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Author Silver, R. N. ♦ Gore, R. ♦ Greene, J. ♦ Harlow, F. ♦ Whitman, R.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ TURBULENCE ♦ SPECTRA ♦ X-RAY RADIOGRAPHY ♦ DENSITY ♦ POWER ♦ SCALING ♦ CYLINDERS ♦ METALS ♦ COMPRESSION ♦ EXPANSION ♦ PLASMA ♦ MAGNETOHYDRODYNAMICS ♦ SCALE INVARIANCE ♦ FLUCTUATIONS
Abstract Experiments on the explosively driven compression and reexpansion of metal cylinders are reported. Analysis of radiography data taken with a pulsed x-ray source reveals scale invariant density fluctuations. The marginal density spectra are consistent with a {ital k}{sup {minus}8/3} power law, where {ital k} is wave number, corresponding to scalar density spectra varying as {ital k}{sup {minus}5/3}. Remarkably, the same scaling behavior is observed for a variety of metals with widely different mechanical properties. The relation of these results to fully developed turbulence in both incompressible fluids and compressible fluids with large density variations is discussed. {copyright} {ital 1996 The American Physical Society.}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-09-01
Publisher Place United States
Journal Physical Review Letters
Volume Number 77
Issue Number 12


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