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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v13.i3-4.80
pages 349-358

SOFT X-RAY RADIATION FROM THE HIGH-CURRENT PULSED DISCHARGE INITIATED BY WIRE EXPLOSION IN HIGH-DENSITY HYDROGEN

A. A. Bogomaz
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia
A. V. Budin
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia
S. Y. Losev
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia
M. V. Petrenko
Ioffe Physico-Technical Institute of the Russian Academy of Sciences (Ioffe Institute), Politechnicheskaja St.,26, St.-Petersburg, 194021, Russia
M. E. Pinchuk
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia
A. A. Pozubenkov
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia
Philip G. Rutberg
Institute of Problems of Electrophysics of Russian Academy of Sciences 191186, Russia, St. Petersburg, Dvortsovaya nab. 18

ABSTRACT

The technique of registration of soft x-ray radiation is described in the pulsed discharge in hydrogen at initial gas pressure of ∼5 MPa and current amplitudes of 1.0−1.5 MA. The temperature of the discharge channel was determined based on intensity of x-ray radiation. The achievement of temperature 200−300 eV occurs at a stage of contraction of the discharge channel at excess of the Pease-Braginsky critical current. Similar values of temperature of the channel during contraction were calculated based on decreasing of brightness of the channel transition shell and on its conductivity.


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