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A Review of Candidates for a Validation Data Set for High-Assay Low-Enrichment Uranium Fuels

Journal Article · · Journal of Nuclear Engineering
DOI:https://doi.org/10.3390/jne4030038· OSTI ID:2204569
 [1];  [2];  [3]
  1. Idaho National Laboratory (INL), Idaho Falls, ID (United States)
  2. JFoster and Associates, Idaho Falls, ID (United States)
  3. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Many advanced reactor concept designs rely on high-assay low-enriched uranium (HALEU) fuel, enriched up to approximately 19.75% 235U by weight. Efforts are underway by the US government to increase HALEU production in the United States to meet anticipated needs. However, very few data exist for validation of computational models that include HALEU, beyond a few fresh fuel benchmark specifications in the International Reactor Physics Experiment Evaluation Project. Nevertheless, there are other data with potential value available for developing into quality benchmarks for use in data- and software-validation efforts. This paper reviews the available evaluated HALEU fuel benchmarks and some of the potentially relevant benchmarks for fresh highly enriched uranium. It then introduces experimental data for HALEU fuel irradiated at Idaho National Laboratory, from relatively recent irradiation programs at the Advanced Test Reactor. Such data should be evaluated and, if valuable, collected into detailed benchmark specifications to meet the needs of HALEU-based reactor designers.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE), Nuclear Energy Advanced Modeling and Simulation (NEAMS)
Grant/Contract Number:
AC05-00OR22725; AC07-05ID14517
OSTI ID:
2204569
Journal Information:
Journal of Nuclear Engineering, Journal Name: Journal of Nuclear Engineering Journal Issue: 3 Vol. 4; ISSN 2673-4362
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

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