AMSBIB
\Bibitem{Pol16}
\by N.~I.~Poletaev
\paper Relationship between the dusty flame propagation velocity and the regime of combustion of fuel particles
\jour Fizika Goreniya i Vzryva
\yr 2016
\vol 52
\issue 6
\pages 60--69
\mathnet{http://mi.mathnet.ru/fgv366}
\crossref{https://doi.org/10.15372/FGV20160607}
\elib{https://elibrary.ru/item.asp?id=27208948}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2016
\vol 52
\issue 6
\pages 673--682
\crossref{https://doi.org/10.1134/S0010508216060071}
Linking options:
  • https://www.mathnet.ru/eng/fgv366
  • https://www.mathnet.ru/eng/fgv/v52/i6/p60
  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Fizika Goreniya i Vzryva Fizika Goreniya i Vzryva
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