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Fusion Science and Technology
More from UWC 2020: Round 2
This year’s Utility Working Conference had a dynamic opening plenary and a packed roster of informative sessions. Following are recaps of some of the 2:00 p.m. (EDT) sessions that took place.
Don't miss Newswire's coverage of the opening plenary and the sessions at 12:00 pm.
P.A. Bagryansky, A.A. Lizunov, A.A. Zuev, E. Yu. Kolesnikov, A.L. Solomachin
Fusion Science and Technology | Volume 43 | Number 1 | January 2003 | Pages 152-156
Transport and Confinement | dx.doi.org/10.13182/FST03-A11963583
Articles are hosted by Taylor and Francis Online.
Influence of the radial electric field on the MHD-stability was studied in the GDT using a set of biased end plates and limiters that provided a possibility to control radial profile of the plasma potential. It was shown that biasing of the limiters or peripheral end plate section to a potential of 250 - 300 V leads to considerable increase of the energy confinement time due to reduction of the electric field in the plasma volume. MHD-stability of the plasma was observed in this regime with the remote anchors not energized. The possible stabilization mechanism associated with radial electric field is discussed.