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Without taking credit for any active safety measures, off-site public doses were assessed based on a hypothetical worst case fusion plant accident sequence. This sequence was identified during the SEAFP study as a small pipe break LOCA occurring in the blanket of the Plant Model 2. Several sources of active material are mobilised following the LOCA and are transported across successive containment barriers as the accident sequence evolves, with some small fraction of the source inventory eventually reaching the environment. Using conservative assumptions throughout, transport, aerosol and dose modelling procedures were employed in order to determine several indices of public dose exposure. The calculations indicate that maximum doses are well below levels at which emergency intervention would be indicated.

Additional information

Authors: BUNZ H, Forschungszentrum Karlsruhe GmbH (DE);RASKOB W, Forschungszentrum Karlsruhe GmbH (DE);FORTY C B A, AEA Fusion, Culham Laboratory, Abingdon, Oxon (GB);FREUDENSTEIN K F, Siemens KWU, Erlangen (DE)
Bibliographic Reference: Report: UKAEA FUS 346 EN (1996) 8pp.
Availability: Available from the Librarian, UKAEA, Culham Laboratory, Abingdon, Oxon, OX14 3DB (GB)
Record Number: 199611359 / Last updated on: 1996-11-21
Original language: en
Available languages: en