Perturbative transport studies in the reversed-field pinch

L. Frassinetti, M. Gobbin, L. Marrelli, P. Piovesan, P. Franz, P. Martin, B.E. Chapman

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Abstract

In this paper we present the results of transient transport experiments in a reversed-field pinch device. Measurements have been made in the Madison Symmetric Torus experiment using a novel soft x-ray diagnostic. Spontaneous transient transport events are observed in enhanced confinement shots obtained using the pulsed parallel current drive technique, as a consequence of bursts of magnetic fluctuations triggered by an edge resonant m = 0 instability. The perturbed electron heat diffusivity, χe, is estimated through a numerical transient heat transport model, and the values thus obtained are compared with those measured in similar unperturbed enhanced confinement and standard plasmas using the power balance technique.
Original languageEnglish
Article number015
Pages (from-to)1342 - 1349
Number of pages8
JournalNuclear Fusion
Volume45
Issue number11
DOIs
Publication statusPublished - 24 Oct 2005
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Frassinetti, L., Gobbin, M., Marrelli, L., Piovesan, P., Franz, P., Martin, P., & Chapman, B. E. (2005). Perturbative transport studies in the reversed-field pinch. Nuclear Fusion, 45(11), 1342 - 1349. [015]. https://doi.org/10.1088/0029-5515/45/11/015