High fidelity modeling of Pellet-CLAD interaction using the CASL virtual environment for reactor applications

K. T. Clarno, R. P. Pawlowski, R. O. Montgomery, T. M. Evans, B. S. Collins, B. Kochunas, D. Gaston, J. A. Turner

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    19 Scopus citations

    Abstract

    The Tiamat code is being developed by CASL (Consortium for Advanced Simulation of Light Water Reactors) as an integrated tool for predicting pellet-clad interaction and improving the high-fidelity core simulator. Tiamat integrates the advanced core simulator capabilities of CASL, VERA-CS, with the multi-dimensional Bison-CASL fuel performance code. VERA-CS provides the coupling of the COBRA-TF sub-channel thermal hydraulics and fuel heat transfer capability with either the Insilico or MPACT neutronics solvers. This report discusses the two neutronics components of VERA and provides a parametric study of the performance of Tiamat using both neutronics codes and a comparison with the VERA-CS version of both. It is demonstrated that Tiamat is robustly capable of modeling pellet-clad interaction and highlights some differences in results due to inclusion of a rigorous fuel performance model rather than simple rod heat transfer.

    Original languageEnglish
    Title of host publicationMathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015
    PublisherAmerican Nuclear Society
    Pages2345-2359
    Number of pages15
    ISBN (Electronic)9781510808041
    StatePublished - 2015
    EventMathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015 - Nashville, United States
    Duration: Apr 19 2015Apr 23 2015

    Publication series

    NameMathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015
    Volume3

    Conference

    ConferenceMathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015
    Country/TerritoryUnited States
    CityNashville
    Period04/19/1504/23/15

    Keywords

    • Bison-CASL
    • COBRA-TF(CTF)
    • Insilico
    • MPACT
    • Tiamat

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