Regime of improved confinement in neutral-beam–heated limiter discharges of a tokamak
- 27 July 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 59 (4), 450-453
- https://doi.org/10.1103/physrevlett.59.450
Abstract
A new operational regime has been observed in neutral-beam–heated JFT-2M limiter discharges. This regime is characterized by confinement times close to those of Ohmic and divertor H-mode (good confinement mode) discharges. The properties of these discharges are similar to the divertor H mode. The incremental energy-confinement time due to the heating is found to be independent of the plasma density up to the maximum density.Keywords
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