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arXiv · 0902.2710

Control of Transport-barrier relaxations by Resonant Magnetic Perturbations

M. Leconte·P. Beyer·X. Garbet·S. Benkadda
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Abstract

Transport-barrier relaxation oscillations in the presence of resonant magnetic perturbations are investigated using three-dimensional global fluid turbulence simulations from first principles at the edge of a tokamak. It is shown that resonant magnetic perturbations have a stabilizing effect on these relaxation oscillations and that this effect is due mainly to a modification of the pressure profile linked to the presence of both residual residual magnetic island chains and a stochastic layer.

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M. Leconte, P. Beyer, X. Garbet, S. Benkadda. 2009-02-16. Control of Transport-barrier relaxations by Resonant Magnetic Perturbations. https://doi.org/10.1103/physrevlett.102.045006

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