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Abstract

The superconducting toroidal field coil system of a fusion reactor will have large amounts of energy stored both in its magnetic field and as enthalpy of the helium coolant. Magnet failure may take the form either of a quench, which should be regarded as an abnormal operating condition, or of a genuine accident. Failures of either class may act as initiators for accident sequences which localize and release the stored energy. Some such sequences lead to the release of tritium and activation products into the primary containment and provide a mechanism by which the containment may be breached. The release of radioactive material to the environment following such a breach would present a hazard to the public and it is vital, therefore, that the construction of the containment is such that the probability of such a breach is minimal.

Additional information

Authors: HICKS J B CULHAM LABORATORY, ABINGDON, OXON (UK), CULHAM LABORATORY, ABINGDON, OXON (UK)
Bibliographic Reference: AVAILABILITY: WRITE TO THE LIBRARIAN. UKAEA, CULHAM LABORATORY, ABINGDON, OXON OX14 3DB ENGLAND, MENTIONING REPORT CLM-P 736, 1985
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