In this paper the results of the investigation of the edge turbulence performed in RFX by a set of Langmuir probes and a homodyne reflectometer are reported. The electrostatic turbulence exhibits large fluctuation amplitude and broad band features in frequency and wavenumber. The effect of the spontaneous E×B velocity shear layer observed at the edge is addressed in order to identify decorrelation effects on the turbulence. Similarities with tokamaks and stellarators are discussed.
Effect of the velocity shear on particle transport and edge turbulence in a reversed field pinch
DESIDERI, DANIELE;
1999
Abstract
In this paper the results of the investigation of the edge turbulence performed in RFX by a set of Langmuir probes and a homodyne reflectometer are reported. The electrostatic turbulence exhibits large fluctuation amplitude and broad band features in frequency and wavenumber. The effect of the spontaneous E×B velocity shear layer observed at the edge is addressed in order to identify decorrelation effects on the turbulence. Similarities with tokamaks and stellarators are discussed.File in questo prodotto:
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