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

Sebastian Davies, Dzianis Litskevich, Ulrich Rohde, Anna Detkina, Bruno Merk, Paul Bryce, Andrew Levers and Venkata Ravindra
Additional contact information
Sebastian Davies: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Dzianis Litskevich: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Ulrich Rohde: Institute of Innovation, Helmholtz Zentrum Dresden Rossendorf, 01328 Dresden, Germany
Anna Detkina: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Bruno Merk: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Paul Bryce: EDF Energy, Gloucester GL4 3R, UK
Andrew Levers: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK
Venkata Ravindra: School of Engineering, University of Liverpool, Liverpool L69 3GH, UK

Energies, 2021, vol. 14, issue 16, 1-37

Abstract: Understanding and optimizing the relation between nuclear reactor components or physical phenomena allows us to improve the economics and safety of nuclear reactors, deliver new nuclear reactor designs, and educate nuclear staff. Such relation in the case of the reactor core is described by coupled reactor physics as heat transfer depends on energy production while energy production depends on heat transfer with almost none of the available codes providing full coupled reactor physics at the fuel pin level. A Multiscale and Multiphysics nuclear software development between NURESIM and CASL for LWRs has been proposed for the UK. Improved coupled reactor physics at the fuel pin level can be simulated through coupling nodal codes such as DYN3D as well as subchannel codes such as CTF. In this journal article, the first part of the DYN3D and CTF coupling within the Multiscale and Multiphysics software development is presented to evaluate all inner iterations within one outer iteration to provide partially verified improved coupled reactor physics at the fuel pin level. Such verification has proven that the DYN3D and CTF coupling provides improved feedback distributions over the DYN3D coupling as crossflow and turbulent mixing are present in the former.

Keywords: nuclear reactor; coupled reactor physics; nodal code; subchannel code; DYN3D; CTF; KAIST (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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