Abstract
A two-dimensional implosion of liners is studied. This is instead of the conventional one-dimensional cylindrical implosion of Z pinches, where there is a wire array or a gas-puff liner, which has a cylindrical shape and an uniform mass distribution along the z axis. Two-dimensional Z-pinch compression can be realized utilizing either a spherically shaped wire array or a double gas-puff liner with a special mass distribution along the z-axis. The results obtained from computer simulations show that both kinds of liners can be compressed in both the z and the r directions. This results in a uniform and a high-power heating of the spherical dynamic hohlraum placed inside the liner. The spherical, two-dimensional liner implosion increases the power density at the hohlraum surface, improves the symmetry of the capsule irradiation and helps partially in quenching of the Rayleigh–Taylor instability.
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