First Results of Biasing Experiments on the T-10 Tokamak |
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Authors: | GS Kirnev SA Grashin LN Khimchenko NN Timchenko G Van Oost |
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Institution: | (1) Nuclear Fusion Institute, RRC "Kurchatov Institute", Moscow, 123182, Russia;(2) Department of Applied Physics, Ghent University, Ghent, Belgium |
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Abstract: | The first results of the electrode biasing experiments performed on the T-10 tokamak are presented. Positive voltage applied to an electrode inserted inside the tokamak limiter results in the H-mode transition characterised by a decrease of D emission intensity, a rise of line-average plasma density and an increase in energy lifetime. Growth of core electron and ion temperatures during the electrode biasing implies the formation of the thermal barrier in addition to the particle transport barrier. |
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