The late-time growth rate of the Richtmyer–Meshkov instability
was experimentally studied at different Atwood numbers with
two-dimensional (2D) and three-dimensional (3D) single-mode initial
perturbations. The results of these experiments were found to be in
good agreement with the results of the theoretical model and numerical
simulations. In another set of experiments a bubble-competition
phenomenon, which was observed in previous work for 2D initial
perturbation (Sadot et al., 1998),
was shown to exist also when the initial perturbation is of a 3D
nature.