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The energy confinement time of Tokamak à Configuration Variable (TCV) ohmic, L-mode plasmas is observed to depend strongly on the shape, improving slightly with elongation and degradation strongly with positive triangularity. This dependence can be explained by a combination of geometrical effects on the temperature gradient and power degradation, without invoking a shape dependence of the transport coefficients. The results are presented in this paper.

Additional information

Authors: MORET J M ET AL, École Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas, Association EURATOM-Confédération Suisse (CH);ANTON M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physical Review Letters (1997)
Record Number: 199611535 / Last updated on: 1997-01-27
Original language: en
Available languages: en
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