A novel model of hydraulic aperture for rough single fracture: Insights from fluid inertial and fracture geometry effects

S Zhang, X Liu, E Wang, R Qian… - Journal of Geophysical …, 2024 - Wiley Online Library
Previous studies pointed out that the hydraulic aperture (bh) is solely dependent on the
geometric features of a fracture, independent of fluid inertia effects. Here we present an …

Relationship between permeability and resistivity of sheared rock fractures: the role of tortuosity and flow path percolation

K Sawayama, T Ishibashi, F Jiang… - Geophysical Research …, 2023 - Wiley Online Library
The fluid‐flow properties of fractures have received increasing attention regarding the role of
geofluids in the genesis of slow and fast earthquakes and recent advances in …

A global inertial permeability for fluid flow in rock fractures: Criterion and significance

JQ Zhou, FS Gan, C Li, H Tang - Engineering Geology, 2023 - Elsevier
Fluid flow in rock fractures is described by Darcy's law and its nonlinear extension, the
Forchheimer equation in form of a quadratic polynomial. Since the nonlinearity of the …

Geometry‐based prediction of solute transport process in single 3D rock fractures under laminar flow regime

JQ Zhou, LG Guo, JJ Jiao, X Luo - Journal of Geophysical …, 2023 - Wiley Online Library
Subsurface substance migration in the fractured rock aquifer is mainly controlled by
fractures, and prediction of solute transport in fractures is important to many geophysical …

Extracting crucial microstructures to characterize the elastic wave velocity and resistivity of Berea sandstone using convolutional neural networks

K Sawayama, T Tsuji, K Shige - Geophysics, 2024 - library.seg.org
To reveal the internal structure of the earth, rock physical models are insightful for
interpreting geophysical observation data and are often used for estimating subsurface …

Permeability monitoring of underground concrete structures using elastic wave characteristics with modified Biot's model

JW Lee, JS Kim, CH Hong, TM Oh - Scientific Reports, 2024 - nature.com
This study aims to develop a theoretical model for predicting the permeability of concrete in
underground structures using compressive elastic waves. This research is motivated by the …

Crack propagation and stress evolution in fluid-exposed limestones

Z Liu, R Dabloul, B Jin, B Jha - Acta Geotechnica, 2024 - Springer
Crack initiation and propagation in rocks exposed to injected fluids must be understood
better for sustainable sequestration and geo-energy applications. One specific challenge is …

A numerical study of elastic wave arrival behavior in a naturally fractured rock based on a combined displacement discontinuity-discrete fracture network model

S Wang, Z Zhang, X Huang, Q Lei - Rock Mechanics and Rock …, 2023 - Springer
The arrival behavior of elastic waves in a naturally fractured rock is studied based on
numerical simulations. We use the discrete fracture network method to represent the …

[HTML][HTML] Hydro-mechanical-electrical simulations of synthetic faults in two orthogonal directions with shear-induced anisotropy

K Sawayama, T Ishibashi, F Jiang, T Tsuji - Journal of Rock Mechanics and …, 2024 - Elsevier
Fluid flow in fractures controls subsurface heat and mass transport, which is essential for
developing enhanced geothermal systems and radioactive waste disposal. Fracture …

[HTML][HTML] Using time-lapse seismic velocity changes to monitor the Domo de San Pedro Geothermal field, Mexico

F Muñoz-Burbano, M Calò, G Savard, V Reyes-Orozco… - Geothermics, 2024 - Elsevier
Abstract The Domo de San Pedro Geothermal field, located in the westernmost part of the
trans-Mexican volcanic belt, is part of a silicic volcanic complex. Geothermal energy is …