Electrical model of detonation kinetics of explosives

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Abstract

To verify the hypothesis of electrical hot spots – channels of local electrical breakdowns – the analysis of the electrical properties of condensed explosives and the evaluation of the electric field strength in shock-loaded dielectrics were carried out. It is established that conditions for electrical breakdowns can be created in the compressed zone of explosives due to polarization phenomena (electric field) and shock-induced electrical conductivity (free electrons). The position of the electric model of detonation kinetics are formulated. The results of experiments with liquid nitromethane and monocrystalline PENT are explained.

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About the authors

V. A. Borisenok

Sarov Institute of Physics and Technology, Branch of National Research Nuclear University “MEPhI”

Author for correspondence.
Email: vaborisenok@mephi.ru
Russian Federation, Sarov

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2. Fig. 1. Mass velocity profile in liquid nitromethane [1]: 1 – IW (8 GPa), 2 – second wave.

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3. Fig. 2. Results of experiments with fluoroplastic (a) and plasticized octogen at IWR amplitudes equal to 1.4 (b), 2.5 (c) and 3.2 GPa (d): 1 – input, 2 – output sensors [52].

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