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Fizika Goreniya i Vzryva, 2020, Volume 56, Issue 6, Pages 107–115
DOI: https://doi.org/10.15372/FGV20200611 (Mi fgv726) 		 
Detonation mechanism of PETN explosives with sodium hydrocarbonate

I. A. Spirin, D. A. Pronin, E. S. Mitin, V. G. Simakov, V. A. Bragunets, A. V. Tsvetkov, E. E. Shestakov, Yu. M. Sustaeva, O. V. Shevlyagin, S. A. Vakhmistrov

All-Russian Research Institute of Experimental Physics (VNIIEF), Institute of Experimental Gas Dynamics and Detonation Physics, Russian Federal Nuclear Center, 607190, Sarov, Russia
DOI: https://doi.org/10.15372/FGV20200611
Abstract: The detonation of mixtures of highly dispersed PETN with sodium bicarbonate with a mass fraction of the latter up to $90\%$ is investigated using radio-interferometric and electron-optical (NANOGATE-22) methods along with a method using a PVDF pressure sensor. The experimental results obtained indicate the possibility of the existence of various detonation regimes in mixtures. If the mass fraction of $\mathrm{NaHCO}_3\le 85\%$, the detonation wave propagation is mainly due to shock compression. At a higher $\mathrm{NaHCO}_3$ content $(90\%)$, the jets of explosion products predominantly serve as propagation agents.
Keywords: explosive, detonation wave, explosive combustion, explosion products, photo registration, piezoelectric pressure sensor, radio-interferometric method.
Received: 20.09.2019
Revised: 23.12.2019
Accepted: 24.12.2019
English version:
Combustion, Explosion and Shock Waves, 2020, Volume 56, Issue 6, Pages 716–724
DOI: https://doi.org/10.1134/S0010508220060118
Bibliographic databases:
Document Type: Article
UDC: 544.452
Language: Russian
Citation: I. A. Spirin, D. A. Pronin, E. S. Mitin, V. G. Simakov, V. A. Bragunets, A. V. Tsvetkov, E. E. Shestakov, Yu. M. Sustaeva, O. V. Shevlyagin, S. A. Vakhmistrov, “Detonation mechanism of PETN explosives with sodium hydrocarbonate”, Fizika Goreniya i Vzryva, 56:6 (2020), 107–115; Combustion, Explosion and Shock Waves, 56:6 (2020), 716–724
Citation in format AMSBIB
\Bibitem{SpiProMit20}
\by I.~A.~Spirin, D.~A.~Pronin, E.~S.~Mitin, V.~G.~Simakov, V.~A.~Bragunets, A.~V.~Tsvetkov, E.~E.~Shestakov, Yu.~M.~Sustaeva, O.~V.~Shevlyagin, S.~A.~Vakhmistrov
\paper Detonation mechanism of PETN explosives with sodium hydrocarbonate
\jour Fizika Goreniya i Vzryva
\yr 2020
\vol 56
\issue 6
\pages 107--115
\mathnet{http://mi.mathnet.ru/fgv726}
\crossref{https://doi.org/10.15372/FGV20200611}
\elib{https://elibrary.ru/item.asp?id=44480684}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2020
\vol 56
\issue 6
\pages 716--724
\crossref{https://doi.org/10.1134/S0010508220060118}
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