Results 21 to 30 of about 240,216 (295)

Flows of cohesive granular media [PDF]

open access: yesEPJ Web of Conferences, 2021
Cohesive granular media have broad applications in industries. However, our understanding of their flow behavior is still limited compared to dry granular media, although rich knowledge about their static and plastic properties has been gained.
Mandal Sandip   +3 more
doaj   +1 more source

The effect of liquid viscosity on sliding friction coefficient of wet granular materials [PDF]

open access: yesEPJ Web of Conferences, 2021
The mechanical properties of wet granular materials are different to those of dry granular matter. If the wet granular medium is not completely saturated, the capillary bridges form and the surface tension changes the elastic properties of the medium. We
Aliasgari Mojgan   +2 more
doaj   +1 more source

Granular Media Friction Pad for Robot Shoes—Hexagon Patterning Enhances Friction on Wet Surfaces

open access: yesApplied Sciences, 2021
For maximizing friction forces of robotic legs on an unknown/unpredictable substrate, we introduced the granular media friction pad, consisting of a thin elastic membrane encasing loosely filled granular material. On coming into contact with a substrate,
Halvor T. Tramsen   +2 more
doaj   +1 more source

Propagation Characteristics of Rotation Waves in Transversely Isotropic Granular Media Considering Microstructure Effect

open access: yesApplied Sciences, 2022
The purpose of this study is to develop a micromechanical-based microstructure model for transversely isotropic granular media and then use it to investigate the propagation characteristics of particle rotation waves.
Pengqiang Yu   +3 more
doaj   +1 more source

Extremely flat surface full granular media with cap layer consisting of high-Ku CoPt grains and ferromagnetic oxide grain boundaries

open access: yesAIP Advances, 2020
Investigation of magnetic properties and nanostructure of stacked media with a CoPt-B2O3 granular recording layer (GRL) and granular cap layers (CL) with CoPt and a typical ferromagnetic oxide of rare earth (RE) oxide (RE oxide: Gd2O3, Nd2O3, Sm2O3, and ...
Kim Kong Tham   +3 more
doaj   +1 more source

Capillary Fracturing in Granular Media [PDF]

open access: yesPhysical Review Letters, 2012
We study the displacement of immiscible fluids in deformable, noncohesive granular media. Experimentally, we inject air into a thin bed of water-saturated glass beads and observe the invasion morphology. The control parameters are the injection rate, the bead size, and the confining stress.
Holtzman, Ran   +2 more
openaire   +3 more sources

Interrupted shear of granular media [PDF]

open access: yesThe European Physical Journal E, 2003
The response of a granular material during a stop-and-go shear experiment is investigated using an annular shear cell and silicagel powders of different particle sizes. The experimental results are examined on the basis of the Dieterich-Rice-Ruina model for solid friction.
A, de Ryck, R, Condotta, M, Lubert
openaire   +2 more sources

Increasing the Lightweight Potential of Composite Cold Forging by Utilizing Magnesium and Granular Cores

open access: yesMetals, 2020
In this paper a process sequence, that uses forward rod extrusion with cold forged C15 steel cup billets to produce lightweight shafts, is presented. The steel cup billets feature either a lightweight magnesium alloy core or a granular medium core that ...
Robin Gitschel   +3 more
doaj   +1 more source

Micromechanical modelling of the anisotropic creep behaviour of granular medium as a fourth-order fabric tensor

open access: yesAdvances in Mechanical Engineering, 2021
The main objective of the present work is to develop a micromechanics approach to predict the macroscopic anisotropic creep behaviour of granular media.
Wei Wei   +3 more
doaj   +1 more source

Experimental investigation of the effect of grain morphology on packing density of granular assemblies [PDF]

open access: yesEPJ Web of Conferences
The physical and mechanical properties of granular media at the macro scale are greatly influenced by the morphology of its grains at the micro-scale. The morphology of grains is a multi-level property, with the morphological features at each level being
Anusree K.V., Latha Gali Madhavi
doaj   +1 more source

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