Coherent structures and anomalous transport in reversed field pinch plasmas

V. Antoni, J.R. Drake, E. Spada, M. Spolaore, N. Vianello, H. Bergsåker, R. Cavazzana, M. Cecconello, E. Martines, G. Serianni

Research output: Contribution to conferencePaper

9 Citations (Scopus)

Abstract

The results leading to the identification of coherent structures emerging from the background turbulence in the edge region of the reversed field pinch experiments EXTRAP-T2R and RFX are reviewed. These structures have traits of vortices in velocity field and blobs in density, and the reconstruction of their spatial structure and of their time evolution is discussed focusing on the analysis tools applied. The role of these structures in the particle anomalous transport is addressed, showing that their collisions can contribute up to 50% the total particle losses.This process is shown to be responsible for bursts in particle flux and it is found to set a characteristic collision time, which is in agreement with the statistical properties of laminar times for particle flux bursts. © 2006 The Royal Swedish Academy of Sciences.
Original languageEnglish
DOIs
Publication statusPublished - 2006
Externally publishedYes
Event3rd Nordic Symposium on Plasma Physics - , Norway
Duration: 1 Jan 2006 → …

Conference

Conference3rd Nordic Symposium on Plasma Physics
CountryNorway
Period1/1/06 → …

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All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics

Cite this

Antoni, V., Drake, J. R., Spada, E., Spolaore, M., Vianello, N., Bergsåker, H., ... Serianni, G. (2006). Coherent structures and anomalous transport in reversed field pinch plasmas. Paper presented at 3rd Nordic Symposium on Plasma Physics, Norway. https://doi.org/10.1088/0031-8949/2006/T122/002