On Detonation Diffraction in Condensed-Phase Explosives
Wescott, Bradley L.
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https://hdl.handle.net/2142/87733
Description
Title
On Detonation Diffraction in Condensed-Phase Explosives
Author(s)
Wescott, Bradley L.
Issue Date
2005
Doctoral Committee Chair(s)
D. Scott Stewart
Department of Study
Theoretical and Applied Mechanics
Discipline
Theoretical and Applied Mechanics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Mechanical
Language
eng
Abstract
A recently proposed higher order theory including shock acceleration effects for detonation shock dynamics (DSD) is evaluated for PBX-9502. Comparisons of detonation diffraction in PBX-9502 are made between experiment, multi-material simulations using the calibrated equation of state and reaction rate, and DSD simulations using the computed higher order relation for PBX-9502. The equation of state and reaction rate developed predicts the corner-turning distance for PBX-9502. The higher order DSD relation predicts a small dead zone at the corner, an improvement over the quasi-steady theory.
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