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Different operational limits of tokamaks are reviewed. The final limiting processes are hard or soft plasma disruptions or a strong X-ray source. The underlying events are explained as far as the physical causes are known, for the density limit, the low-q limit, the runaway limit, the beta-limit and the vertical displacement limit. In addition, the spontaneous MHD-instability and a hollow temperature profile situation are presented. The graphical displays are experimental results from the TEXTOR tokamak.

Additional information

Authors: WAIDMANN G, Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: Transactions of Fusion Technology, Vol. 25 (1994) No. 2, pp. 45-50
Record Number: 199410583 / Last updated on: 1994-11-28
Original language: en
Available languages: en