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Abstract

Experimental investigations of high-beta plasmas produced in PDX with near perpendicular neutral beam injection are reported. Systematic power scans have been performed over a wide range of toroidal fields (0.7 T < B-T < 2.2 T) and plasma currents (200 kA < 1-p < 500 kA). At high toroidal fields, the change in total stored energy due to beam injection increases linearly with input power and also increases with plasma current. At lower toroidal fields and low injection power levels, the stored energy also increases with power and plasma current. However, at high power and low toroidal fields, a saturation in heating is observed. This result suggests the onset of a beta-T limit for circular cross-section Tokamaks with near perpendicular injection

Additional information

Authors: JOHNSON D JET-JOINT UNDERTAKING, ABINGDON (UK), JET-JOINT UNDERTAKING, ABINGDON (UK)
Bibliographic Reference: 9TH INTERNATIONAL CONFERENCE PLASMA PHYSICS AND CONTROLLED NUCLEAR FUSION, BALTIMORE (USA), SEPT. 1-8, 1982 PP. 9-25 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 31399 ORA
Availability: Can be ordered online
Record Number: 1989122062400 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en