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research article

Development of a novel two-phase flow solver for nuclear reactor analysis: Validation against sodium boiling experiments

Radman, Stefan  
•
Fiorina, Carlo  
•
Pautz, Andreas  
December 1, 2021
Nuclear Engineering And Design

Recent numerical advancements at the Laboratory for Reactor Physics and Systems Behaviour (LRS) have led to the development of a novel two-phase porous medium-based thermal-hydraulic simulation tool, integrated in the broader multi-physics framework of the GeN-Foam code. This simulation tool takes advantage of the modern programming paradigm offered by the finite volume-oriented OpenFOAM numerical library. It enables the 3-D investigation of thermal-hydraulic phenomena in nuclear systems via a dispersed Euler-Euler 6-equation formalism for the representation of two-phase flow. Stemming from previous work related to the presentation and verification of the solution algorithms, this paper is focused on the presentation of the modelling capabilities and their validation against different sets of sodium boiling experiments. These experiments were performed under both quasi-steady-state and transient conditions at former experimental facilities at the Joint Research Centre, Ispra and Kernforschungszentrum Karlsruhe.

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Type
research article
DOI
10.1016/j.nucengdes.2021.111422
Web of Science ID

WOS:000706973400005

Author(s)
Radman, Stefan  
Fiorina, Carlo  
Pautz, Andreas  
Date Issued

2021-12-01

Publisher

ELSEVIER SCIENCE SA

Published in
Nuclear Engineering And Design
Volume

384

Article Number

111422

Subjects

Nuclear Science & Technology

•

two-phase

•

porous-medium

•

sodium boiling

•

openfoam

•

gen-foam

•

heat-transfer

•

physics

•

algorithm

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LRS  
Available on Infoscience
November 6, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/182783
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