Low-Enriched Uranium Fuel Design with Two-Dimensional Grading for the High Flux Isotope Reactor

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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 ... continued below

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Ilas, Germina & Primm, Trent May 1, 2011.

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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.

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  • Report No.: ORNL/TM-2010/318
  • Grant Number: DE-AC05-00OR22725
  • DOI: 10.2172/1016048 | External Link
  • Office of Scientific & Technical Information Report Number: 1016048
  • Archival Resource Key: ark:/67531/metadc830975

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  • May 1, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 17, 2016, 2:50 p.m.

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Ilas, Germina & Primm, Trent. Low-Enriched Uranium Fuel Design with Two-Dimensional Grading for the High Flux Isotope Reactor, report, May 1, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc830975/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.