Particle balance during edge biasing experiments in the reversed field pinch RFX

L. Tramontin, L. Garzotti, V. Antoni, L. Carraro, D. Desideri, P. Innocente, E. Martines, G. Serianni, M. Spolaore, N. Vianello

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Abstract

The results of an edge biasing experiment in RFX are reported. The particle balance has been interpreted by a zero-dimensional model which allows the particle confinement time to be adjusted in order to reproduce the experimental behaviour of the plasma density. It is found that, despite the substantial reduction of the electrostatic transport by a factor of three, the particle confinement time does not increase by more than 35%. This behaviour has been interpreted as an indication that another loss channel must be considered which is responsible for a particle flux twice as large as that carried by electrostatic fluctuations and it has been identified in the pertubation due to the locked mode.
Original languageEnglish
Pages (from-to)195 - 204
Number of pages10
JournalPlasma Physics and Controlled Fusion
Volume44
Issue number2
DOIs
Publication statusPublished - Feb 2002
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

Cite this

Tramontin, L., Garzotti, L., Antoni, V., Carraro, L., Desideri, D., Innocente, P., ... Vianello, N. (2002). Particle balance during edge biasing experiments in the reversed field pinch RFX. Plasma Physics and Controlled Fusion, 44(2), 195 - 204. https://doi.org/10.1088/0741-3335/44/2/304