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A flexible mathematical model has been developed to simulate the transient thermal response of a number of nuclear fusion components, including cryogenic devices which operate inside the Joint European Torus (JET) tokamak. The present work reports on the simulation of an accident scenario, as well as on further studies on hypothetical off-normal scenarios concerning an out of vessel cryopump. These studies resulted in a complete safety protection system for the lower hybrid current drive (LHCD) cryopump which has been implemented into the JET operating routines.

Additional information

Authors: AGELADARAKIS P A, JET Joint Undertaking, Abingdon, Oxon (GB);PAPASTERGIOU S, JET Joint Undertaking, Abingdon, Oxon (GB);O DOWD N P, Imperial college, London (GB);WEBSTER G A, Imperial college, London (GB)
Bibliographic Reference: Report: JET-R(97)10 EN (1997) 11pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon, OX14 3EA (GB)
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