Abstracts and Available Papers Presented at the 2002 International RERTR Meeting
CALCULATIONS IN SUPPORT OF THE MNR CORE CONVERSION
S. E. Day, M. P. Butler, Wm. J. Garland
and results in support of the HEU to LEU fuel conversion for the McMaster
Nuclear Reactor are described. Static
reactor physics studies were used to determine local and global power
distributions; facilitating the definition of a Reference Core configuration
for mixed HEU-LEU and complete LEU loadings.
Fission product inventory calculations were used to compare the two fuel
enrichments from a radiological hazard point of view. Thermalhydraulic models were created and analyzed to determine
steady-state temperature distributions and safety margins, and used as a scoping
tool the in development of a full core thermalhydraulic model. The behaviour of the two enrichment fuels
was investigated in the context of a protected startup transient. The simulation results support the
conclusion that the LEU fuel behaves in much the same way as the HEU fuel,
which it is replacing. The conversion
results in no new safety issues or significant changes in safety parameters.
Mr. Simon Day Supervisor - Analysis
McMaster Nuclear Reactor
Nuclear Research Building
1280 Main St. W. Hamilton , ON
Canada L8S 4K1
Phone: (1 905) 525 9140
Fax: (1 905) 528 4339
E-mail: [email protected]
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