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DYN3D and CTF Coupling within a Multiscale and Multiphysics Software Development (Part II)

Author

Listed:
  • Sebastian Davies

    (School of Engineering, University of Liverpool, Liverpool L69 3GH, UK)

  • Dzianis Litskevich

    (School of Engineering, University of Liverpool, Liverpool L69 3GH, UK)

  • Bruno Merk

    (School of Engineering, University of Liverpool, Liverpool L69 3GH, UK)

  • Andrew Levers

    (School of Engineering, University of Liverpool, Liverpool L69 3GH, UK)

  • Paul Bryce

    (EDF Energy, Gloucester GL4 3RS, UK)

  • Anna Detkina

    (School of Engineering, University of Liverpool, Liverpool L69 3GH, UK)

Abstract

Traditionally, the complex coupled physical phenomena in nuclear reactors has resulted in them being treated separately or, at most, simplistically coupled in between within nuclear codes. Currently, coupling software environments are allowing different types of coupling, modularizing the nuclear codes or multi-physics. Several multiscale and multi-physics software developments for LWR are incorporating these to deliver improved or full coupled reactor physics at the fuel pin level. An alternative multiscale and multi-physics nuclear software development between NURESIM and CASL is being created for the UK. The coupling between DYN3D nodal code and CTF subchannel code can be used to deliver improved coupled reactor physics at the fuel pin level. In the current journal article, the second part of the DYN3D and CTF coupling was carried out to analyse a parallel two-way coupling between these codes and, hence, the outer iterations necessary for convergence to deliver verified improved coupled reactor physics at the fuel pin level. This final verification shows that the DYN3D and CTF coupling delivers improved effective multiplication factors, fission, and feedback distributions due to the presence of crossflow and turbulent mixing.

Suggested Citation

  • Sebastian Davies & Dzianis Litskevich & Bruno Merk & Andrew Levers & Paul Bryce & Anna Detkina, 2022. "DYN3D and CTF Coupling within a Multiscale and Multiphysics Software Development (Part II)," Energies, MDPI, vol. 15(13), pages 1-38, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:13:p:4843-:d:853892
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    References listed on IDEAS

    as
    1. Sebastian Davies & Dzianis Litskevich & Ulrich Rohde & Anna Detkina & Bruno Merk & Paul Bryce & Andrew Levers & Venkata Ravindra, 2021. "DYN3D and CTF Coupling within a Multiscale and Multiphysics Software Development (Part I)," Energies, MDPI, vol. 14(16), pages 1-37, August.
    2. Sebastian Davies & Ulrich Rohde & Dzianis Litskevich & Bruno Merk & Paul Bryce & Andrew Levers & Anna Detkina & Seddon Atkinson & Venkata Ravindra, 2021. "CTF and FLOCAL Thermal Hydraulics Validations and Verifications within a Multiscale and Multiphysics Software Development," Energies, MDPI, vol. 14(5), pages 1-27, February.
    3. Friedrich-Karl Benra & Hans Josef Dohmen & Ji Pei & Sebastian Schuster & Bo Wan, 2011. "A Comparison of One-Way and Two-Way Coupling Methods for Numerical Analysis of Fluid-Structure Interactions," Journal of Applied Mathematics, Hindawi, vol. 2011, pages 1-16, November.
    4. Seddon Atkinson & Anna Detkina & Dzianis Litskevich & Bruno Merk, 2021. "A Comparison of Advanced Boiling Water Reactor Simulations between Serpent/CTF and Polaris/DYN3D: Steady State Operational Characteristics and Burnup Evolution," Energies, MDPI, vol. 14(4), pages 1-37, February.
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