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The first measurements of toroidal rotation of the bulk plasma during purely ion cyclotron resonance frequency (ICRF) heated H-modes on the JET tokamak are reported. Substantial toroidal acceleration in the direction of the plasma current occurs at the transition into H-mode. In the present paper the relationship between toroidal rotation and improved confinement of the H-mode is investigated. We conclude that the dominant driving mechanism for toroidal rotation is the ion pressure gradient.

Additional information

Authors: ERIKSSON L-G, JET Joint Undertaking, Abingdon, Oxon (GB);RIGHI E, JET Joint Undertaking, Abingdon, Oxon (GB);ZASTROW K-D, JET Joint Undertaking, Abingdon, Oxon (GB)
Bibliographic Reference: Report: JET-P(96)28 EN (1996) 19pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon, OX14 3EA (GB)
Record Number: 199611305 / Last updated on: 1996-11-11
Original language: en
Available languages: en