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In recent years, we have carried out experiments at the University of Rochester’s Omega laser in which supersonic, dense-plasma jets are formed by the interaction of strong shocks in a complex target assembly (Foster et al., Phys. Plasmas9 (2002) 2251). We describe recent, significant extensions to this work, in which we consider scaling of the experiment, the transition to turbulence,...
Laser-driven blast waves are frequently used to explore hydrodynamic instability at high energy density. Experiments are designed such that the instability physics occurs in isolation, but secondary processes will eventually develop within the experimental system and affect the physics. At late times, as the blast wave diminishes in strength, these processes increasingly dominate while the instability...
Summary form only given. Shear flows arise in many high-energy-density (HED) and astrophysical systems, yet few laboratory experiments have been carried out to study their evolution in these extreme environments. Fundamentally, shear flows can initiate mixing via the Kelvin-Helmholtz (KH) instability and may eventually drive a transition to turbulence. We present two dedicated shear flow experiments...
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