Formation of a spark discharge in an inhomogeneous electric field with current limitation by a large ballast Resistance |
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Authors: | B. B. Baldanov |
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Affiliation: | 1.Institute of Physical Material Science, Siberian Branch,Russian Academy of Sciences,Ulan-Ude, Buryat Republic,Russia |
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Abstract: | Results of studies of a spark discharge initiated in argon in a point–plane electrode gap with limitation of the discharge current by a large ballast resistance are presented. It is shown that the current flowing through the plasma channel of such a low-current spark has the form of periodic pulses. It is experimentally demonstrated that, when a low-current spark transforms into a constricted glow discharge, current pulses disappear, the spatial structure of the cathode glow changes abruptly, and a brightly glowing positive plasma column forms in the gap. |
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