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Detonation of highly dilute porous explosives. II. Influence of inert additive on the structure of the front, the parameters, and the reaction time

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Combustion, Explosion and Shock Waves Aims and scope

Conclusions

  1. 1.

    For the detonation of porous explosives with inert additives, as for the detonation of individual porous explosives, the basic postulates and conclusions of the modern gasdynamic theory of detonation are valid.

  2. 2.

    The influence of solid, refractory inert additives on the decomposition mechanism of porous explosives depends on the individual properties of the explosives and mainly on the dispersity of the additives. With the elimination of pronounced heating of the additives in mixtures with TNT, a certain positive influence on the appearance of decomposition sources and the total reaction time is observed. In cases with hexogen, no such influence is observed, which is evidently the result of physical inhomogeneity of the porous structure of the charge and the sufficiently high detonation pressures of the mixtures.

  3. 3.

    The basic influence of inert additives on the critical diameter, front structure, detonation parameters, and reaction time of porous explosives is exerted through processes of energy absorption in the reaction region. Any factors leading to energy losses may lead to ambiguity of the detonation conditions in a system with specified chemical potential energy.

  4. 4.

    The state of the additive in the reaction region must be taken into account for reliable theoretical description of the detonation conditions of porous explosives with a large content of inert additives.

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Authors
  1. K. K. Shvedov
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  2. A. I. Aniskin
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  3. A. N. Il'in
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  4. A. N. Dremin
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Additional information

Chernogolovka. Translated from Fizika Goreniya i Vzryva, Vol. 18, No. 1, pp. 79–90, January–February, 1982.

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Shvedov, K.K., Aniskin, A.I., Il'in, A.N. et al. Detonation of highly dilute porous explosives. II. Influence of inert additive on the structure of the front, the parameters, and the reaction time. Combust Explos Shock Waves 18, 64–74 (1982). https://doi.org/10.1007/BF00783934

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  • DOI: https://doi.org/10.1007/BF00783934

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