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Current implosion of quasi-spherical wire arrays |
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| Authors: | E V Grabovskii A N Gritsuk V P Smirnov V V Aleksandrov G M Oleinik I N Frolov Ya N Laukhin A N Gribov A A Samokhin P V Sasorov K N Mitrofanov S F Medovshchikov |
| Institution: | (1) State Research Center Troitsk Institute for Innovation and Fusion Research (TRINITI), Troitsk, Moscow region, 142190, Russia;(2) Russian Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia;(3) Institute for Theoretical and Experimental Physics, ul. Bol’shaya Cheremushkinskaya 25, Moscow, 117218, Russia |
| Abstract: | By means of the electrostatic expansion of a cylindrical wire array by an additional electrode, quasi-spherical arrays with a radius of 8–12 mm and a mass of 200–400 μg consisting of 30–60 tungsten wires 6 μm in thickness are formed. The compression of Z pinches formed by these arrays was performed by a current of 3–4 MA with a rise time of 100 ns in the Angara-5-1 facility. It has been shown that the central part of this array forms a region hotter than its edges and that for cylindrical arrays. |
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