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Abstract

High-power ECRH has been used on the TOSCA device to produce high values of beta poloidal and to investigate current drive. Plasmas with values of poloidal beta up to 2.5 have been produced by gas puffing and Ohmic heating alone. The value of poloidal beta decreases as the current increases. Experiments and theory on wave driven currents are in reasonable agreement but give low efficiency. This current decreases as the resonance is moved to the outside of the Tokamak, providing possible evidence for the reduction of the current due to trapped electrons.

Additional information

Authors: ALCOCK M W, CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK);ROBINSON D C, CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK);START D F H, CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK);LLOYD B, CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK);MORRIS A W CULHAM LABORATORY, ABINGDON (UK), CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK);UNIVERSITY OF OXFORD (UK), CULHAM LABORATORY, ABINGDON (UK);UNIVERSITY OF OXFORD (UK)
Bibliographic Reference: 9TH INTERNATIONAL CONFERENCE PLASMA PHYSICS AND CONTROLLED NUCLEAR FUSION, BALTIMORE (USA), SEPT. 1-8, 1982 PP. 51-61 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 31366 ORA
Availability: Can be ordered online
Record Number: 1989122064600 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en