Related Experiment Video
Updated: Jul 30, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
Published on: March 3, 2017
Postponement of saturation of the Richtmyer-Meshkov instability in a convergent geometry
J R Fincke1, N E Lanier, S H Batha
1Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Abstract:
Strongly shocked cylindrically convergent implosions were conducted on the OMEGA laser. The directly driven targets consist of a low-density foam core and an embedded aluminum shell covered by an epoxy ablator. The outer surface of the aluminum shell has imposed single-mode perturbations with wave numbers k=0.08, 0.25, and 0.7 (rad/microm) and initial amplitudes eta(0)/lambda=0.013, 0.04 and 0.11. The perturbation growth rate is found to scale with k and, in our convergent geometry, no evidence of saturation for eta/lambda as large as 5 is observed.
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