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Large diameter multi-shell gas puffs imploded on the refurbished Z generator will be able to produce high-intensity K-shell radiation. Gas puffs have previously been fielded on a number of generators, including Z prior to the refurbishment. In anticipation of gas puff loads soon to be commissioned on refurbished Z we present preliminary 3-dimensional MHD modeling of the implosion and stagnation of...
We conduct two-dimensional numerical simulations to study the effects of inlet swirl on plasma fluid behaviors of a commercial-scale non-equilibrium magnetohydrodynamic (MHD) generator with a thermal input of 1000 MW. The effects of inlet swirl are presented for two cases: (1) with preionization by applying a radio-frequency (RF) electromagnetic field; (2) without the preionization. An inlet swirl...
Solid liners are an attractive load design for use with magnetized liner inertial fusion (MagLIF) and for possible replacement of wire-array Z-pinches on large pulsed-power drivers. Experiments have been conducted on COBRA, our 1 MA, 100 ns rise time pulsed power generator, to investigate three aspects that can affect liner performance: initiation; ablation and precursor formation; and instability...
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