Molecularly Capped Omniphobic Polydimethylsiloxane Brushes with Ultra-Fast Contact Line Dynamics.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202301142
Abstract: Droplet friction is common and significant in any field where liquids interact with solid surfaces. This study explores the molecular capping of surface-tethered, liquid-like polydimethylsiloxane (PDMS) brushes and its substantial effect on droplet friction and… read more here.
Keywords: contact; fast contact; ultra fast; line dynamics ... See more keywords
Direct simulation of multiphase flows with modeling of dynamic interface contact angle
Sign Up to like & getrecommendations! Published in 2018 at "Theoretical and Computational Fluid Dynamics"
DOI: 10.1007/s00162-018-0470-4
Abstract: We describe a modeling technique for dynamic contact angle between a phase interface and a solid wall using a generalized Navier boundary condition in the context of a front-tracking-based multiphase method. The contact line motion… read more here.
Keywords: slip; contact line; contact angle; contact ... See more keywords
The Dynamics of Oblate Drop Between Heterogeneous Plates Under Alternating Electric Field
Sign Up to like & getrecommendations! Published in 2018 at "Microgravity Science and Technology"
DOI: 10.1007/s12217-017-9569-2
Abstract: The dynamics of the incompressible fluid drop under the non-uniform electric field are considered. The drop is bounded axially by two parallel solid planes and the case of heterogeneous plates is investigated. The external electric… read more here.
Keywords: heterogeneous plates; contact line; electric field; drop ... See more keywords
To improve alignment of isoindigo-based conjugated polymer film by controlling contact line receding velocity
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2017.05.021
Abstract: Abstract The macroscopic alignment of conjugated polymers with low grain boundary is essential to carrier transport. During film forming process, the match between contact line receding velocity and the critical alignment velocity is essential to… read more here.
Keywords: contact line; line receding; alignment; velocity ... See more keywords
Droplets trapped by a wetting surface with chemical defects in shear flows
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.09.041
Abstract: Abstract With the development of techniques to control the wettability on solid surface, directional control of droplets on such surfaces exhibit promising applications in the design of microfluidic devices. The sliding droplet can even be… read more here.
Keywords: trapped wetting; contact line; surface; chemical ... See more keywords
Marangoni flow alters wetting: Coffee ring and superspreading
Sign Up to like & getrecommendations! Published in 2020 at "Current Opinion in Colloid and Interface Science"
DOI: 10.1016/j.cocis.2020.08.012
Abstract: Abstract Colloidal nano altered wetting is an everyday phenomenon with various applications. It occurs when an aqueous colloidal droplet is placed on a wet solid and evaporates with a pinned contact line (to form a… read more here.
Keywords: marangoni flow; flow; coffee ring; contact line ... See more keywords
Drying pattern and evaporation dynamics of sessile ferrofluid droplet on a PDMS substrate
Sign Up to like & getrecommendations! Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.123672
Abstract: Abstract The present study reports the evaporation dynamics, deposition pattern, effect of magnetic field and mechanism behind the pinning or depinning of the contact line of sessile ferrofluid droplet on a PDMS substrate. The concentration… read more here.
Keywords: ferrofluid droplet; contact line; droplet; concentration ... See more keywords
Evaporation-induced receding contact lines in partial-wetting regime on a heated substrate
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.03.066
Abstract: Abstract The moving contact line is a nanoscale joint providing critical boundary conditions for the liquid interface in a wetting system. Our understanding about the partial-wetting contact line is highly limited which is especially true… read more here.
Keywords: contact line; line; evaporation; contact lines ... See more keywords
Contact line dynamics of two-dimensional evaporating drops on heated surfaces with temperature-dependent wettabilities
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.09.073
Abstract: Abstract The dynamics of the evaporation of a sessile drop on a uniformly heated, horizontal, solid substrate is considered. Based on the lubrication theory and Navier slip condition, an evolution equation for the drop height… read more here.
Keywords: drop; contact line; temperature; line dynamics ... See more keywords
Dipole model of vorticity at the moving contact line
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2018.02.008
Abstract: Vorticity, defined as the curl of velocity ( ω ≡∇ × u ), has beome a topic of significant interest over the past century. As a easure of local fluid rotation, vorticity has proven to… read more here.
Keywords: contact line; vorticity; vorticity moving; moving contact ... See more keywords
3D lattice Boltzmann simulation of droplet evaporation on patterned surfaces: Study of pinning–depinning mechanism
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2020.103218
Abstract: Abstract The liquid–vapor phase change lattice Boltzmann method is used to investigate the pinning–depinning mechanism of the contact line during droplet evaporation on the stripe-patterned surfaces in 3D space. Considering the curvature of the contact… read more here.
Keywords: contact; lattice boltzmann; patterned surfaces; contact line ... See more keywords