Reversed field pinch: understanding and improving confinement

J. S. Sarff, M. Cekic, D. J. Den Hartog, G. Fiksel, N. E. Lanier, S. C. Prager, M. R. Stoneking

Research output: Contribution to journalConference articlepeer-review

Abstract

The reversed field pinch (RFP) is a toroidal, high beta plasma confinement configuration with great potential as an attractive, compact, high power density fusion reactor core. Relatively poor confinement has been a main obstacle in establishing the viability of the RFP. Recent progress in understanding magnetic-fluctuation-induced transport in the RFP has spawned the idea of current profile control to reduce fluctuations and transport. With the addition of inductive poloidal current drive in the Madison Symmetric Torus (MST) device, the energy confinement time is increased five-fold from 1.2 ms to 6 ms. The lowest magnetic fluctuation level and highest electron temperature observed in MST are also obtained with inductive current profile control. These results strongly encourage the development of improved and steady-state current profile control.

Original languageEnglish (US)
Pages (from-to)1403-1408
Number of pages6
JournalUnknown Journal
Volume30
Issue number3
DOIs
StatePublished - 1996
Externally publishedYes
EventProceedings of the 1996 12th Topical Meeting on the Technology of Fusion Energy. Part 2 (of 2) - Reno, NV, USA
Duration: Jun 16 1996Jun 20 1996

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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