Shock-hydrodynamics experiments on the Nova laser

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We have conducted shock-induced hydrodynamics experiments using the Nova laser at Lawrence Livermore National Laboratory. The laser provides a high-enthalpy source by depositing its energy (about 22 kJ) in a small gold cavity called a Hohlraum. The Hohlraum serves as a driver section, launching very strong (M {approx} 20) shocks into millimeter-scale cylindrical ``shock tubes.`` The flow is imaged radiographically by an electronic framing camera, using a laser-generated x-ray source. Several topics have been addressed with this configuration, including shock-induced mixing at density interfaces (seeded with a variety of perturbations); the development of high-speed, shaped-charge-like jets; the effects of geometry ... continued below

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10 p.

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Miller, P.; Peyser, T.; Stry, P.; Budil, K.; Wojtowicz, D. & Burke, E. August 1, 1995.

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Description

We have conducted shock-induced hydrodynamics experiments using the Nova laser at Lawrence Livermore National Laboratory. The laser provides a high-enthalpy source by depositing its energy (about 22 kJ) in a small gold cavity called a Hohlraum. The Hohlraum serves as a driver section, launching very strong (M {approx} 20) shocks into millimeter-scale cylindrical ``shock tubes.`` The flow is imaged radiographically by an electronic framing camera, using a laser-generated x-ray source. Several topics have been addressed with this configuration, including shock-induced mixing at density interfaces (seeded with a variety of perturbations); the development of high-speed, shaped-charge-like jets; the effects of geometry on the planarity of the generated shocks; and shock-shock interactions which develop in the flows. This paper describes the general configuration of our experiments, presents an overview of the high-speed jet work, discusses some of our findings, and compares our results with computer simulations.

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10 p.

Notes

INIS; OSTI as DE96003314

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  • 20. international symposium on shock waves, Pasadena, CA (United States), 24-28 Jul 1995

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  • Other: DE96003314
  • Report No.: UCRL-JC--119184
  • Report No.: CONF-9507152--6
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 171367
  • Archival Resource Key: ark:/67531/metadc672247

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  • August 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Feb. 23, 2016, 12:09 p.m.

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Miller, P.; Peyser, T.; Stry, P.; Budil, K.; Wojtowicz, D. & Burke, E. Shock-hydrodynamics experiments on the Nova laser, article, August 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc672247/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.