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On possible reasons of positive near-anode voltage drop in high-current vacuum arc
| Content Provider | Scilit |
|---|---|
| Author | Shmelev, D. L. Barengolts, S. A. Tsventoukh, M. M. Uimanov, I. V. Wang, L. |
| Copyright Year | 2019 |
| Description | Journal: Journal of Physics: Conference Series In this paper we consider some reasons for the occurrence of a positive near-anode potential drop during current constriction in high-current vacuum arc. It is shown that if the radius of constriction is much larger than the electron mean free path, then a positive voltage drop in the near-anode plasma sheath does not occur, but an additional drop may occur in the near-anode plasma layer due to the anomalous resistance. If the current constriction radius is much less than the electron mean free path, then a positive voltage drop in the sheath arises under the usual condition, and the kinetic instabilities in the near-anode plasma do not develop. |
| Related Links | https://iopscience.iop.org/article/10.1088/1742-6596/1393/1/012026/pdf |
| ISSN | 17426588 |
| e-ISSN | 17426596 |
| DOI | 10.1088/1742-6596/1393/1/012026 |
| Journal | Journal of Physics: Conference Series |
| Issue Number | 1 |
| Volume Number | 1393 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2019-11-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics: Conference Series Particles and Fields Physics Voltage Drop Electron Mean Vacuum Arc Mean Free Current Vacuum Constriction Radius Positive Voltage |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
