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Experimental test of damping models for n=1 toroidal Alfven eigenmodes in JET
KTH, Superseded Departments, Numerical Analysis and Computer Science, NADA.
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2003 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 43, no 6, 479-482 p.Article in journal (Refereed) Published
Abstract [en]

The damping rate of the n = 1 toroidal Alfven eigenmodes (TAE) mode in Ohmic-heated JET plasmas has been measured and compared with the prediction of the kinetic NOVA-K code, which includes electron and ion Landau damping of the global shear-Alfven wave field, collisional damping, and radiative damping. It was found that the calculated damping rate is too small to account for the measured value under these experimental conditions. A relatively weak dependence of the damping rate on the normalized Larmor radius is observed experimentally.

Place, publisher, year, edition, pages
2003. Vol. 43, no 6, 479-482 p.
Keyword [en]
joint european torus, tokamak plasmas, waves
Identifiers
URN: urn:nbn:se:kth:diva-22637ISI: 000183917100010OAI: oai:DiVA.org:kth-22637DiVA: diva2:341335
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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