Fuel cycle depletion validation and code-to-code verification studies for High Flux Isotope Reactor highly and low-enriched uranium fuel designs

Chandler, David; Bae, Jin W.; Betzler, Benjamin R.; Hartanto, Donny; Daily, Charles R.

doi:10.1016/j.anucene.2023.109895

Title: Fuel cycle depletion validation and code-to-code verification studies for High Flux Isotope Reactor highly and low-enriched uranium fuel designs

Journal Article · Tue May 09 00:00:00 EDT 2023 · Annals of Nuclear Energy

DOI:https://doi.org/10.1016/j.anucene.2023.109895· OSTI ID:1984358

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^[1]; Daily, Charles R. ^[1]

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Radiant, El Segundo, CA (United States)

Here, this paper documents fuel cycle depletion validation and code-to-code verification studies for the High Flux Isotope Reactor (HFIR) highly enriched uranium (HEU) and proposed low-enriched uranium (LEU) fuel designs. In support of HFIR’s world-leading performance, transport and depletion simulations are performed to ensure safe operations, design and qualify irradiation experiments, enhance core components and irradiation facilities, and design and characterize LEU fuel designs. Identifying well-validated, computationally efficient codes is required for the success of these efforts. The HFIR Controller, Shift, and VESTA codes were deployed to simulate HEU uranium–oxide dispersion fuel cycles at 85, 95, and 100 MW operations, as well as LEU fuel cycles operating at 95 MW with uranium–silicide dispersion and uranium–molybdenum monolithic alloy fuel forms. Excellent agreement between the codes and with experimentally obtained ²³⁵U enrichment distributions provides increased confidence in the ability of these codes to model and simulate HFIR’s unique core design.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1984358

Alternate ID(s):: OSTI ID: 1999679

Journal Information:: Annals of Nuclear Energy, Vol. 190, Issue 190; ISSN 0306-4549

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Fuel cycle depletion validation and code-to-code verification studies for High Flux Isotope Reactor highly and low-enriched uranium fuel designs

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