Recent developments on fractal-based approaches to nanofluids and nanoparticle aggregation

J Cai, X Hu, B **ao, Y Zhou, W Wei - International Journal of Heat and Mass …, 2017 - Elsevier
The properties of nanoparticles and its aggregation as well as convective heat transfer of
nanofluids have received great attentions over the last few decades. It is well certified that …

Rock fragments and soil hydrological processes: significance and progress

Y Zhang, M Zhang, J Niu, H Li, R **ao, H Zheng… - Catena, 2016 - Elsevier
In this review, we explore the significance of rock fragments in studies of soil hydrological
processes, because according to research, the effects of rock fragments on soil hydrological …

Critical hydraulic gradient for nonlinear flow through rock fracture networks: The roles of aperture, surface roughness, and number of intersections

R Liu, B Li, Y Jiang - Advances in Water Resources, 2016 - Elsevier
Transition of fluid flow from the linear to the nonlinear regime has been confirmed in single
rock fractures when the Reynolds number (Re) exceeds some critical values, yet the …

Fractal characterization of dynamic fracture network extension in porous media

J Cai, WEI Wei, X Hu, R Liu, J Wang - Fractals, 2017 - World Scientific
Fracture network and fractured porous media as well as their transport properties have
received great attentions in many fields from engineering application and basic theoretical …

Particle size distribution of aggregate effects on mechanical and structural properties of cemented rockfill: experiments and modeling

J Wu, M Feng, X Mao, J Xu, W Zhang, X Ni… - Construction and Building …, 2018 - Elsevier
This study presents the particle size distribution of aggregate effects on the mechanical and
structural properties of cemented rockfill. The uniaxial compression tests with acoustic …

Experimental study on the effect of fracture geometric characteristics on the permeability in deformable rough-walled fractures

Y Chen, W Liang, H Lian, J Yang, VP Nguyen - International Journal of …, 2017 - Elsevier
The fracture geometric characteristics (FGC) have considerable influence on fluid flow in the
fractured rock mass. The present work took experimental approaches to investigate the …

Influences of hydraulic gradient, surface roughness, intersecting angle, and scale effect on nonlinear flow behavior at single fracture intersections

B Li, R Liu, Y Jiang - Journal of Hydrology, 2016 - Elsevier
Fluid flow tests were conducted on two crossed fracture models for which the geometries of
fracture segments and intersections were measured by utilizing a visualization technique …

Mathematical expressions for estimating equivalent permeability of rock fracture networks

R Liu, B Li, Y Jiang, N Huang - Hydrogeology Journal, 2016 - search.proquest.com
Fracture networks play a more significant role in conducting fluid flow and solute transport in
fractured rock masses, comparing with that of the rock matrix. Accurate estimation of the …

Fractal analysis of permeability of dual-porosity media embedded with random fractures

T Miao, S Yang, Z Long, B Yu - International Journal of Heat and Mass …, 2015 - Elsevier
Dual-porosity media embedded with random fractures widely exist in water and oil
reservoirs, soils etc. The permeability of such media has been one of focuses in the area of …

Permeability evolution of two-dimensional fracture networks during shear under constant normal stiffness boundary conditions

B Li, R Bao, Y Wang, R Liu, C Zhao - Rock Mechanics and Rock …, 2021 - Springer
The permeability evolution of fractal-based two-dimensional discrete fracture networks
(DFNs) during shearing under constant normal stiffness (CNS) boundary conditions is …