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Fizika Goreniya i Vzryva, 2012, Volume 48, Issue 1, Pages 130–134 (Mi fgv984)  
Initiation of a passive explosive charge through a target with gaps

V. A. Ogorodnikova, A. V. Romanova, E. A. Goncharovb, A. I. Davydovb, I. A. Sviridovab

a Institute of Experimental Gas Dynamics and Explosion Physics, All-Russian Research Institute of Experimental Physics (VNIIEF), Russian Federal Nuclear Center, Sarov
b Institute of Experimental Physics, Institute of Theoretical and Computational Physics, Russian Federal Nuclear Center, Sarov
Abstract: Experimental data on the measurement of time of passive explosive initiation by an active charge through an inert target with air gaps are presented. Two types of gaps are considered: perpendicular to the passive charge (a slit in the inert target) and parallel to the surface of the passive charge (between the inert target and the passive explosive). In the case of gaps parallel to the surface of the passive explosive charge, two-wave loading of the passive explosive charge created by impacts of thin plates, which are located on the surface of the main target on the side facing the passive explosive charge, is studied. Experimental data are analyzed by numerical calculations with the EGAK software on a Eulerian grid, and the instant of initiation is determined by a criterial parameter $F$, which is proportional to the energy released in shear strains, when a shock wave passes through the passive explosive charge.
Keywords: gap, target, passive charge, detonation, overtake, delay.
Received: 20.11.2010
English version:
Combustion, Explosion and Shock Waves, 2012, Volume 48, Issue 1, Pages 119–123
DOI: https://doi.org/10.1134/S0010508212010157
Bibliographic databases:
Document Type: Article
UDC: 534.222.2
Language: Russian
Citation: V. A. Ogorodnikov, A. V. Romanov, E. A. Goncharov, A. I. Davydov, I. A. Sviridova, “Initiation of a passive explosive charge through a target with gaps”, Fizika Goreniya i Vzryva, 48:1 (2012), 130–134; Combustion, Explosion and Shock Waves, 48:1 (2012), 119–123
Citation in format AMSBIB
\Bibitem{OgoRomGon12}
\by V.~A.~Ogorodnikov, A.~V.~Romanov, E.~A.~Goncharov, A.~I.~Davydov, I.~A.~Sviridova
\paper Initiation of a passive explosive charge through a target with gaps
\jour Fizika Goreniya i Vzryva
\yr 2012
\vol 48
\issue 1
\pages 130--134
\mathnet{http://mi.mathnet.ru/fgv984}
\elib{https://elibrary.ru/item.asp?id=17706497}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2012
\vol 48
\issue 1
\pages 119--123
\crossref{https://doi.org/10.1134/S0010508212010157}
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