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Three-dimensional numerical simulation by upscaling of gas migration through engineered and geological barriers for a deep repository for radioactive waste (CROSBI ID 53131)

Prilog u knjizi | izvorni znanstveni rad

Ahusborde, Etienne ; Amaziane, Brahim ; Jurak, Mladen Three-dimensional numerical simulation by upscaling of gas migration through engineered and geological barriers for a deep repository for radioactive waste // Gas Generation and Migration in Deep Geological Radioactive Waste Repositories / Shaw, R.P. (ur.). London : Delhi: The Geological Society, 2015. str. 121-141 doi: 10.1144/SP415

Podaci o odgovornosti

Ahusborde, Etienne ; Amaziane, Brahim ; Jurak, Mladen

engleski

Three-dimensional numerical simulation by upscaling of gas migration through engineered and geological barriers for a deep repository for radioactive waste

This paper presents the results of a benchmark study that compares a number of numerical models applied to a specific problem in the context of hydrogen flow and transport in a nuclear waste repository. The processes modelled are two-phase (water and hydrogen) immiscible compressible two-component transient flow in a heterogeneous porous medium under isothermal conditions. The three-dimensional (3D) model represents a module of a repository for high-level waste in a clay host rock. An upscaling technique and a vertex-centred finite-volume method are employed to yield very accurate solutions. Since the full range of results required in the benchmark is too large to be displayed in this paper, we focus on the evolution of the pressures, the saturations, the fluxes and the comparison of the numerical results with the other participants. A homemade C++ upscaling code and the parallel multiphase flow simulator DuMuX have been adopted for this study.

nuclear waste repository ; upscaling ; finite-volume method ; multiphase flow

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Podaci o prilogu

121-141.

objavljeno

10.1144/SP415

Podaci o knjizi

Gas Generation and Migration in Deep Geological Radioactive Waste Repositories

Shaw, R.P.

London : Delhi: The Geological Society

2015.

978-1-86239-722-4

0305-8719

Povezanost rada

Matematika

Poveznice
Indeksiranost