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Criteria for maximum tolerable concentrations of impurity ions within the hot core of a fusion plasma are derived from power balance considerations. The dominant processes for impurity production as well as appropriate countermeasures are outlined. A phenomenological description of sawtooth activity is provided and the detrimental effect of periodic confinement degradations in a burning fusion plasma is reported. Technical means of suppressing sawteeth are indicated.

Additional information

Authors: SOLTWISCH H, Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: Transactions of Fusion Technology, Vol. 25 (1994) No. 2, pp. 51-55
Record Number: 199410584 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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