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Fizika Goreniya i Vzryva, 2015, Volume 51, Issue 3, Pages 60–69
DOI: https://doi.org/10.15372/FGV20150309
(Mi fgv229)
 

This article is cited in 2 scientific papers (total in 2 papers)

Discrete combustion waves of two-dimensional nanocomposites

S. A. Rashkovskiya, A. Yu. Dolgoborodovbc

a Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, 119526, Russia
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 127412, Russia
c National Research Nuclear University MEPhI(Moscow Engineering Physics Institute), Moscow, 115409, Russia
Full-text PDF (222 kB) Citations (2)
Abstract: A combustion model for a thin heat-conducting film with discrete, chemically active hot spots distributed on its surface is proposed. An equation describing the combustion of such a system is derived, and exact analytical solutions of this equation for periodic arrangement of hot spots on the film surface are found. The sensitivity of burning rate to changes in the initial temperature of the system depending on its main parameters is determined. It is shown that the system has critical parameters (film thickness, hot spot concentration, and initial temperature) that define the limits of its combustion. With large concentrations of hot spots on the film surface, it is theoretically possible to reach burning rates that significantly exceed the speed of sound in the ambient gas. The proposed combustion model provides a qualitative explanation of the high burning rate of mechanoactivated nanocomposites and allows one to understand the influence of mechanoactivation on combustion of powder mixtures.
Keywords: two-dimensional nanocomposites, mechanoactivation, combustion, temperature sensitivity of the burning rate, critical conditions.
Received: 28.11.2013
Revised: 03.10.2014
English version:
Combustion, Explosion and Shock Waves, 2015, Volume 51, Issue 3, Pages 338–346
DOI: https://doi.org/10.1134/S0010508215030090
Bibliographic databases:
Document Type: Article
UDC: 536.46
Language: Russian
Citation: S. A. Rashkovskiy, A. Yu. Dolgoborodov, “Discrete combustion waves of two-dimensional nanocomposites”, Fizika Goreniya i Vzryva, 51:3 (2015), 60–69; Combustion, Explosion and Shock Waves, 51:3 (2015), 338–346
Citation in format AMSBIB
\Bibitem{RasDol15}
\by S.~A.~Rashkovskiy, A.~Yu.~Dolgoborodov
\paper Discrete combustion waves of two-dimensional nanocomposites
\jour Fizika Goreniya i Vzryva
\yr 2015
\vol 51
\issue 3
\pages 60--69
\mathnet{http://mi.mathnet.ru/fgv229}
\crossref{https://doi.org/10.15372/FGV20150309}
\elib{https://elibrary.ru/item.asp?id=23767571}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2015
\vol 51
\issue 3
\pages 338--346
\crossref{https://doi.org/10.1134/S0010508215030090}
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  • https://www.mathnet.ru/eng/fgv/v51/i3/p60
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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