Low-Enriched Uranium Fuel Design with Two-Dimensional Grading for the High Flux Isotope Reactor
- ORNL
An engineering design study of the conversion of the High Flux Isotope Reactor (HFIR) from high-enriched uranium (HEU) to low-enriched uranium (LEU) fuel is ongoing at Oak Ridge National Laboratory. The computational models developed during fiscal year 2010 to search for an LEU fuel design that would meet the requirements for the conversion and the results obtained with these models are documented and discussed in this report. Estimates of relevant reactor performance parameters for the LEU fuel core are presented and compared with the corresponding data for the currently operating HEU fuel core. The results obtained indicate that the LEU fuel design would maintain the current performance of the HFIR with respect to the neutron flux to the central target region, reflector, and beam tube locations under the assumption that the operating power for the reactor fueled with LEU can be increased from the current value of 85 MW to 100 MW.
- Research Organization:
- Oak Ridge National Laboratory (ORNL); High Flux Isotope Reactor
- Sponsoring Organization:
- NNSA USDOE - National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1016048
- Report Number(s):
- ORNL/TM-2010/318; NN9002000; MDGA518
- Country of Publication:
- United States
- Language:
- English
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