Analysis of Detonation Structure in Porous Explosives
Abstract
The structure of a two-phase steady detonation in a granulated solid propellant has been studied, and existence conditions for a one-dimensional, steady two-phase detonation have been predicted. Ordinary differential equations from continuum mixture theory have been solved numerically to determine steady wave structure. In the limiting case where there is no chemical reactions detonation structure when reaction and gas phase effects are included. The equations predict detonation structure when reaction and gas phase effects are included. In the case where heat transfer and compaction effects are negligible, the model reduces to two-dimensional phase plane. The two-equation model predicts results which are quite similar to those of the full model which suggests that heat transfer and compaction are not important mechanisms in determining the detonation structure. It is found that strong and Chapman- Jouguet (CJ) detonation solutions with a leading gas phase shock and unshocked solid are admitted as are weak and CJ solutions with an unshocked gas and solid. The initial conditions determine which of these solutions is obtained. Detonation theory; Compaction waves; Two phase flow; Granulated explosive states.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1988
- Accession Number
- ADA204254
Entities
People
- D. Scott Stewart
- Herman Krier
- Joseph M. Powers
Organizations
- University of Illinois Urbana–Champaign