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The paper considers the ITER (International Thermonuclear Experimental Reactor) challenge to address successfully the critical issues related to a thermonuclear fusion reactor. The main issues are a physics understanding of ignition, ignition control and burn products, the possibility of continuous or semi-continuous operation of a reactor, a divertor configuration that achieves high power exhaust, impurity control, high helium pumping and the rapid recirculation of several grammes of tritium per second and minimisation of the effect of plasma disruptions. It will also be necessary to develop the technology for advanced materials and components required for the first wall and blanket, mechanical structure and superconducting coils and for maintenance.

Additional information

Authors: REBUT P-H ET AL., JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(92)92 EN (1992) 25 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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