A PWR Thorium Pin Cell Burnup Benchmark

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As part of work to evaluate the potential benefits of using thorium in LWR fuel, a thorium fueled benchmark comparison was made in this study between state-of-the-art codes, MOCUP (MCNP4B + ORIGEN2), and CASMO-4 for burnup calculations. The MOCUP runs were done individually at MIT and INEEL, using the same model but with some differences in techniques and cross section libraries. Eigenvalue and isotope concentrations were compared on a PWR pin cell model up to high burnup. The eigenvalue comparison as a function of burnup is good: the maximum difference is within 2% and the average absolute difference less than ... continued below

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Weaver, Kevan Dean; Zhao, X.; Pilat, E. E & Hejzlar, P. May 1, 2000.

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Description

As part of work to evaluate the potential benefits of using thorium in LWR fuel, a thorium fueled benchmark comparison was made in this study between state-of-the-art codes, MOCUP (MCNP4B + ORIGEN2), and CASMO-4 for burnup calculations. The MOCUP runs were done individually at MIT and INEEL, using the same model but with some differences in techniques and cross section libraries. Eigenvalue and isotope concentrations were compared on a PWR pin cell model up to high burnup. The eigenvalue comparison as a function of burnup is good: the maximum difference is within 2% and the average absolute difference less than 1%. The isotope concentration comparisons are better than a set of MOX fuel benchmarks and comparable to a set of uranium fuel benchmarks reported in the literature. The actinide and fission product data sources used in the MOCUP burnup calculations for a typical thorium fuel are documented. Reasons for code vs code differences are analyzed and discussed.

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  • Advances in Reactor Physics and Mathematics and Computation into the Next Millennium (PHYSOR 2000),Pittsburgh, PA,05/07/2000,05/11/2000

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  • Report No.: INEEL/CON-00-00227
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 910697
  • Archival Resource Key: ark:/67531/metadc884564

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 1, 2000

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 6, 2016, 4:55 p.m.

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Weaver, Kevan Dean; Zhao, X.; Pilat, E. E & Hejzlar, P. A PWR Thorium Pin Cell Burnup Benchmark, article, May 1, 2000; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc884564/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.