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Parallel plasma flows with Mach number M=0.5 have been measured in the JET SOL. These flows show a maximum some 10-20 mid-plane mm outside the separatrix, and decrease towards the separatrix. The flow reverses when the Bt and Ip are reversed, but is asymmetric about zero. Modelling suggests that a contributor to the observed flow is the co-current toroidal momentum generated in the SOL by ion vB an classical drifts, together with ion Pfirsh-Schluter flow.

Additional information

Authors: CHANKIN A V, JET Joint Undertaking, Abingdon (GB);MATTHEWS G F, JET Joint Undertaking, Abingdon (GB);ERENTS S K, UKAEA Fusion Association, Abingdon (GB);STRANGEBY P C, Institute for Aerospace Studies, University of Toronto (CN)
Bibliographic Reference: Report: JET-P(99)62, 9pp.
Availability: Available from the Librarian, JET Joint Undertaking, Abingdon (GB)
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