Industrial-Scale Hydrogen Deflagration Simulations Using EUROPLEXUS code - Archive ouverte HAL Access content directly
Conference Papers Year : 2016

Industrial-Scale Hydrogen Deflagration Simulations Using EUROPLEXUS code

(1) , (1) , (1) , (2)
1
2

Abstract

During certain severe accident scenarios in a Nuclear Power Plant, hydrogen gas is released into the reactor building. In the case of ignition, various combustion regimes are possible depending on the local concentrations of hydrogen and steam, as well as pressure and temperature distributions. These regimes may include jet fires, slow or fast deflagrations and detonations. Therefore, in order to improve hydrogen risk management strategies one has to find means to estimate the severity of combustion processes involved in various regimes of flame propagation. In recent years, the use of CFD codes for combustion modelling at industrial scale becomes widely accepted. Due to difference in scales involved in flame propagation modelling in large geometries,validation of a CFD code becomes a necessary preliminary step in order to assure a high level of confidence. This paper describes a validation of the EUROPLEXUS code against several large and medium scale experimental data as well as a methodology for the code application for hydrogen deflagration simulation under typical containment conditions for nuclear safety.
Fichier principal
Vignette du fichier
FULL_PAPER.pdf (853.98 Ko) Télécharger le fichier
Origin : Files produced by the author(s)
Loading...

Dates and versions

hal-02441922 , version 1 (27-02-2020)
hal-02441922 , version 2 (16-03-2020)

Identifiers

  • HAL Id : hal-02441922 , version 2

Cite

S. Kudriakov, E. Studer, A. Beccantini, A. Velikorodny. Industrial-Scale Hydrogen Deflagration Simulations Using EUROPLEXUS code. NUTHOS-11 - The 11th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, Operation and Safety, Oct 2016, Gyeongju, South Korea. ⟨hal-02441922v2⟩

Collections

CEA DEN
34 View
87 Download

Share

Gmail Facebook Twitter LinkedIn More