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Test of stellar hydrodynamics predictions

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Supersonic Shear in HED Experiments<br />

Experimental setup (NIKE laser)<br />

Low-density material with machined sinusoidal perturbation<br />

High-velocity laser-driven flow<br />

Harding et al. (2010)<br />

Anticipated behavior<br />

Aluminum flows horizontally and drives a weak shock into the foam<br />

Horizontal shear between aluminum and shocked foam induces Kelvin-<br />

Helmholtz instability<br />

The flow near the interface is supersonic<br />

April 26, 2011<br />

14

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