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Fizika Goreniya i Vzryva, 2016, Volume 52, Issue 1, Pages 109–115
DOI: https://doi.org/10.15372/FGV20160113
(Mi fgv295)
 

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

Initiation of PETN detonation by an impactor and a high-enthalpy gas flow

A. P. Ershov, A. O. Kashkarov, È. R. Pruuel

Lavrentyev Institute of Hydrodynamics of Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
Full-text PDF (225 kB) Citations (2)
Abstract: This paper compares two methods of near-threshold initiation of a loose-packed PETN charge: by impact of a plate and by injection of an intense flow of hot gases into the powder. Synchrotron diagnostics of material density was used. Both methods lead to the development of detonation in about 10 $\mu$s, but the nature of initiation differs sharply. Initiation by an impermeable piston involves the formation of a dense plug of compressed material. After some delay, a wave is formed at the front of this plug which initiates chemical reaction and accelerates to normal detonation. For high-enthalpy initiation by a hot gas flow, the compression of the powder is low and the process develops in the gas-permeable material, starting from the stage of rapid convective combustion followed by transition to detonation.
Keywords: initiation, detonation, combustion, deflagration-to-detonation transition.
Received: 18.11.2014
English version:
Combustion, Explosion and Shock Waves, 2016, Volume 52, Issue 1, Pages 96–101
DOI: https://doi.org/10.1134/S0010508216010135
Bibliographic databases:
Document Type: Article
UDC: 662.215.1
Language: Russian
Citation: A. P. Ershov, A. O. Kashkarov, È. R. Pruuel, “Initiation of PETN detonation by an impactor and a high-enthalpy gas flow”, Fizika Goreniya i Vzryva, 52:1 (2016), 109–115; Combustion, Explosion and Shock Waves, 52:1 (2016), 96–101
Citation in format AMSBIB
\Bibitem{ErsKasPru16}
\by A.~P.~Ershov, A.~O.~Kashkarov, \`E.~R.~Pruuel
\paper Initiation of PETN detonation by an impactor and a high-enthalpy gas flow
\jour Fizika Goreniya i Vzryva
\yr 2016
\vol 52
\issue 1
\pages 109--115
\mathnet{http://mi.mathnet.ru/fgv295}
\crossref{https://doi.org/10.15372/FGV20160113}
\elib{https://elibrary.ru/item.asp?id=25604621}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2016
\vol 52
\issue 1
\pages 96--101
\crossref{https://doi.org/10.1134/S0010508216010135}
Linking options:
  • https://www.mathnet.ru/eng/fgv295
  • https://www.mathnet.ru/eng/fgv/v52/i1/p109
  • This publication is cited in the following 2 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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