MIX and Instability Growth from Oblique Shock
- Resource Type
- Conference
- Authors
- Source
- Conference: Presented at: 17th Biennial International Conference of the APS Topical Group on Shock Compression of Condensed Matter, Chicago, IL, United States, Jun 26 - Jul 01, 2011
- Subject
- 36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ALUMINIUM
COMPRESSION
GEOMETRY
HYDRODYNAMICS
INSTABILITY
PLASTICS
SHOCK WAVES
TURBULENCE
- Language
- English
We have studied the formation and evolution of shock-induced mix resulting from interface features in a divergent cylindrical geometry. In this research a cylindrical core of high-explosive was detonated to create an oblique shock wave and accelerate the interface. The interfaces studied were between the high-explosive/aluminum, aluminum/plastic, and finally plastic/air. Pre-emplaced surface features added to the aluminum were used to modify this interface. Time sequence radiographic imaging quantified the resulting instability formation from the growth phase to over 60 {micro}s post-detonation. Thus allowing the study of the onset of mix and evolution to turbulence. The plastic used here was porous polyethylene. Radiographic image data are compared with numerical simulations of the experiments.