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Temporal Evolution of Temperature Profiles inside the Magnetic Islands in Textor-94 Plasmas
| Content Provider | Semantic Scholar |
|---|---|
| Author | Udintsev, Victor S. Krämer-Flecken, Andreas Oosterbeek, Johan W. Deng, B. H. Domier, Calvin Donné, A. J. H. Graffmann, E. Pol, Mahesh D. Schüller, Felix |
| Abstract | To gain a better understanding of the development of large by magnetohydrodynamic (MHD) modes, the evolution of the temperature profile inside m/n = 2/1 magnetic islands is being studied at TEXTOR-94 tokamak by means of fast Electron Cyclotron Emission (ECE) diagnostics. To study transport properties of the plasma perturbed by MHD modes, the island width and temperature gradients are evaluated out of the evolution of temperature profiles throughout the island and background plasma. Spectral analysis of the dynamic frequency behavior of the mode has shown a frequency change during current and density ramp-up and ramp-down phases. Possible mechanisms responsible for such kind of behavior are discussed in this paper. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://epsppd.epfl.ch/Madeira/html/pdf/P1.016.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |