Rayleigh-taylor instability growth experiments in a cylindrically convergent geometry

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Convergent geometry Rayleigh-Taylor experiments have been performed with a 122-point detonation initiation system on cylinders having sinusoidal perturbations on the outer surface ranging from mode-6 to mode-36. Experiments were performed with various perturbation mode numbers, perturbation amplitudes, and ring accelerations. Feedthrough perturbation growth on the inner surface was observed in several experiments, and in one experiment the feed through perturbation underwent a phase inversion. These experimental results were found to be in good agreement with linear, small-amplitude analysis of feedthrough growth in an incompressible, cylindrically convergent geometry.

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9 pages; Other: FDE: PDF

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Weir, S. T., LLNL June 11, 1997.

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Convergent geometry Rayleigh-Taylor experiments have been performed with a 122-point detonation initiation system on cylinders having sinusoidal perturbations on the outer surface ranging from mode-6 to mode-36. Experiments were performed with various perturbation mode numbers, perturbation amplitudes, and ring accelerations. Feedthrough perturbation growth on the inner surface was observed in several experiments, and in one experiment the feed through perturbation underwent a phase inversion. These experimental results were found to be in good agreement with linear, small-amplitude analysis of feedthrough growth in an incompressible, cylindrically convergent geometry.

Physical Description

9 pages; Other: FDE: PDF

Notes

OSTI as DE00016394

Source

  • 6th International Conference on the Physics of Compressible Turbulent Mixing, Marseille (FR), 06/18/1997--06/21/1997; Other Information: Supercedes report DE98051013; PBD: 11 Jun 97

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  • Other: DE98051013
  • Report No.: UCRL-JC-127668
  • Report No.: CONF-970657--
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 16394
  • Archival Resource Key: ark:/67531/metadc619939

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  • June 11, 1997

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Jan. 3, 2017, 1:10 p.m.

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Weir, S. T., LLNL. Rayleigh-taylor instability growth experiments in a cylindrically convergent geometry, article, June 11, 1997; (digital.library.unt.edu/ark:/67531/metadc619939/: accessed October 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.