Investigation of the Richtmyer-Meshkov instability
The present program is centered on the experimental study of shock-induced interfacial fluid instabilities. Both 2-D (near-sinusoids) and 3-D (spheres) initial conditions are studied in a large, vertical square shock tube facility. The evolution of the interface shape, its distortion, the modal growth rates and the mixing of the fluids at the interface are all objectives of the investigation. In parallel to the experiments, calculations are performed using the Raptor code, on platforms made available by LLNL. These flows are of great relevance to both ICF and stockpile stewardship. The involvement of three graduate students is in line with the national laboratories' interest in the education of scientists and engineers in disciplines and technologies consistent with the labs' missions and activities.
- Research Organization:
- University of Wisconsin - Madison
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NA)
- DOE Contract Number:
- FG52-06NA26196
- OSTI ID:
- 944586
- Report Number(s):
- DOE/NA/26196-1; TRN: US1007442
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
COMPUTER CALCULATIONS
EDUCATION
ENGINEERS
FLUID FLOW
FLUIDS
INERTIAL CONFINEMENT
INSTABILITY
INTERFACES
LAWRENCE LIVERMORE NATIONAL LABORATORY
MIXING
SHAPE
SHOCK TUBES
SHOCK WAVES
STOCKPILES
Richtmyer-Meshkov instability
shock-induced mixing
interfacial fluid instability