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Wire dynamics model of the implosion of nested and planar wire arrays
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View: Figures


Image of FIG. 1.
FIG. 1.

Implosion of the nested wire array in hydrodynamic mode . (a) Implosion trajectories of the outer and inner arrays. Fine line represents the amount of thermalized kinetic energy : two steps correspond to the “interaction pulse” (IP) and the main pulse. (b) Current division through the outer and inner arrays. In both (a) and (b), gray lines represent the predictions by the conventional 0D model (no inductive current transfer: before IP) until the moment of IP. Both outer and inner arrays are built of 10 wires. The current pulse shape is , where MA and ns.

Image of FIG. 2.
FIG. 2.

Implosion of the nested array in transparent mode . Array parameters and plot notations are the same as in Fig. 1. The first step of corresponds to the “inner strike,” or IS.

Image of FIG. 3.
FIG. 3.

(a) The inductive partition of electric current at the initial moment in planar arrays with 10, 16, and 20 wires. In all cases, the wires are positioned equidistantly at length. (b) The implosion trajectories (black solid lines) of the wires of a 10-wire planar array, thermalized kinetic energy (gray line), and the experimental x-ray pulse (arbitrary amplitude, broken line) from Zebra shot no. 490 (see also Ref. 7). The form of the current pulse is the same as in Figs. 1 and 2. Array mass per unit length is .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Wire dynamics model of the implosion of nested and planar wire arrays