Investigations of the Rayleigh-Taylor and Richtmyer-Meshkov Instabilities

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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 four graduate students is in line with the ... continued below

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Bonazza, Riccardo; Anderson, Mark & Oakley, Jason March 14, 2008.

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Description

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 four 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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3.7 MB

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  • Report No.: DOE/NA/26196-2
  • Grant Number: FG52-06NA26196
  • DOI: 10.2172/925450 | External Link
  • Office of Scientific & Technical Information Report Number: 925450
  • Archival Resource Key: ark:/67531/metadc893786

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  • March 14, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 8:23 p.m.

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Bonazza, Riccardo; Anderson, Mark & Oakley, Jason. Investigations of the Rayleigh-Taylor and Richtmyer-Meshkov Instabilities, report, March 14, 2008; United States. (digital.library.unt.edu/ark:/67531/metadc893786/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.