Influence of current instabilities on the parameters of the vacuum arc plasma jet

B. Alterkop, I. Beilis, R. Boxman, S. Goldsmith

Research output: Contribution to journalConference articlepeer-review

Abstract

The influence of the Buneman instability on the parameters of a current carrying plasma is investigated. By using the quasi-linear approximation the analytical expressions which connect the plasma parameter changes and the turbulent electrical conductivity with the energy of the unstable electrostatic field fluctuations were obtained. The latter is expressed by the plasma supercriticality. The experimental data of the arc discharge in an extended gap are analyzed. It is shown that the changes of the electron temperature and potential drop can be explained by this instability.

Original languageEnglish
Pages (from-to)76-81
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2259
DOIs
StatePublished - 1 May 1994
Event16th International Symposium on Discharges and Electrical Insulation in Vacuum 1994 - Moscow-St. Petersburg, Russian Federation
Duration: 23 May 199430 May 1994

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