Abstract A kinetic lattice model of heterogeneous detonation reaction is developed which treats localized ignition and grain burning as an integral part of the detonation reaction, and which allows the reaction time to be defined in terms of a large set of competing reaction rates, defined for all the components of an explosive mixture. Coupling the lattice reaction rate equations to hydrothermodynamic equations for non-ideal detonation defines an initial value problem which describes the region of stable detonation. Numerical solution of the problem in velocity-density space leads to a determination of the critical diameter of the explosive as well as to a determination of physical and/or chemical parameters (e.g. loading density and particle size) that can yield nonstable detonations. Examples are shown that predict the explosive group behavior described by Price and the critical diameters for several types of explosive materials.
Detonation and critical diameter of heterogeneous explosives
Acta Astronautica ; 3 , 9-10 ; 795-810
1975-12-04
16 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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