Accession Number : ADA133680

Title :   A Two-Dimensional Numerical Study of Detonation Propagation between Munitions by Means of Shock Initiation.

Descriptive Note : Final rept.,

Corporate Author : ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD

Personal Author(s) : Starkenberg,John ; Huang,Yun K ; Arbuckle,Alvin L

PDF Url : ADA133680

Report Date : Sep 1983

Pagination or Media Count : 35

Abstract : Computations of the flow field resulting when a munition is detonated adjacent to an identical neighbor have been made using the two-dimensional, eulerian, reactive hydrodynamic computer code, 2DE. The code was used to predict the effects of donor initiation site, interrround separation distance, and shielding. The results indicate that a very complicated flow field is produced; that far-side initiation of the donor represents a worst case; that, for rounds separated only by an air space, the shock initiation hazard is maximum at an intermediate interround separation; that even very thin plastic shields which fill the space between the rounds are remarkably effective in reducing the shock initiation hazard; and that when the explosive sensitivity is sufficiently reduced the acceptor is no longer initiated by buildup of the principal shock. The potential usefulness of 2DE in predicting shock initiation has been evaluated.

Descriptors :   *Ammunition, *Sympathetic detonations, *Vulnerability, Hydrodynamic codes, Two dimensional, Shock waves, Shielding, Flow fields, Separation, Sensitivity, Explosives, Numerical analysis

Subject Categories : Ammunition and Explosives
      Explosions
      Fluid Mechanics
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE