Theory of two-phase detonation-Part 2; Structure

Journal Article · Fri Jun 01 04:00:00 EDT 1990 · Combustion and Flame; (USA)

DOI:https://doi.org/10.1016/0010-2180(90)90105-Z· OSTI ID:6546584

Powers, J M ^[1]; Stewart, D S; Krier, H ^[2]

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1. Notre Dame Univ., IN (USA). Dept. of Aerospace and Mechanical Engineering
2. Illinois Univ., Urbana, IL (USA)

The structure of a two-phase steady detonation in a granulated solid propellant is studied, and existence conditions for a one-dimensional, steady two-phase detonation are given. Ordinary differential equations from continuum mixture theory are solved numerically to determine steady wave structure. In the limiting case where heat transfer and compaction effects are negligible, the model reduces to two ordinary differential equations that have a clear geometrical interpretation in a two-dimensional phase plane. This two-equation model predicts results that are quite similar to those of the full model. This suggests that in the limited parameter space studied 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 can be admitted, as can weak and CJ solutions with an unshocked gas and solid.

• OSTI ID: 6546584
• Journal Information: Combustion and Flame; (USA), Journal Name: Combustion and Flame; (USA) Vol. 80:3; ISSN 0010-2180; ISSN CBFMA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
421000 -- Engineering-- Combustion Systems
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450100 -- Military Technology
Weaponry
& National Defense-- Chemical Explosions & Explosives
DETONATION WAVES
DETONATIONS
DIFFERENTIAL EQUATIONS
ENERGY TRANSFER
EQUATIONS
FLAME PROPAGATION
FLAMES
FLUID FLOW
FLUIDS
GASES
HEAT TRANSFER
ONE-DIMENSIONAL CALCULATIONS
PHASE STUDIES
PROPELLANTS
SHOCK WAVES
SOLIDS
TWO-DIMENSIONAL CALCULATIONS
TWO-PHASE FLOW