Review of available data for validation of nuresim two-phase CFD software applied to CHF investigations

D. Bestion, H. Anglart, D. Caraghiaur, P. Péturaud, B. Smith, M. Andreani, B. Niceno, E. Krepper, D. Lucas, F. Moretti, M. C. Galassi, J. Macek, L. Vyskocil, B. Koncar, G. Házi

Research output: Article

15 Citations (Scopus)

Abstract

The NURESIM Project of the 6th European Framework Program initiated the development of a new-generation common European Standard Software Platform for nuclear reactor simulation. The thermal-hydraulic subproject aims at improving the understanding and the predictive capabilities of the simulation tools for key two-phase flow thermal-hydraulic processes such as the critical heat flux (CHF). As part of a multi-scale analysis of reactor thermal-hydraulics, a two-phase CFD tool is developed to allow zooming on local processes. Current industrial methods for CHF mainly use the sub-channel analysis and empirical CHF correlations based on large scale experiments having the real geometry of a reactor assembly. Two-phase CFD is used here for understanding some boiling flow processes, for helping new fuel assembly design, and for developing better CHF predictions in both PWR and BWR. This paper presents a review of experimental data which can be used for validation of the two-phase CFD application to CHF investigations. The phenomenology of DNB and Dry-Out are detailed identifying all basic flow processes which require a specific modeling in CFD tool. The resulting modeling program of work is given and the current state-of-the-art of the modeling within the NURESIM project is presented.

Original languageEnglish
Article number214512
JournalScience and Technology of Nuclear Installations
Volume2009
DOIs
Publication statusPublished - 2009

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Heat flux
Computational fluid dynamics
Hydraulics
Nuclear reactors
Two phase flow
Boiling liquids
Geometry
Hot Temperature
Experiments

ASJC Scopus subject areas

  • Nuclear Energy and Engineering

Cite this

Review of available data for validation of nuresim two-phase CFD software applied to CHF investigations. / Bestion, D.; Anglart, H.; Caraghiaur, D.; Péturaud, P.; Smith, B.; Andreani, M.; Niceno, B.; Krepper, E.; Lucas, D.; Moretti, F.; Galassi, M. C.; Macek, J.; Vyskocil, L.; Koncar, B.; Házi, G.

In: Science and Technology of Nuclear Installations, Vol. 2009, 214512, 2009.

Research output: Article

Bestion, D, Anglart, H, Caraghiaur, D, Péturaud, P, Smith, B, Andreani, M, Niceno, B, Krepper, E, Lucas, D, Moretti, F, Galassi, MC, Macek, J, Vyskocil, L, Koncar, B & Házi, G 2009, 'Review of available data for validation of nuresim two-phase CFD software applied to CHF investigations', Science and Technology of Nuclear Installations, vol. 2009, 214512. https://doi.org/10.1155/2009/214512
Bestion, D. ; Anglart, H. ; Caraghiaur, D. ; Péturaud, P. ; Smith, B. ; Andreani, M. ; Niceno, B. ; Krepper, E. ; Lucas, D. ; Moretti, F. ; Galassi, M. C. ; Macek, J. ; Vyskocil, L. ; Koncar, B. ; Házi, G. / Review of available data for validation of nuresim two-phase CFD software applied to CHF investigations. In: Science and Technology of Nuclear Installations. 2009 ; Vol. 2009.
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