LASER DOPPLER ANEMOMETRY INVESTIGATION OF THE INTERACTION PROCESS BETWEEN THE INTERELECTRODE PLASMA AND MACROPARTICLES (DROPLETS).

S. Einav*, J. M. Avidor, S. Shalev

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

The interaction process between the interelectrode plasma and macroparticles (droplets) produced by a multitude of cathode spots in a vacuum arc between metallic electrodes has important significance in several technological areas such as high current switching and electrical power systems circuit protection. We have therefore performed, for the first time, an experimental investigation by use of Laser Doppler Anemometry (LDA) in the interelectrode plasma of the multi-cathode-spot vacuum arc generated between several metallic electrodes, covering a wide range of thermal properties. The LDA system was designed to measure particle velocities of up to 200 m/s and included a set of optical filters to block the emitted light from the plasma radiation.

Original languageEnglish
Pages53-56
Number of pages4
StatePublished - 1985

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