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Linear laws and parameters of ecton processes in vacuum arc

Author:
Mesyats   G. A.  


Journal:
Bulletin of the Lebedev Physics Institute


Issue Date:
2014


Abstract(summary):

Such arc parameters as the ion current from the cathode, number of cells in the cathode spot, energy dissipation on the cathode, force acting on the cathode, and ion mass linearly depend on the arc current. Based on these dependences, a simple theory of ecton processes in the arc with copper cathode is proposed. The interdependence of arc parameters is established based on the fact of the portion behavior of the arc. The numbers of electrons and ions in the ecton are determined. Using the Tanberg effect and Richardson-Schottky formula, the arc current density (similar to 10(8) A/cm(2)) and the electric field (similar to 10(7) V/cm) in the near-cathode region (similar to 10(-6) cm) are determined.


Page:
364-366


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