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Proceedings Paper

PIV measurements of a shock-accelerated fluid instability
Author(s): Katherine Prestridge; Peter Vorobieff; Paul M. Rightley; Robert F. Benjamin
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Paper Abstract

A varicose-profile, thin layer of heavy gas (SF6) in lighter gas (air) is impulsively accelerated by a planar, Mach 1.2 shock, producing Richtmyer-Meshkov instability. We present the first measurements of the circulation in the curtain during the vortex-dominated, nonlinear stage of the instability evolution. These measurements, based on particle image velocimetry data, are employed to validate an idealized model of the nonlinear perturbation growth.

Paper Details

Date Published: 17 April 2001
PDF: 6 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424332
Show Author Affiliations
Katherine Prestridge, Los Alamos National Lab. (United States)
Peter Vorobieff, Univ. of New Mexico (United States)
Paul M. Rightley, Los Alamos National Lab. (United States)
Robert F. Benjamin, Los Alamos National Lab. (United States)

Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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