Actions for Radiative shocking and acceleration of polycrystalline slabs for investigation of ablative Rayleigh-Taylor instability triggered by ablator microstructure [electronic resource].

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Radiative shocking and acceleration of polycrystalline slabs for investigation of ablative Rayleigh-Taylor instability triggered by ablator microstructure [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2002.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
19 pages : digital, PDF file
Additional Creators
Los Alamos National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
It is vital to identify and control all perturbation sources that could trigger ablative Rayleigh-Taylor instability One obvious perturbation 'seed' is surface roughness computed perturbation growth, validated by experiments - Specification for allowable roughness of NIF ignition capsule' is based on But what about infernal microstructure of shell materials? - Beryllium shells are composed of individual crystalline grains with - Polymer shells are composed of long molecular chains that might 'stack like an isotropic elastic/plastic properties logs' with a preferred orientation What happens when shock waves transit anisotropic material? What happens when such material is accelerated by radiation drive? We need a specification for allowable internal anisotropy.
Report Numbers
E 1.99:la-ur-02-7034
la-ur-02-7034
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Note
Published through SciTech Connect.
01/01/2002.
"la-ur-02-7034"
Submitted to: 44th Annual APS Division of Plasma Physics Meeting, Orlando, FL, 11-15 November, 2002.
Swift, D. C.; Kyrala, George A.; Tubbs, D. L.; Cobble, J. A.; Tierney, T.; Hoffman, N. M.
View MARC record | catkey: 14451073