Coupled burnup calculations with the serpent 2 Monte Carlo code

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    Abstract

    This article describes the implementation of a burnup scheme with coupled fuel behavior feedback into the Monte Carlo code Serpent 2. The new capabilities are applied to estimate the effects of typical simplifications concerning the fuel temperature distribution in the burnup history part of group constant generation. A set of group constants are generated for an assembly of the EPR by executing the burnup history calculation with either an assembly wide constant effective fuel temperature or realistic pin-wise fuel temperature distributions provided by a coupling to an external fuel performance solver. The differences in nuclide concentrations and generated group constants are quantified and the benefits of using a separate effective temperature for burnable absorber rods is investigated.
    Original languageEnglish
    Number of pages12
    Publication statusPublished - 2017
    EventInternational Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2017 - Jeju, Korea, Republic of
    Duration: 16 Apr 201720 Apr 2017

    Conference

    ConferenceInternational Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2017
    Abbreviated titleM&C 2017
    CountryKorea, Republic of
    CityJeju
    Period16/04/1720/04/17

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  • Cite this

    Valtavirta, V., & Leppänen, J. (2017). Coupled burnup calculations with the serpent 2 Monte Carlo code. Paper presented at International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M&C 2017, Jeju, Korea, Republic of. https://www.kns.org/files/int_paper/paper/MC2017_2017_2/P092S02-01ValtavirtaV.pdf