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Progress in Plasma Processing of Materials, 1997

ISBN:
1-56700-093-2 (Print)

PULSE PLASMA GENERATORS, POSSIBLE APPLICATIONS

Philip G. Rutberg
Institute of Problems of Electrophysics of Russian Academy of Sciences 191186, Russia, St. Petersburg, Dvortsovaya nab. 18

V. A. Kolikov
Institute for Electrophysics and Electric Power Russian Academy of Science, 191186, Dvortsovaya nab. 18, St. Petersburg

A. A. Bogomaz
Institute for Electrophysics and Electric Power Russian Academy of Sciences (IEE RAS),Dvortsovaya nab. 18, St.-Petersburg, 191186, Russia

Abstract

Plasma pulse generators are used widely in scientific investigations and in industrial technologies. The main spheres of plasma generators application are enumerated in this work. Simplified design of pulse plasma generator with coaxial electrode system is presented. Typical oscillograms of discharge current, voltage drop on the arc, pressure in discharge chamber and power chart of the arc are shown. The following parameters of plasma and current discharge pulses were obtained in the process of investigations: discharge current - up to 2 MA; energy input - up to 10 MJ; maximum discharge power - up to 2·1010 V·A; time of discharge - (0.3-2.0)·10−3 s; pulse pressure in the discharge chamber - up to 600 MPa; average mass temperature - from 2·103 up to 105 K. The new possible area of pulse plasma generators application the destruction of high toxic and industrial wastes is stated.