On the mutual effect of ion temperature gradient instabilities and impurity peaking in the reversed field pinch

Details On the mutual effect of ion temperature gradient instabilities and impurity peaking in the reversed field pinch On the mutual effect of ion temperature gradient instabilities and impurity peaking in the reversed field pinch

2011-10-21

arxiv.org/abs/1110.4815v1

Physics

Plasma Physics

19 pages, 9 figures, accepted for publication in Plasma Phys. Control. Fusion

Scientific paper

The presence of impurities is considered in gyrokinetic calculations of ion temperature gradient (ITG) instabilities and turbulence in the reversed field pinch device RFX-mod. This device usually exhibits hollow Carbon/Oxygen profiles, peaked in the outer core region. We describe the role of the impurities in ITG mode destabilization, and analyze whether ITG turbulence is compatible with their experimental gradients.

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