124 citations · 771 across the 28 of their papers we have counts for
28 papers
Partially Saturated Granular Flow in a Rotating Drum: The Role of Cohesion
Mingrui Dong, Zhongzheng Wang, Benjy Marks +2
Partially saturated granular flows are common in various natural and industrial processes, such as landslides, mineral handling, and food processing. We conduct experiments and app…
Contact behaviour of simulated rough spheres generated with spherical harmonics
Deheng Wei, Chongpu Zhai, Dorian A. H. Hanaor +1
Normal contact behaviour between non adhesive fractal rough particles is studied using a finite element method (FEM). A series of spherical grain surfaces with distinguished roughn…
An unexplored valley of binary packing: The loose jamming state
Si Suo, Chongpu Zhai, Minglong Xu +2
We present a theoretical prediction on random close packing factor ϕ_RCP^b of binary granular packings based on the hard-sphere fluid theory. An unexplored regime is unravelled, wh…
Shear-induced droplet mobility within porous surfaces
Si Suo, Haibo Zhao, Shervin Bagheri +2
Droplet mobility under shear flows is important in a wide range of engineering applications, e.g., fog collection, and self-cleaning surfaces. For structured surfaces to achieve su…
Tailoring porous media for controllable capillary flow
MingchaoLiu, Si Suo, Jian Wu +2
Hypothesis Control of capillary flow through porous media has broad practical implications. However, achieving accurate and reliable control of such processes by tuning the pore si…
Scalable Surface Area Characterization by Electrokinetic Analysis of Complex Anion Adsorption
Dorian A. H. Hanaor, Maliheh Ghadiri, Wojciech Chrzanowski +1
By means of the in situ electrokinetic assessment of aqueous particles in conjunction with the addition of anionic adsorbates, we develop and examine a new approach to the scalable…
Static friction at fractal interfaces
Dorian Hanaor, Yixiang Gan, Itai Einav
Tribological phenomena are governed by combined effects of material properties, topology and surface-chemistry. We study the interplay of multiscale surface structures with molecul…
Contact mechanics of fractal surfaces by spline assisted discretisation
Dorian Hanaor, Yixiang Gan, Itai Einav
We present a newly developed approach for the calculation of interfacial stiffness and contact area evolution between two rough bodies exhibiting self affine surface structures. Us…
Cyclic thermo-mechanical performance of granular beds: Effect of elastoplasticity
Si Suo, Marigrazia Moscardini, Verena Becker +2
Understanding the coupled thermo-mechanical behaviour of compacted granular beds can benefit various industrial applications, such as pebble bed design in fusion reactors. In this…
Tuning capillary flow in porous media with hierarchical structures
Si Suo, Yixiang Gan
Immiscible fluid-fluid displacement in porous media is of great importance in many engineering applications, such as enhanced oil recovery, agricultural irrigation, and geologic CO…
Rupture of liquid bridges on porous tips: Competing mechanisms of spontaneous imbibition and stretching
Si Suo, Yixiang Gan
Liquid bridges are commonly encountered in nature and the liquid transfer induced by their rupture are widely used in various industrial applications. In this work, with the focus…
Two-dimensional modeling of the self-limiting oxidation in silicon and tungsten nanowires
Mingchao Liu, Peng Jin, Zhiping Xu +3
Self-limiting oxidation of nanowires has been previously described as a reaction- or diffusion-controlled process. In this letter, the concept of finite reactive region is introduc…
Fingering patterns in hierarchical porous media
Si Suo, Mingchao Liu, Yixiang Gan
Porous media with hierarchical structures are commonly encountered in both natural and synthetic materials, e.g., fractured rock formations, porous electrodes and fibrous materials…
Pore-scale Modelling of Gravity-driven Drainage in Disordered Porous Media
Guanzhe Cui, Mingchao Liu, Weijing Dai +1
Multiphase flow through a porous medium involves complex interactions between gravity, wettability and capillarity during drainage process. In contrast to these factors, the effect…
The effects of packing structure on the effective thermal conductivity of granular media: A grain scale investigation
Weijing Dai, Dorian Hanaor, Yixiang Gan
Structural characteristics are considered to be the dominant factors in determining the effective properties of granular media, particularly in the scope of transport phenomena. To…
Modes of wall induced granular crystallisation in vibrational packing
Weijing Dai, Joerg Reimann, Dorian Hanaor +2
Granular crystallisation is an important phenomenon whereby ordered packing structures form in granular matter under vibration. However, compared with the well-developed principles…
Modelling imbibition processes in heterogeneous porous media
Si Suo, Mingchao Liu, Yixiang Gan
Imbibition is a commonly encountered multiphase problem in various fields, and exact prediction of imbibition processes is a key issue for better understanding capillary flow in he…
A Modified Smoothed Particle Hydrodynamics Approach for Modelling Dynamic Contact Angle Hysteresis
Yanyao Bao, Ling Li, Luming Shen +2
Dynamic wetting plays an important role in the physics of multiphase flow, and has significant influence on many industrial and geotechnical applications. In this work, a modified…
Dynamics of Viscous Entrapped Saturated Zones in Partially Wetted Porous Media
Shuoqi Li, Mingchao Liu, Dorian Hanaor +1
As a typical multiphase fluid flow process, drainage in porous media is of fundamental interest in nature and industrial applications. During drainage processes in unsaturated soil…
Dynamic contact angle hysteresis in liquid bridges
Zhang Shi, Yi Zhang, Mingchao Liu +2
This work presents a combined experimental and theoretical study of dynamic contact angle hysteresis using liquid bridges under cyclic compression and stretching between two identi…
Stress-dependent electrical transport and its universal scaling in granular materials
Chongpu Zhai, Dorian Hanaor, Gwénaëlle Proust +1
We experimentally and numerically examine stress-dependent electrical transport in granular materials to elucidate the origins of their universal dielectric response. The ac respon…
Solution based synthesis of mixed phase materials in the Li2TiO3 - Li4SiO4 system
Dorian A. H. Hanaor, Matthias H. H. Kolb, Yixiang Gan +2
As candidate tritium breeder materials for use in the ITER helium cooled pebble bed, ceramic multiphasic compounds lying in the region of the quasi-binary lithium metatitanate- lit…
Measurement of normal contact stiffness of fractal rough surfaces
Chongpu Zhai, Sébastien Bevand, Yixiang Gan +4
We investigate the effects of roughness and fractality on the normal contact stiffness of rough surfaces. Samples of isotropically roughened aluminium surfaces are considered. The…
A Thermal Discrete Element Analysis of EU Solid Breeder Blanket subjected to Neutron Irradiation
Yixiang Gan, Francisco Hernandez, Dorian Hanaor +3
Due to neutron irradiation, solid breeder blankets are subjected to complex thermo-mechanical conditions. Within one breeder unit, the ceramic breeder bed is composed of spherical-…