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Cryogenics is an integral part of current and future fusion devices. The large scale cryosystem of JET comprises three large cryopump systems for neutral injection and pellet injection using a He refrigerator plant ( 800W ) and a LN(2) distribution facility for 110,000 litres. The handling of the plasma fuel (D(2)/T(2) and impurities) will be accomplished by cryogenic cold traps and separation by cryodistillation. NET, the follow up project of JET is now at the design stage. Major cryogenics will be required for the superconducting magnets of the toroidal and poloidal field coils and for the plasma exhaust and fuel processing.

Additional information

Authors: OBERT W, JET Joint Undertaking, Abingdon, Oxon (GB)
Bibliographic Reference: Report: JET-P(88)32 EN (1988)
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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