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An experimental study of ion flow in the edge plasma of the tokamak TEXTOR is described. The corresponding predictions of neoclassical theory are verified qualitatively to a large extent and quantitatively for small densities. The measurements indicate that the observed drift of the ions is due to the neoclassical toroidal plasma flow and ion bootstrap current. The energy density of the drift is significant compared with the total thermal energy density. Application of the model developed for the edge plasma allows an extensive understanding of the characteristic feature of the particle exhaust by the pump limiters on TEXTOR.

Additional information

Authors: HÖTHKER K ET AL., Forschungszentrum Jülich GmbH (KFA) (DE);BIEGER W, Fachhochschule Aachen, Jülich (DE);BOEDO J A, University of California at Los Angeles, Institute of Plasma and Fusion Research (US);HOTHKER K ET AL., Forschungszentrum Julich GmbH (KFA) (DE)
Bibliographic Reference: Article: Nuclear Fusion, Vol. 34 (1994) No. 11, pp. 1461-1471
Record Number: 199510167 / Last updated on: 1995-02-07
Original language: en
Available languages: en