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The various diagnostics available for the TEXTOR boundary enable measurements of radial temperature profiles giving an insight into heat transport processes in tokamaks. The results are presented of some of these measurements performed on plasmas under various discharge conditions. The plasmas are strongly cooled in the boundary by impurity radiation and are used to estimate the effective plasma heat diffusivity. Comparison is made with an established theoretical model for anomalous heat transport, and conclusions drawn as to its applicability for measuring ion temperatures.

Additional information

Authors: LIE Y T ET AL., Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: 21st EPS Conference on Controlled Fusion and Plasma Physics, Montpellier, 27 June - 1 July, 1994, Vol. 18B (1994) Part I, pp. 126-129
Record Number: 199510179 / Last updated on: 1995-02-07
Original language: en
Available languages: en