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A supersonic (Mach∼2–3), radiatively cooled plasma jet is produced by the ablation of aluminium plasma from a radial foil, a disc subjected to a ∼1.4 MA, 250 ns current from the MAGPIE pulsed-power generator. The ablated plasma converges on axis, producing a steady and collimated jet with axial velocities reaching ∼100 km/s. The study of jet-ambient interactions is achieved by introducing a neutral...
A supersonic (Mach∼3–5), radiatively cooled plasma jet is produced by the ablation of plasma from a radial foil1, a metallic disk subjected to a ∼1.4 MA, 250 ns current pulse from the MAGPIE generator. The ablated plasma converges on axis, producing a steady and collimated jet with a typical axial velocity of ∼100 km/s.
Preliminary results of the interaction of a supersonic, radiatively cooled plasma jet with an ambient gas are presented. The experimental setup consists of a radial foil, a mum-thick aluminium disc held between two concentric electrodes and subjected to a 1.4 MA, 250-ns current pulse from the MAGPIE generator. The plasma flow, with typical velocities of ~70–90 km/s, is produced by the J × B force...
We have previously reported [1] on the designs of triple shell nozzles, 8 and 12 cm in diameter, for use at >20 MA on the Z generator. Here we describe the characterization of the cold gas flow, a critical input for shot preparations on Z as well as MHD modeling of the implosions.
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