Serpent/SUBCHANFLOW pin-by-pin coupled transient calculations for a PWR minicore

Diego Ferraro (Corresponding Author), Manuel García, Ville Valtavirta, Uwe Imke, Riku Tuominen, Jaakko Leppänen, Victor Sanchez-Espinoza

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    An increasing interest on the development of highly accurate methodologies in reactor physics has been observed during the last years. The McSAFE high-fidelity project has the objective of moving multiphysics schemes based on Monte Carlo (MC) neutronic calculations to become valuable tools for industry-like applications for LWRs for steady-state, burnup and transient calculations. This work deals with the transient calculation capabilities, developed here through the coupling between the Serpent 2 MC code and the subchannel code SUBCHANFLOW. This is done through a new versatile internal (master-slave) coupling, recently rewritten from scratch to include both codes inherent capabilities. To verify the implementation, a series of RIA-type transients scenarios are proposed and solved for a PWR minicore, considering a pin-by-pin level coupling. Global and detailed results are obtained and analyzed, verifying the consistency and showing the capabilities of the tool. Finally a raw estimation of resources requirements is presented and briefly discussed.

    Original languageEnglish
    Article number107090
    JournalAnnals of Nuclear Energy
    Volume137
    DOIs
    Publication statusAccepted/In press - 2019
    MoE publication typeA1 Journal article-refereed

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    Keywords

    • Coupled transient calculations
    • High-fidelity multiphysics
    • Monte Carlo
    • Serpent 2
    • SUBCHANFLOW

    Cite this

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    abstract = "An increasing interest on the development of highly accurate methodologies in reactor physics has been observed during the last years. The McSAFE high-fidelity project has the objective of moving multiphysics schemes based on Monte Carlo (MC) neutronic calculations to become valuable tools for industry-like applications for LWRs for steady-state, burnup and transient calculations. This work deals with the transient calculation capabilities, developed here through the coupling between the Serpent 2 MC code and the subchannel code SUBCHANFLOW. This is done through a new versatile internal (master-slave) coupling, recently rewritten from scratch to include both codes inherent capabilities. To verify the implementation, a series of RIA-type transients scenarios are proposed and solved for a PWR minicore, considering a pin-by-pin level coupling. Global and detailed results are obtained and analyzed, verifying the consistency and showing the capabilities of the tool. Finally a raw estimation of resources requirements is presented and briefly discussed.",
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    language = "English",
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    journal = "Annals of Nuclear Energy",
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    publisher = "Elsevier",

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    Serpent/SUBCHANFLOW pin-by-pin coupled transient calculations for a PWR minicore. / Ferraro, Diego (Corresponding Author); García, Manuel; Valtavirta, Ville; Imke, Uwe; Tuominen, Riku; Leppänen, Jaakko; Sanchez-Espinoza, Victor.

    In: Annals of Nuclear Energy, Vol. 137, 107090, 03.2020.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - García, Manuel

    AU - Valtavirta, Ville

    AU - Imke, Uwe

    AU - Tuominen, Riku

    AU - Leppänen, Jaakko

    AU - Sanchez-Espinoza, Victor

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