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Abstract

The transport of impurities into ohmic and ion- cyclotron radio-frequency (ICRF) heated plasmas has been studied by laser blow-off injection of vanadium. No difference has been found between the two experimental situations, in spite of the fact that degradation of the energy confinement time is observed in ICRF heated plasmas in the mode conversion regime. Additionally, simulation of the saw-tooth modulated He-like V**21+ resonance line has shown that the impurity transport parameters are not modified by the internal disruptions.

Additional information

Authors: TFR GROUP CEA, FONTENAY-AUX-ROSES (FRANCE), CEA, FONTENAY-AUX-ROSES (FRANCE)
Bibliographic Reference: WRITE TO CEA MENTIONING EUR-CEA-FC-1274 EN, 1985
Availability: Can be ordered online
Record Number: 1989124060100 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en