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Magnetic confinement of plasmas using the tokamak concept is the most advanced approach to controlled thermonuclear fusion. Recent results from the Joint European Torus (JET) and other smaller devices have allowed the size and operating conditions of a fusion reactor to be predicted with some confidence. The major challenges facing construction of a reactor have been identified and relate to the continuous or semi-continuous operation of a reactor, the divertor configuration, power accommodation during abnormal events, and the development of the component technology and advanced materials needed for the first wall and blanket, and the mechanical structure and superconducting coils. A further challenge is the integration of these different reactor issues into a coherent and cost effective design.

Additional information

Authors: KEEN B E, JET Joint Undertaking, Abingdon, Oxon. (GB);WATKINS M L, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(93)67 EN (1993) 21 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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