Technical challenges in numerical simulation of droplet behaviors with dynamic contact angle in microchannels
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Energy Research"
DOI: 10.1002/er.4633
Abstract: Droplet behaviors play a major role in water management of proton exchange membrane fuel cells. Contact angle, as one of the critical parameters in the boundary conditions for the droplet dynamics, can greatly affect the… read more here.
Keywords: droplet behaviors; simulation; contact angle; dynamic contact ... See more keywords
Transmission on empirical dynamic contact networks is influenced by data processing decisions
Sign Up to like & getrecommendations! Published in 2019 at "Epidemics"
DOI: 10.1016/j.epidem.2018.08.003
Abstract: Dynamic contact data can be used to inform disease transmission models, providing insight into the dynamics of infectious diseases. Such data often requires extensive processing for use in models or analysis. Therefore, processing decisions can… read more here.
Keywords: processing; transmission; dynamic contact; processing decisions ... 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
Droplet behaviors on inclined surfaces with dynamic contact angle
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2019.07.173
Abstract: Abstract Dynamic contact angle (DCA) is of crucial importance in the numerical investigation of water management problems in proton exchange membrane fuel cells (PEMFCs). In order to well predict the gas-liquid two-phase flow in the… read more here.
Keywords: behaviors inclined; inclined surfaces; droplet; contact angle ... See more keywords
Dynamic contact in multiferroic energy conversion
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2018.02.034
Abstract: Abstract This paper reports a semi-analytical model (SAM) for simulating the dynamic contact of a rigid sphere and the surface of a multiferroic magnetoelectroelastic (MEE) film under an increasing applied force. The frequency response functions… read more here.
Keywords: electric magnetic; energy conversion; dynamic contact; conversion ... See more keywords
A linear regime of hysteresis for calculating the dynamic contact angle under low capillary numbers with displacement experiments in microscale PDMS microchannels.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2019.10.038
Abstract: HYPOTHESIS Determining capillary pressures and permeation resistances of multiphase seepage in porous-type reservoirs is crucial. The dynamic contact angle (CA) is one of the critical parameters used to calculate capillary pressures and permeation resistances. Under… read more here.
Keywords: contact angle; pdms microchannels; hysteresis; dynamic contact ... See more keywords
Effective boundary conditions for dynamic contact angle hysteresis on chemically inhomogeneous surfaces
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2022.33
Abstract: Abstract Recent experiments (Guan et al., Phys. Rev. Lett., vol. 116, issue 6, 2016a, p. 066102; Guan et al., Phys. Rev. E, vol. 94, issue 4, 2016b, p. 042802) showed many interesting phenomena on dynamic… read more here.
Keywords: dynamic contact; contact angle; angle hysteresis; inhomogeneous surfaces ... See more keywords
The Effect of Surface Roughness on the Contact Line and Splashing Dynamics of Impacting Droplets
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-51490-5
Abstract: Whether a droplet splashes upon impact onto a solid is known to depend not only on the fluid properties and its speed, but also on the substrate characteristics. Past research has shown that splashing is… read more here.
Keywords: contact angle; surface roughness; dynamic contact; contact ... See more keywords
Estimation of the Dynamic Contact Area From a Rolling Tire Correlated to Expert Assessment
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2930331
Abstract: Characteristics of the tire footprint are major indicators of tire performance and provide relevant information that can be used to improve the tire design process. However, the accurate segmentation of the tire footprint requires prior… read more here.
Keywords: methodology; tire; dynamic contact; contact area ... See more keywords
Theoretical modeling and numerical simulation of dynamic contact characteristics of a spherical pump with variable friction coefficient
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/13506501211016201
Abstract: In this paper, the dynamic contact characteristics between a piston system and a cylinder block in a spherical pump are studied theoretically and numerically. The theoretical contact model between a piston and a cylinder is… read more here.
Keywords: spherical pump; friction coefficient; contact characteristics; contact ... See more keywords