Speaker
Description
Porous and fractured media are central to a broad range of subsurface energy and environmental applications, including carbon capture, utilization, and storage (CCUS), subsurface carbon mineralization, geothermal energy production, hydrogen energy storage, remediation of contaminated soils and aquifers, and unconventional oil and gas recovery. The research provides a detailed analysis of physical mechanisms which control porous media behavior through mathematical models that describe flow and transport and reaction and deformation at different scales of time and space.
The review begins by studying pore-scale and sub-pore-scale processes which the literature shows control multiphase flow behavior through capillarity and wettability and interfacial tension and surface roughness and dynamic contact line effects. The paper reviews published pore-scale modeling methods which include direct numerical simulation and pore network models and sharp-interface and phase-field formulations to show their capabilities in handling interfacial phenomena and dynamic capillary effects and pore geometry changes. The current research documents all observed effects which non-Newtonian fluids and flexible materials and nanoporous structures and heterogeneous wettability conditions produce according to previous studies.
The review at the Darcy scale examines different continuum models which use effective parameters including relative permeability and capillary pressure and dispersion tensors and reaction rates. The paper focuses on representative elementary volume (REV) definitions and state variables which researchers have used to achieve thermodynamic consistency between different scales. The paper reviews established upscaling methods which include homogenization and volume averaging and multiscale methods for their use in studying multiphase multicomponent flow and reactive transport and poromechanics.
The review summarizes existing research which investigates the relationship between flow and deformation in fractured porous media while studying how stress-dependent permeability and fracture aperture changes and poroelastic effects impact transport and storage properties. The review investigates biological processes in porous media through its analysis of microbial effects on substance transport and chemical reactions and material properties.
The research unites current knowledge to demonstrate established modeling techniques together with documented restrictions and ongoing difficulties which scientists have identified in their studies about nonlinear coupling and evolving heterogeneity and pore-scale to continuum-scale representation matching.
| Country | United States of America |
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