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Category Archives: Publications

Paper online (Powder Tech) on wet granular packing

Wang, Z., Pereira, J.M., Gan, Y. (2020) Packing of wet monodisperse spheres.?Powder Technology, in press. [DOI] Abstract: We experimentally investigated the packing of wet monodisperse spheres with controlled falling height. The packing fraction are found to decrease with smaller grain size and free fall height. A model describing the effects of interparticle force and falling […]

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Paper accepted (Int J Hydrogen Energy) on droplet dynamics in PEMFC channels

Bao, Y., Gan, Y. (2020) Roughness effects of gas diffusion layers on droplet dynamics in PEMFC flow channels. International Journal of Hydrogen Energy, in press. Abstract: Water management remains one of the major challenges in optimising the performance of PEMFCs, in which liquid accumulation and removal in gas diffusion layers (GDLs) and flow channels should be […]

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Paper accepted (Adv. Mat. Interfaces) on droplet motion on wedges

Wang, Z., Owais, A., Neto, C., Pereira, J.M., Gan, Y. (2020) Enhancing Spontaneous Droplet Motion on Structured Surfaces with Tailored Wedge Design. Advanced Materials Interfaces, in press. Abstract: Spontaneous liquid transport has a wide variety of applications, including fog har- vesting, microfluidics, and water-oil separation. Understanding of the droplet move- ment dynamics on structured surfaces […]

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Paper accepted (Langmuir) on wetting transition in porous media

Wang, Z; Pereira, J.M.; Gan, Y. (2020)?Effect of wetting transition during multiphase displacement in porous media.?Langmuir, in press. Abstract: The effects of wettability on multiphase displacement in porous media have been studied extensively in the past, and the contact angle is identified as an important factor influencing the displacement patterns. At the same time, it […]

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Paper accepted (Chem Eng Sci) on LBM-PNM for immiscible flow

Suo, S., Liu, M. and Gan, Y. (2020) An LBM-PNM framework for immiscible flow: With applications to droplet spreading on porous surfaces.?Chemical Engineering Science, in press. [DOI] Abstract:?The behaviour of droplets on porous media, combining the spreading above and imbibition into the medium, is of foundational interests for a series of applications. In this work, […]

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Paper accepted (Phys Rev Fluids) on flow in hierarchical porous media

Suo, S., Liu, M. and Gan, Y. (2020) Fingering patterns in hierarchical porous media. Physical Review Fluids, in press. Abstract: Porous media with hierarchical structures are commonly encountered in both natural and synthetic materials, e.g., fractured rock formations, porous electrodes and fibrous materials, which generally consist of two or more distinguishable levels of pore structure with […]

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Paper online (Int J Solids and Structures) on rough sphere contacts

Wei, D., Zhai, C., Hanaor, D., Gan, Y. (2020) Contact behaviour of simulated rough spheres generated with spherical harmonic. International Journal of Solids and Structures, in press. [DOI] Abstract: 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 roughness features are […]

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Paper accepted (Eng Fracture Mech) on non-spherical particle breakage

Wei, D., Zhao, B., Dias-da-Costa, D., Gan, Y. (2019) An FDEM study of particle breakage under rotational point loading. Engineering Fracture Mechanics. In press. [DOI] Abstract: The most commonly adopted method to test the strength of single sand particles is based on platen experiments. This setup tends to align the loading direction towards the particle minimum […]

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Paper accepted (Phys Rev Fluids) on topological disorder of porous media

Wang, Z., Chauhan, K., Pereira, J.M., Gan, Y. (2019) Disorder characterization of porous media and its effect on fluid displacement. Physical Review Fluids. In press. Abstract: We investigate the effects of topological disorder and wettability on fluid displacement in porous media. A modified disorder index Iv is proposed to characterize the disorder of porous media. By changing Iv, different […]

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Paper online (JCIS) on designing porous media for capillary flow

Liu, M., Suo, S., Wu, J., Gan, Y. Hanaor, D.A.H., Chen, C.Q. (2019)?Tailoring porous media for controllable capillary flow.?Journal of Colloid and Interface Science. 539:379-387. [DOI][PDF:076_JCIS_2019] Abstract:?Control of capillary flow through porous media has broad practical implications. However, achieving accurate and reliable control of such processes by tuning the pore size or by modification of […]

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Paper accepted (AMS) on SPH modelling of contact angle dynamics

