Snowplow calculations for Ne puff z-pinch experiments

The snowplow approximation for z-pinch gas puffs was introduced in [1] for axisymmetric implosions and extended in [2] to study implosions in the r, θ plane. We use this approximation to study the Ne gas puff experiments conducted at the Weizmann Institute [3]. We solve the mass and momentum equations in Eulerian coordinates and introduce shear artificial viscosity to damp wavelengths components of the order of the axial segments size. The snowplow is self-consistently driven by the LRC circuit representing the pulsed power generator used in the experiment. We show the results of the calculations in which we compare the calculated and experimental currents, as well as the (r, z) snowplow front as a function of time with experimental visible light snapshots [3].