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Evidence of inward toroidal momentum convection in the JET tokamak
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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. doi:10.1103/PhysRevLett.102.075001
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.102.075001
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 | ||||
| Dates: |
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| Volume: | Vol.102 | ||||
| Number: | No.7 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | Article no. 075001 | ||||
| DOI: | 10.1103/PhysRevLett.102.075001 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | European Communities |
Data sourced from Thomson Reuters' Web of Knowledge
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