Bao, Y., Li, L., Shen, L., Lei, C., Gan, Y. (2019)?A modified smoothed particle hydrodynamics approach for modelling dynamic contact angle hysteresis.?Acta Mechanica Sinica. In press. 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 smoothed particle […]

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Paper accepted (IJSS) on effective properties of fluid-filled porous media

Liu, M., Wu, J., Gan, Y. Hanaor, D.A.H., Chen, C.Q. (2019) Multiscale modeling of the effective elastic properties of fluid-filled porous materials.?International Journal of Solids and Structures. In press. [DOI] Fluid-filled porous materials are widely encountered in natural and artificial systems. A comprehensive understanding of the elastic behavior of such materials and its dependence on […]

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Paper accepted (Transport in Porous Media) on modelling imbibition

Suo, S., Liu, M., Gan, Y. (2018) Modelling imbibition processes in heterogeneous porous media.?Transport in Porous Media. In press.??[DOI] 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 heterogeneous porous media. In this work, a numerical framework for […]

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Paper online (Transport in Porous Media) on liquid patches

Li, S., Liu, M., Hanoar, D., Gan, Y. (2018)?Dynamics of Viscous Entrapped Saturated Zones in Partially Wetted Porous Media.?Transport in Porous Media. In press. [DOI] As a typical multiphase fluid flow process, drainage in porous media is of fundamental interest both in nature and in industrial applications. During drainage processes in unsaturated soils and porous […]

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Paper online (Colloids and Surfaces A) on contact angle hysteresis

Shi, Z., Zhang, Y., Liu, M., Hanoar, D., Gan, Y. (2018)?Dynamic contact angle hysteresis in liquid bridges.?Colloids and Surfaces A. 555:365-371. [DOI][PDF:059_CSA_2018] This work presents an experimental study of dynamic contact angle hysteresis using liquid bridges under cyclic compression and stretching between two identical plates. Under various loading rates, contact angle hystereses for three different […]

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Paper online (Int J Heat and Mass Transfer) on capillary penetration

Liu, M., Wu, J., Gan, Y., Hanaor, D., Chen,?C.Q. (2018) Tuning capillary penetration in porous media: combining geometrical and evaporation effects.?International Journal of Heat and Mass Transfer. 123:239-250. [DOI][PDF:051_IJHMT_2018] Abstract: Capillary penetration of liquids in porous media is of great importance in many applications and the ability to tune such penetration processes is increasingly sought […]

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Paper online (Fusion Eng. Design) on thermal DEM with Smoluchowski effect

Moscardini, M., Gan, Y., Pupeschi, S., Kamlah, M. (2018) Discrete element method for effective thermal conductivity of packed pebbles accounting for the Smoluchowski effect.?Fusion Engineering and Design. 127: 192-201. [DOI][PDF:050_FED_2018] Highlights ? A thermal DEM code is proposed for the evaluation of the effective thermal conductivity of ceramic breeder pebble beds. ? The Smoluchowski effect […]

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Paper online (Int J Mech Sci) on contact mechancis

Zhai, C., Hanaor, Gan, Y. (2017)?Contact stiffness of multiscale surfaces by truncation analysis.?International Journal of Mechanical Sciences.?131–132: 305–316. [DOI][PDF:048_IJMS_2017] Abstract:?In this paper, we study the contact stiffness of a fractal rough surface compressed by a rigid flat plane. A numerical model based on the analysis of flat punch indentation is proposed for simulated hierarchical surfaces, […]

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Paper online (Heliyon) on crumple-formed materials

Hanaor, D., Flores Johnson, E.A., Wang, S., Quach, S., Dela-Torre,?K.N., Gan, Y., Shen, L. (2017) Mechanical properties in crumple-formed paper derived materials subjected to compression.?Heliyon.?3 (2017) e00329. [DOI][PDF:047_Heliyon_2017] Abstract:?The crumpling of precursor materials to form dense three dimensional geometries offers an attractive route towards the utilisation of minor-value waste materials. Crumple-forming results in a mesostructured […]

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Paper online (Fusion Eng. Des.) on ellipsoidal DEM

Moscardinia, M., Gan, Y., Annabattula,?R.K., Kamlah M. (2017) A Discrete Element Method to simulate the mechanical behavior of ellipsoidal particles for a fusion breeding blanket.?Fusion Engineering and Design. 121: 22-31. [DOI][PDF:046_FED_2017_M] Abstract: The breeder materials proposed for the solid tritium breeding blanket concepts are ceramic lithium-based compounds in the form of pebble beds. Different fabrication […]

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