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The requirements for radiation cooling in a tokamak are discussed. Experimental evidence for a plasma with a cold radiating boundary - the detached plasma - is presented as an example. The radiation characteristics are analysed and the non-coronal conditions at the plasma boundary are considered by introducing the radiation potential, in order to express the radiation in terms of impurity fluxes rather than densities. The possibilities of radiation control by intrinsic and injected impurities are examined and some experimental examples are presented.

Additional information

Authors: SAMM U, Institut für Plasmaphysik, Kernforschungsanlage Jülich GmbH, Jülich (DE)
Bibliographic Reference: Report: Jül-2378 EN (1990) 30 pp.
Availability: Available from Zentralbibliothek der Kernforschungsanlage Jülich GmbH, Postfach 1913, 5170 Jülich (DE)
Record Number: 199110055 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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