Response of Pulsed Coaxial Arcs

[+] Author and Article Information
J. E. Fitzgerald

Department of Electrical Engineering, State University of New York at Buffalo, Buffalo, N.Y.

D. M. Benenson

State University of New York at Buffalo, Buffalo, N.Y.

J. Heat Transfer 97(3), 435-441 (Aug 01, 1975) (7 pages) doi:10.1115/1.3450394 History: Received August 30, 1974; Online August 11, 2010


Experiments were conducted upon a voltage pulsed coaxial argon plasma in a 1 cm dia, 13.6 cm long channel. Initial steady-state current and pressure were 81 A and 776 Torr, respectively. The final average current was about 1200 A. Rise times of current and center-line temperatures were about 200 μs. Using spectroscopic techniques, with data acquisition times of about 5 μs, radial distributions of temperature and pressure were obtained at various times into the transient. A final average temperature of about 18,000° K was obtained.

Copyright © 1975 by ASME
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