Facility Details: EXHYST

Organization / Localization: CEA
Country: France
Facility Description: Stainless steel tube equipped with annular obstacles uni formly distributed all along the tubelength
SA-Related Topics / Phenomena: Hydrogen combustion/Initial pressure effect on flame acceleration process
Measured Parameters: Pressure, temperature, velocity profile
Modelling: Turbulence model: k-omega SST.
Simulation Code: OpenFOAM
Experimental Research Program: MITHYGENE ANR National Project
References: [1] R. Scarpa, E. Studer, B. Cariteau, S. Kudriakov, & N. Chaumeix. Infrared Absorption Measurements of the Velocity of a Premixed Hydrogen/Air Flame Propagating in an Obstacle-Laden Tube. Combustion Science and Technology, 191(4), 696–710 (2019).

[2] R. Scarpa, E. Studer, S. Kudriakov, B. Cariteau, & N. Chaumeix. Influence of initial pressure on hydrogen/air flame acceleration during severe accident in NPP. International Journal of Hydrogen Energy, 44(17), 9009–9017 (2019).

[3] A. Karanam, A. M. Vaidya, & V. Verma. Numerical modeling and validation of hydrogen flame acceleration using OpenFOAM. Sādhanā, 51, 91 (2026). https://doi.org/10.1007/s12046-026-03108-6
Organization / Localization: CEA
Country: France
Facility Description: Stainless steel tube equipped with annular obstacles uni formly distributed all along the tubelength
SA-Related Topics / Phenomena: Hydrogen combustion/Flame acceleration and deflagration to detonation transition: effect of thin plates
Measured Parameters: Pressure, temperature
Experimental Research Program: MITHYGENE ANR National Project
References: [1] S. Koudriakov, E. Studer, A. Dancelme, C. Tenaud, and P.-A. Masset, ‘Sexhy experimental results on pressure dynamics from head-on reflections of hydrogen flames’, in ICHS 2023-International Conference of Hydrogen Safety, 2023




Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)