Comparison of Computational Estimations of Reactivity Margin From Fission Products and Minor Actinides in PWR Burnup Credit

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This paper has presented the results of a computational benchmark and independent calculations to verify the benchmark calculations for the estimation of the additional reactivity margin available from fission products and minor actinides in a PWR burnup credit storage/transport environment. The calculations were based on a generic 32 PWR-assembly cask. The differences between the independent calculations and the benchmark lie within 1% for the uniform axial burnup distribution, which is acceptable. The {Delta}k for KENO - MCNP results are generally lower than the other {Delta}k values, due to the fact that HELIOS performed the depletion part of the calculation for ... continued below

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10 pages

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Sanders, C. E. July 20, 2001.

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This paper has presented the results of a computational benchmark and independent calculations to verify the benchmark calculations for the estimation of the additional reactivity margin available from fission products and minor actinides in a PWR burnup credit storage/transport environment. The calculations were based on a generic 32 PWR-assembly cask. The differences between the independent calculations and the benchmark lie within 1% for the uniform axial burnup distribution, which is acceptable. The {Delta}k for KENO - MCNP results are generally lower than the other {Delta}k values, due to the fact that HELIOS performed the depletion part of the calculation for both the KENO and MCNP results. The differences between the independent calculations and the benchmark for the non-uniform axial burnup distribution were within 1.1%.

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10 pages

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  • 2001 ANS Embedded Topical Meeting on Practical Implementation of Nuclear Criticality Safety, Reno, NV (US), 11/11/2001--11/15/2001

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  • Report No.: P01-111352
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 786339
  • Archival Resource Key: ark:/67531/metadc724799

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  • July 20, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • Sept. 25, 2017, 5:16 p.m.

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Sanders, C. E. Comparison of Computational Estimations of Reactivity Margin From Fission Products and Minor Actinides in PWR Burnup Credit, article, July 20, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc724799/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.