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Reduced Enrichment for Research and Test Reactors
Nuclear Engineering Division at Argonne
U.S. Department of Energy

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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

McMaster Nuclear Reactor
McMaster University
Hamilton, Ontario, L8S 4K1
Canada

ABSTRACT

Calculations 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.


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Contact:
Mr. Simon Day

Supervisor - Analysis
McMaster Nuclear Reactor
Nuclear Research Building
McMaster University
1280 Main St. W.
Hamilton , ON
Canada L8S 4K1
Phone: (1 905) 525 9140
Fax: (1 905) 528 4339
E-mail: dayse@mcmaster.ca

2016 RERTR Meeting

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2015 RERTR Meeting

The 2015 International RERTR Meeting (RERTR-2015) took place in Seoul, Korea on Oct. 11-14, 2015.
For more information visit RERTR-2015.

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Last modified on July 29, 2008 11:32 +0200