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Modeling bubble flow in fracture with lattice Boltzmann model

Abstract : In the framework of radioactive waste disposal studies, behavior of hydrogen produced through anaerobic corrosion of the steel canisters is a key point. At the near and far field scale, the migration process of hydrogen is modeled using macroscopic two-phase flow models requiring macroscopic data like relative permeability curves. As relative permeability curves for very low permeable media are difficult to measure experimentally, two-phase flow modelling at the pore scale appears as an interesting tool. The objective of this paper is to present a Lattice Boltzmann approach used to model two-phase flow in fractures with apertures of a few micrometers in aperture and some elementary simulations of bubble flow allowing to understand the behavior of two-phase flow in very low gas saturation context
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  • HAL Id : cea-02489482, version 1

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S. Ben Hadj Hassine, A. Genty, V. Pot, M. Dymitrowska. Modeling bubble flow in fracture with lattice Boltzmann model. MAMERN VI (2015) - 6 th International Conference on Approximation Methods and Numerical Modelling in Environment and Natural Resources, Jun 2015, Pau, France. ⟨cea-02489482⟩

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