- Abstract:
- Two symmetries of the local nonlinear delta-f gyrokinetic system of equations in tokamaks in the high flow regime are presented. The turbulent transport of toroidal angular momentum changes sign under an up-down reflection of the tokamak and a sign change of both the rotation and the rotation shear. Thus, the turbulent transport of toroidal angular momentum must vanish for up-down symmetric tokamaks in the absence of both rotation and rotation shear. This has important implications for the modeling of spontaneous rotation.
- Publication status:
- Published
- Publisher copy:
- 10.1063/1.3586332
-
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- Journal:
- Phys. Plasmas
- Volume:
- 18
- Issue:
- 6
- Pages:
- 062501
- Publication date:
- 2011-02-17
- DOI:
- ISSN:
-
1070-664X
- URN:
-
uuid:5b4a55ca-fded-409a-ab39-2613d10a8730
- Source identifiers:
-
196001
- Local pid:
- pubs:196001
- Language:
- English
- Keywords:
- Copyright date:
- 2011
- Notes:
- 15 pages, 2 figures
Journal article
Up-down symmetry of the turbulent transport of toroidal angular momentum in tokamaks
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