Results 31 to 40 of about 83,275 (200)

Electric field induced reversible spreading of droplets into films on lubricant impregnated surfaces [PDF]

open access: yes, 2017
Electric fields can be used to force a droplet to wet a solid surface using an applied voltage. However, significant hysteresis usually occurs associated with pinning forces at the contact line.
Brabcova, Z   +4 more
core   +1 more source

Wetting of doubly periodic rough surfaces in Wenzel’s regime

open access: yesMATEC Web of Conferences, 2018
In this work we present preliminary results from our numerical study of the shapes of a liquid meniscus in contact with doubly sinusoidal rough surfaces in Wenzel’s wetting regime.
Iliev Stanimir   +2 more
doaj   +1 more source

Plastron induced drag reduction and increased slip on a superhydrophobic sphere [PDF]

open access: yes, 2011
On low contact angle hysteresis superhydrophobic surfaces, droplets of water roll easily. It is intuitively appealing, but less obvious, that when such material is immersed in water, the liquid will flow more easily across its surface.
Balmert   +42 more
core   +1 more source

Closed-Form Expressions for Contact Angle Hysteresis: Capillary Bridges between Parallel Platens

open access: yesColloids and Interfaces, 2020
A closed form expression capable of predicting the evolution of the shape of liquid capillary bridges and the resultant force between parallel platens is derived. Such a scenario occurs within many micro-mechanical structures and devices, for example, in
James Bowen, David Cheneler
doaj   +1 more source

Superhydrophobic properties of silver-coated films on copper surface by galvanic exchange reaction [PDF]

open access: yes, 2008
Hydrophobic properties of thin nanostructured silver films produced by galvanic exchange reaction on a copper surface were studied after passivation with stearic acid.
Farzaneh, Masoud   +2 more
core   +2 more sources

Micro to nano: Surface size scale and superhydrophobicity

open access: yesBeilstein Journal of Nanotechnology, 2011
This work looks at the fundamental question of how the surface mobility of drops in the composite state is related to the size scale of the roughness features of the surface.
Christian Dorrer, Jürgen Rühe
doaj   +1 more source

Numerical Study of Drop Motion on a Surface with Wettability Gradient and Contact Angle Hysteresis

open access: yes, 2013
In this work, the motion of a 2-D drop on a surface with given wettability gradient is studied numerically by a hybrid lattice-Boltzmann finite-difference method using the multiple-relaxation-time collision model.
Huang, Haibo   +2 more
core   +1 more source

Kinetics of Wetting and Spreading of Droplets over Various Substrates [PDF]

open access: yes, 2017
There has been a substantial increase in the number of publications in the field of wetting and spreading since 2010. This increase in the rate of publications can be attributed to the broader application of wetting phenomena in new areas.
Arjmandi-Tash, O.   +4 more
core   +2 more sources

Theoretical and numerical investigation into brush seal hysteresis without pressure differential

open access: yesAdvanced Composites Letters, 2019
Brush seal is a novel type contact seal, and it is well-known due to its excellent performance. However, there are many intrinsic drawbacks, such as hysteresis, which need to be solved.
Yuchi Kang   +4 more
doaj   +1 more source

Aloe vera for Dry Mouth Denture Patients – Palliative Therapy [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Xerostomia (dry mouth) is dryness of the mouth which is due to reduced salivary flow. Lack of adequate saliva causes discomfort in denture wearing patients and decreases retention of dentures.
Abdul Habeeb Bin Mohsin   +3 more
doaj   +1 more source

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