Tala, T., Zastrow, K. -D., Ferreira, J., Mantica, P., Naulin, V., Peeters, A. G., Tardini, G., Brix, M., Corrigan, G., Giroud, C. and Strintzi, D.. (2009) Evidence of inward toroidal momentum convection in the JET tokamak. Physical Review Letters, Vol.102 (No.7). Article no. 075001. ISSN 0031-9007

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Abstract

Experiments have been carried out on the Joint European Torus tokamak to determine the diffusive and convective momentum transport. Torque, injected by neutral beams, was modulated to create a periodic perturbation in the toroidal rotation velocity. Novel transport analysis shows the magnitude and profile shape of the momentum diffusivity are similar to those of the ion heat diffusivity. A significant inward momentum pinch, up to 20 m/s, has been found. Both results are consistent with gyrokinetic simulations. This evidence is complemented in plasmas with internal transport barriers.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Physical Review Letters
Publisher:	American Physical Society
ISSN:	0031-9007
Official Date:	20 February 2009
Volume:	Vol.102
Number:	No.7
Number of Pages:	4
Page Range:	Article no. 075001
Identification Number:	10.1103/PhysRevLett.102.075001
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	European Communities
URI:	http://wrap.warwick.ac.uk/id/eprint/28412

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