Kinetic Numerical Simulation of the Cathode Attachment Zone of Constricted High-Current Vacuum Arcs

  title={Kinetic Numerical Simulation of the Cathode Attachment Zone of Constricted High-Current Vacuum Arcs},
  author={D. L. Shmelev and Thierry Delachaux and E. Schade},
  journal={IEEE Transactions on Plasma Science},
This paper is devoted to numerical simulation of the cathode attachment zone of constricted high-current vacuum arcs driven by a transverse magnetic field. With help of particle-in-cell and direct simulation Monte Carlo methods, a 1-D model of the attachment zone was developed, and the stationary-cathode-spot mode was investigated. The states of the charged particles and atoms in the Knudsen layer, the ionization layer, and the plasma sheath are determined in detail. The results support the… CONTINUE READING


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