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  • DIOSCUR : Divertor optimization and steady current : Study of a tokamak aimed at steady state operation with reactor relevant plasma parameters


A study has been carried out on a tokamak (DIOSCUR) devoted to the task of producing plasma regimes approaching steady state operation and demonstrating solutions which can be applicable to a reactor. The possibility of applying the results obtained to a reactor depends on the achievement, in the experiment, of plasma parameters reasonably close to those of a reactor regime, and on the use of technologies which can also be used on a reactor. The main objective of achieving steady state operation is basically independent of the plasma fuel used in the experiments. Operational flexibility considerations suggest the extensive use of hydrogen, deuterium and helium as main operating gas fuels. In this way the nuclear activation, the environmental impact and the decommissioning costs could be minimised. However, later in the programme limited experiments with D-T could be envisaged for demonstration purposes. It is expected that the plasma of DIOSCUR could have equivalent energy gain values between a factor of 4 and infinity.

Additional information

Authors: ALLADIO F ET AL., ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Report: ENEA RT/NUCL/91/28 EN (1991) 89 pp.
Availability: Available from Servizio Studi e Documentazione, ENEA, Centro Ricerche Energia Frascati, C.P. 65-00044 Frascati, Roma (IT)
Record Number: 199210525 / Last updated on: 1994-12-02
Original language: en
Available languages: en