Hydro-thermal impacts on near-field flow and transport in a shale-hosted nuclear waste repository

KW Chang, T LaForce, LL Price - Tunnelling and Underground Space …, 2022 - Elsevier
Performance of geologic radioactive waste repositories depends on near-field and far-field
processes, including km-scale flow and transport in engineered and natural barriers, that …

Reduced-order modeling of near-field THMC coupled processes for nuclear waste repositories in shale

KW Chang, M Nole, ER Stein - Computers and Geotechnics, 2021 - Elsevier
Performance assessment (PA) of geologic radioactive waste repositories requires three-
dimensional simulation of highly nonlinear, thermo-hydro-mechanical-chemical (THMC) …

Application of generic disposal system models

P Mariner, GE Hammond, SD Sevougian, E Stein - 2015 - osti.gov
This report describes specific GDSA activities in fiscal year 2015 (FY2015) toward the
development of the enhanced disposal system modeling and analysis capability for geologic …

Advances in Geologic Disposal System Modeling and Shale Reference Cases

PE Mariner, ER Stein, JM Frederick, SD Sevougian… - 2017 - osti.gov
The Spent Fuel and Waste Science and Technology (SFWST) Campaign of the US
Department of Energy (DOE) Office of Nuclear Energy (NE), Office of Fuel Cycle Technology …

Status of Progress Made Toward Safety Analysis and Technical Site Evaluations for DOE Managed HLW and SNF.

SD Sevougian, E Stein, MB Gross, GE Hammond… - 2016 - osti.gov
The Spent Fuel and Waste Science and Technology (SFWST) Campaign of the US
Department of Energy (DOE) Office of Nuclear Energy (NE) is conducting research and …

Reduced diffusion and enhanced retention of multiple radionuclides from pore structure characterization of barrier materials for enhanced repository performance

QM Hu - 2022 - osti.gov
Fluid flow and chemical transport in porous media are the macroscopic consequences of
pore structure, which integrates geometry (eg, pore size and surface area, pore-size …

Hydrothermal interaction of Wyoming bentonite and opalinus clay

K Sauer, F Caporuscio, M Rock, M Cheshire… - Clays and Clay …, 2020 - cambridge.org
Most investigations into clay-mineral stability and new mineral formation within engineered
barrier system (EBS) materials for geologic repositories of nuclear waste have focused on …

Performance Assessment Modeling and Sensitivity Analyses of Generic Disposal System Concepts.

SD Sevougian, GA Freeze, WP Gardner, GE Hammond… - 2014 - osti.gov
directly, rather than through simplified abstractions. It also a llows for complex
representations of the source term, eg, the explicit representation of many individual waste …

Water migration and swelling in engineered barrier materials for radioactive waste disposal

J McFarlane, LM Anovitz, MC Cheshire… - Nuclear …, 2021 - Taylor & Francis
Deep, underground repositories are needed to isolate radioactive waste from the biosphere.
Because bentonite is an integral component of many multibarrier repository systems …

Disposal Concepts for a High-Temperature Repository in Shale.

E Stein, CR Bryan, DC Dobson, E Hardin… - 2020 - osti.gov
Disposal of large, heat-generating waste packages containing the equivalent of 21
pressurized water reactor (PWR) assemblies or more is among the disposal concepts under …