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Phase shift and reflectivity data for a shock in liquid cyclohexane that was backed by of Al. The maximum pressure of the shock wave was at the center of the shocked area. The inset color bars show the scale of the phase shift in radians [(a) and (c)] or relative reflectivity [(b) and (d)]. In each of the four images, the -polarized data are on the left and the -polarized data are on the right. (a) Phase shift data at . (b) Reflectivity data at . (c) Phase shift data at . (d) Reflectivity data at .
Hugoniot data for cyclohexane from a single laser shot along with data by Dick (see Ref. 12) for comparison.
CTH simulations showing a shock wave in the Al and cyclohexane sample at 250 ps after the center of the shock wave crossed the Al/cyclohexane interface. The vapor plated Al that was used to generate the shock is shown from and the liquid cyclohexane is shown from . (a) Pressure distribution resulting from an initial Gaussian temperature distribution. The Hugoniot data shown in Fig. 2 were obtained from the region between the two dashed lines. (b) Components of the particle velocity. The radial (horizontal) component of the particle velocity is to the left of the center and the axial (vertical) component of the particle velocity is to the right of the center in this cylindrically symmetric simulation. Please note the compressed length scale of the horizontal axis with respect to the vertical axis.
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