科技报告详细信息
Investigation of the Richtmyer-Meshkov instability
Riccardo Bonazza ; Mark Anderson ; Jason Oakley
关键词: 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;   
DOI  :  10.2172/944586
RP-ID  :  DOE/NA/26196-1
PID  :  OSTI ID: 944586
Others  :  TRN: US1007442
Subject:53.7
美国|英语
来源: SciTech Connect
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【 摘 要 】
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.
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