Classical Rayleigh Taylor experiments on Nova

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The evolution of the Rayleigh-Taylor (RT) instability in a compressible medium was investigated both at an accelerating embedded interface and at the ablation front in a new series of experiments on Nova. The x-ray drive generated in a hohlraum ablatively accelerated a planar target consisting of a doped plastic pusher which was in some cases backed by a higher density titanium payload. Both target types were diagnosed by face-on and side-on radiography. Experiments have been done with a variety of wavelengths and initial amplitudes. In the case where the perturbed RT-unstable embedded interface is isolated from the ablation front, short ... continued below

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13 p.

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Budil, K.S.; Remington, B.A. & Peyser, T.A. July 1, 1995.

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The evolution of the Rayleigh-Taylor (RT) instability in a compressible medium was investigated both at an accelerating embedded interface and at the ablation front in a new series of experiments on Nova. The x-ray drive generated in a hohlraum ablatively accelerated a planar target consisting of a doped plastic pusher which was in some cases backed by a higher density titanium payload. Both target types were diagnosed by face-on and side-on radiography. Experiments have been done with a variety of wavelengths and initial amplitudes. In the case where the perturbed RT-unstable embedded interface is isolated from the ablation front, short wavelength perturbations are observed to grow strongly. When the perturbation is at the ablation front, the short wavelengths are observed to be severely stabilized.

Physical Description

13 p.

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OSTI as DE95017258

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  • 5. international workshop on the physics of compressible turbulent mixing, Stony Brook, NY (United States), 18-21 Jul 1995

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  • Other: DE95017258
  • Report No.: UCRL-JC--120839
  • Report No.: CONF-9507167--2
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 102369
  • Archival Resource Key: ark:/67531/metadc627699

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  • July 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 23, 2016, 1:17 p.m.

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Budil, K.S.; Remington, B.A. & Peyser, T.A. Classical Rayleigh Taylor experiments on Nova, article, July 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc627699/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.