Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 44 / Number 2 / Pages 425-429
W. E. Han
Fusion Science and Technology / Volume 44 / Number 2 / Pages 425-429
Format:electronic copy (download)
Refinements to consequence modelling for hypothetical accidents in Fusion Power Plants have been explored. This leads to improved accuracy and a reduction in some of the conservatism inherent in previous calculations. Assumptions made in previous analyses for the Safety and Environmental Assessment of Fusion Power (SEAFP) are examined, with particular emphasis given to aerosol modelling within the containment and dispersion and dose calculations. By employing a more realistic treatment of the time dependence in the aerosol model and introducing a procedure for accounting for the effects of wind meander, it is shown how to obtain results which may be used to adjust previously derived dose estimates. Further analysis assesses the possibility of aerosol particle removal by filtering in cracks in the containment barriers, as material leaks into the environment. The potential for mitigation by this mechanism has been neglected in previous calculations.
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