Modeling of radionuclide transport in porous media: A review of recent studies

R Černý - Journal of Nuclear Materials, 2019 - Elsevier
An overview of recent studies in which the transport of radionuclides in porous materials has
been recently modeled is provided. The focus is on the modeling based on balance …

Characterization of spatial porosity and mineral distribution of crystalline rock using X-ray micro computed tomography, C-14-PMMA autoradiography and scanning …

M Voutilainen, A Miettinen, P Sardini, J Parkkonen… - Applied …, 2019 - Elsevier
The spatial porosity and mineral distribution of geological materials strongly affects transport
processes in them. X-ray micro computed tomography (X-μCT) has proven to be a powerful …

A framework for reactive transport modeling using FEniCS–Reaktoro: governing equations and benchmarking results

LH Damiani, G Kosakowski, MA Glaus… - Computational …, 2020 - Springer
Reactive transport codes are widely applied in geoscience to predict or reconstruct spatial
and temporal evolution of geochemical systems. To provide an accurate description of …

Retardation factor scaling for contaminant transport in fractured media

S Jia, F Ma, Z Yang, Z Zhou, H Ling, T Lan… - Advances in Water …, 2024 - Elsevier
This paper delves into the key factors governing contaminant retardation and the scaling of
retardation factor for contaminant transport in naturally fractured media. It employs a …

Determining Crack Aperture Distribution in Rocks Using the 14C‐PMMA Autoradiographic Method: Experiments and Simulations

M Bonnet, P Sardini, S Billon… - Journal of …, 2020 - Wiley Online Library
Because cracks control the global mechanical and transport properties of crystalline rocks, it
is of a crucial importance to suitably determine their aperture distribution, which evolves …

How Findings from a Multi-Annual International Modeling Initiative Are Implemented in a Nuclear Waste Management Organization

JO Selroos, B Gylling - Energies, 2023 - mdpi.com
In the present paper, we discuss various aspects of the SKB Task Force on Modeling of
Groundwater Flow and Transport of Solutes (TFGWFTS). The TFGWTS is a multi-lateral …

Continuum-based DFN-consistent numerical framework for the simulation of oxygen infiltration into fractured crystalline rocks

P Trinchero, I Puigdomenech, J Molinero… - Journal of contaminant …, 2017 - Elsevier
We present an enhanced continuum-based approach for the modelling of groundwater flow
coupled with reactive transport in crystalline fractured rocks. In the proposed formulation …

Microtomography-based Inter-Granular Network for the simulation of radionuclide diffusion and sorption in a granitic rock

A Iraola, P Trinchero, M Voutilainen, B Gylling… - Journal of contaminant …, 2017 - Elsevier
Field investigation studies, conducted in the context of safety analyses of deep geological
repositories for nuclear waste, have pointed out that in fractured crystalline rocks sorbing …

Electronic autoradiography of 133Ba particle emissions; diffusion profiles in granitic rocks

E Muuri, T Sorokina, J Donnard, S Billon… - Applied Radiation and …, 2019 - Elsevier
The spatial distribution of barium activity in granitic rocks was measured with two
autoradiography techniques; digital autoradiography using phosphor imaging plate …

Modelling the diffusion-available pore space of an unaltered granitic rock matrix using a micro-DFN approach

U Svensson, M Löfgren, P Trinchero, JO Selroos - Journal of Hydrology, 2018 - Elsevier
In sparsely fractured rock, the ubiquitous heterogeneity of the matrix, which has been
observed in different laboratory and in situ experiments, has been shown to have a …