United States Nuclear Regulatory Commission - Protecting People and the Environment

Material Property Correlations: Comparisons between FRAPCON-3.5, FRAPTRAN 1.5, and MATPRO (NUREG/CR-7024, Revision 1)

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Publication Information

Manuscript Completed: May 2014
Date Published: October 2014

Prepared by:
W.G. Luscher and K.J. Geelhood

Pacific Northwest National Laboratory
Richland, WA 99352

P. Raynaud, NRC Project Manager

NRC Job Code V6197

Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington DC 20555-0001

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Abstract

The U.S. Nuclear Regulatory Commission uses the computer codes FRAPCON-3 and FRAPTRAN to model steady-state and transient fuel behavior, respectively, to support regulatory analyses. In this document, material property correlations for oxide fuels and cladding materials are presented and discussed. Comparisons are made between the material property correlations used in the most recent versions of the codes, FRAPCON-3.5 and FRAPTRAN-1.5. Comparisons are also made with MATPRO, which is a compilation of material property correlations with an extensive history of use with various fuel performance and severe accident codes. In addition to model-to-model comparisons, model-to-data comparisons and source codes for the FRAPCON-3.5 and FRAPTRAN-1.5 correlations are provided.

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