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Observation of mode transition and low-frequency oscillations in magnetically constricted anode
- Source :
- Physics of Plasmas. 23:123524
- Publication Year :
- 2016
- Publisher :
- AIP Publishing, 2016.
-
Abstract
- We report on the discharge behaviour and the mode transition observed in a magnetically constricted anode device. With an increase in pressure, the central droplet shaped glow shrunk and abruptly switched to peripheral glow mode for pressure above 5×10−2 mbar. This transition is observed when the width of the droplet shaped glow at the anode approaches the diameter of the central magnet. The mode transition is observed as a sudden jump in the discharge current, which obeys a different power law than the previous discharge mode. Further, this new mode is observed to accompany the global oscillations in the range of few kHz.
Details
- ISSN :
- 10897674 and 1070664X
- Volume :
- 23
- Database :
- OpenAIRE
- Journal :
- Physics of Plasmas
- Accession number :
- edsair.doi...........0e8477a7aaa989ff54d51959352f3981
- Full Text :
- https://doi.org/10.1063/1.4972533