Density Evolution within a Shock Accelerated Gaseous Interface

Abstract

The evolution of density profiles within a shock accelerated gaseous interface was investigated via a three-directional laser absorption diagnostic technique for negative, close to zero, and positive initial density jump of the interface. Results show that the direction of the shock wave acceleration could have a non-negligible effect on the mixing process development. Furthermore, the turbulent diffusion within the induced mixing zone is clearly identified from the thickening of the density profiles with time.