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Fizika Goreniya i Vzryva, 2018, Volume 54, Issue 1, Pages 81–91
DOI: https://doi.org/10.15372/FGV20180111
(Mi fgv478)
 

This article is cited in 12 scientific papers (total in 12 papers)

Exit of a heterogeneous detonation wave into a channel with linear expansion. II. Critical propagation condition

A. V. Fedorov, T. A. Khmel, S. A. Lavruk

Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
Abstract: Propagation of a detonation wave in monodisperse suspensions of reacting particles (based on the model of the suspension of aluminum particles in oxygen) in channels with a linearly expanding section is studied within the framework of mechanics of heterogeneous reacting media. Reduced kinetics is described with allowance for the transitional (from diffusion to kinetic) regime of combustion of micron-sized and submicron-sized spherical aluminum particles. The effects of the channel width, particle diameter, and wall angle on propagation conditions and detonation regimes are determined. The critical channel width is found to be a nonmonotonic function of the expansion angle, which is associated with qualitatively different wave patterns behind an oblique step. Flow charts are constructed, and the results are compared with solutions of problems of heterogeneous detonation wave propagation in channels with a step and with sudden expansion.
Keywords: suspension of aluminum particles in a gas, heterogeneous detonation, expanding channel, numerical simulation, detonation propagation chart.
Funding agency Grant number
Russian Foundation for Basic Research 15-08-01947
16-08-00778
Received: 21.04.2017
English version:
Combustion, Explosion and Shock Waves, 2018, Volume 54, Issue 1, Pages 72–81
DOI: https://doi.org/10.1134/S0010508218010112
Bibliographic databases:
Document Type: Article
UDC: 532.529+541.126
Language: Russian
Citation: A. V. Fedorov, T. A. Khmel, S. A. Lavruk, “Exit of a heterogeneous detonation wave into a channel with linear expansion. II. Critical propagation condition”, Fizika Goreniya i Vzryva, 54:1 (2018), 81–91; Combustion, Explosion and Shock Waves, 54:1 (2018), 72–81
Citation in format AMSBIB
\Bibitem{FedKhmLav18}
\by A.~V.~Fedorov, T.~A.~Khmel, S.~A.~Lavruk
\paper Exit of a heterogeneous detonation wave into a channel with linear expansion. II.~Critical propagation condition
\jour Fizika Goreniya i Vzryva
\yr 2018
\vol 54
\issue 1
\pages 81--91
\mathnet{http://mi.mathnet.ru/fgv478}
\crossref{https://doi.org/10.15372/FGV20180111}
\elib{https://elibrary.ru/item.asp?id=32664751}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2018
\vol 54
\issue 1
\pages 72--81
\crossref{https://doi.org/10.1134/S0010508218010112}
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  • https://www.mathnet.ru/eng/fgv/v54/i1/p81
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    This publication is cited in the following 12 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Fizika Goreniya i Vzryva Fizika Goreniya i Vzryva
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