DEM simulations: mixing of dry and wet granular material with different contact angles
Sign Up to like & getrecommendations! Published in 2018 at "Granular Matter"
DOI: 10.1007/s10035-018-0792-3
Abstract: In solid mixing the raw materials typically differ at least in one material property, such as particle size, solid density and wetting properties, which in turn influence particle mobility. For example, smaller particles can percolate… read more here.
Keywords: dem simulations; particle; material; different contact ... See more keywords
Measurement of contact angle under different gravity generated by a long-arm centrifuge
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.124381
Abstract: Abstract The contact angle, as a vital measured parameter of wettability of a material surface, is pertinent to adhesion, nucleation, capillary phenomena, and liquid management in space. With the development of space exploration, the relationship… read more here.
Keywords: long arm; contact angle; arm centrifuge; gravity ... See more keywords
Analysis of varying contact angles and load distributions in defective angular contact ball bearing
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.04.050
Abstract: Abstract Angular contact ball bearing (ACBB) is widely used in rotating machinery for its great external load capacity. The operating condition of ACBB is easily affected by surrounding mechanical components. The variations of contact angles… read more here.
Keywords: angular contact; angles load; load distributions; contact ball ... See more keywords
Salinity-dependent alterations of static and dynamic contact angles in oil/brine/calcite systems: A molecular dynamics simulation study
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.117615
Abstract: Abstract In this study, classic Molecular Dynamics (MD) simulations with established force fields were first performed to investigate the salinity effects on the static contact angle of a n-decane droplet immersing in water atmosphere within… read more here.
Keywords: decane; molecular dynamics; dynamic contact; salinity ... See more keywords
On the cause and correction of the anomalously high contact angles measured on soils and granular materials
Sign Up to like & getrecommendations! Published in 2021 at "Geoderma"
DOI: 10.1016/j.geoderma.2021.114973
Abstract: Abstract Anomalously high water contact angles are often measured for soils or other granular materials when using a goniometer which is designed for use with flat surfaces. For many years such high contact angles have… read more here.
Keywords: contact; correction; contact angles; contact angle ... See more keywords
Impact of CO2 injection on wettability of coal at elevated pressure and temperature
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Greenhouse Gas Control"
DOI: 10.1016/j.ijggc.2019.102840
Abstract: Abstract Injection of carbon dioxide (CO2) into coal seams has been demonstrated as an effective technology for enhanced methane recovery and CO2 storage. However, the impacts of the geochemical reactions between CO2 and coal on… read more here.
Keywords: co2; pressure temperature; wettability; coal ... See more keywords
Contact angles and movement of air bubbles on bioinspired conical surfaces.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2020.05.079
Abstract: Air bubbles are of interest in various applications. The study of their formation, interaction with underlying surfaces, and their movement is of importance. Bioinspired conical surfaces have been known to exhibit Laplace pressure gradient which… read more here.
Keywords: conical surfaces; bioinspired conical; movement; air ... See more keywords
Wettability phenomena of molten steel in contact with alumina substrates with alumina and alumina-carbon coatings
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.12.001
Abstract: Abstract The effects of the surface roughness, carbon content and the additions of carbon nanotubes (CNT) and alumina nanosheets (ANS) on the wettability of molten steel on Al2O3 substrates with and without Al2O3(-C) coatings were… read more here.
Keywords: molten steel; carbon; wettability; contact ... See more keywords
An interpretation for the breakpoint of the relaxation profiles of the advancing and receding contact angles
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2019.112162
Abstract: Abstract The breakpoints of the profiles of the advancing (θa) and receding (θr) contact angles can be used to determine the critical micelle concentration of surfactant solution. Although the breakpoints of θa and θr matched… read more here.
Keywords: advancing receding; profiles advancing; receding contact; relaxation profiles ... See more keywords
CO2/brine interfacial tension and rock wettability at reservoir conditions: A critical review of previous studies and case study of black shale from Malaysian formation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2020.107673
Abstract: Abstract In this study, previous literature that discussed CO2/brine interfacial tension and wettability of rock/CO2/brine systems were critically reviewed. Using a shale core from Malaysian formation, laboratory experiments were conducted to extend the scope of… read more here.
Keywords: brine; pressure; co2 brine; contact angles ... See more keywords
Impact of hydrophobic surfaces on capillary wetting
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.01.033
Abstract: Abstract The dynamic wetting behavior as first step in reconstitution of heterogeneous model food powders was investigated in the present work. Therefore, we studied the capillary rise of water into single pores and pore systems… read more here.
Keywords: pore size; contact; impact; contact angles ... See more keywords