Microexplosion of a hot point in an X-pinch constriction |
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| Authors: | G V Ivanenkov S A Pikuz D B Sinars V Stepnievski D A Hammer T A Shelkovenko |
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| Institution: | (1) Lebedev Institute of Physics, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 117923, Russia;(2) Laboratory of Plasma Studies, Cornell University, 369 Upson Hall, Ithaca, NY 14853, USA;(3) Institute of Plasma Physics and Laser Microfusion, Warsaw, 49 Hery 23, Poland |
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| Abstract: | The dynamics of an X-pinch in the diode of a high-power nanosecond current generator is studied experimentally and theoretically.
The X-ray backlighting technique with subnanosecond time resolution and micron space resolution made it possible to trace
both the formation of the constriction before the X-ray burst and the subsequent breaking and decay of the constriction. The
radiative MHD model allowed simulation of the main characteristics of the process, including the formation of a minidiode
and constriction, microexplosion of the hot point, and the generation of shock waves, followed by breaking of the constriction.
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Translated from Fizika Plazmy, Vol. 26, No. 10, 2000, pp. 927–933.
Original Russian Text Copyright /sC 2000 by Ivanenkov, Pikuz, Sinars, Stepnievski, Hammer, Shelkovenko. |
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