Original Article

Shock Waves

, Volume 18, Issue 2, pp 107-115

Mechanism of detonation of emulsion explosives with microballoons

  • A. E. MedvedevAffiliated withKhristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences Email author 
  • , V. M. FominAffiliated withKhristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences
  • , A. Yu. ReshetnyakAffiliated withKhristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences

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Abstract

A mechanism of detonation of emulsion explosives containing microballoons in finite-diameter charges is described. A parametric dependence of the detonation velocity on the charge characteristics is obtained. The fact that the reaction-zone width increases with decreasing charge porosity is explained. It is shown that the emulsion does not completely burn out at the Chapman-Jouguet point. Final formulas for calculating the reaction time and reaction-zone width are given.

Keywords

Detonation Emulsion explosives Microballoons

PACS

47.70.Pq 82.33.Vx