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The ergodic divertor experiments in Tore Supra can be analysed along two main lines. The first refers to the change of the heat and particle transport in the ergodised zone. This is especially true for the electron heat transport which is enhanced in the edge layer. Other distinctive features give evidence of the importance of the parallel connexion length between the plasma edge and the wall. The field lines, which are stochastic in the major part of the perturbed layer (10-15 cm) are such that, in the outermost layer (3 cm), the connexion topology is regular. This has obvious effects on the particle and power deposition, and also on the plasma parameters, and consequently influences the particle recycling and impurity shielding processes. The Tore Supra ergodic divertor experiments are reviewed in this framework.

Additional information

Authors: GROSMAN A ET AL., CEA, Département de Recherches sur la Fusion Contrôlée, CEN Cadarache, Saint-Paul-lez-Durance (FR);FERNANDEZ V, CRM C2-CNRS, Marseille (FR);BARDON J, CRM C2-CNRS, Marseille (FR);ROTH J, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);UCKAN T ET AL., Oak Ridge National Laboratory, Fusion Energy Division (US)
Bibliographic Reference: Report: EUR-CEA-FC-1456 EN (1992) 142 pp.
Availability: Available from CEA, Département de Recherches sur la Fusion Contrôlée, Saint-Paul-lez-Durance (FR)
Record Number: 199211220 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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