Accession Number : ADA008176

Title :   Arc Constriction and Anode Heat Transfer in High Intensity Arcs.

Descriptive Note : Final rept. 1 Apr 72-28 Feb 74,

Corporate Author : MINNESOTA UNIV MINNEAPOLIS HEAT TRANSFER DIV

Personal Author(s) : Smith,J. L. ; Schafer,J. ; Pfender,E.

Report Date : OCT 1974

Pagination or Media Count : 57

Abstract : A new method has been developed for measuring anode heat fluxes in pulsed kiloampere arcs. The method is based on an optical measurement of the temperature history of the rear face of a very thin anode. Matching of experimental with calculated temperature histories for various front surface heat fluxes provides actual quasisteady anode heat fluxes. Results are presented for tungsten and copper anodes in combination with argon and nitrogen as working gases. Anode heat fluxes are primarily influenced by the cathode condition and the working gas. The second part of this report deals with the anode region of a high intensity arc.

Descriptors :   *Electrodes, *Electric arcs, Anodes, Tungsten, Copper, Plasmas(Physics), Heat flux

Subject Categories : Test Facilities, Equipment and Methods
      Electricity and Magnetism
      Plasma Physics and Magnetohydrodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE