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Controlling droplet spreading with topography

WebMay 24, 2024 · In this paper we will describe a series of experiments of droplet spreading on sawtooth-like surface structures with well-defined pitches and angles. A qualitative ‘toy model’ is formulated and... WebJun 24, 2024 · A droplet with r0 = 1 mm first spreads to its maximum extension in a pancake shape at ∼2.3 ms, recedes towards the centre and finally bounces off the surface at ∼16.6 ms.

Dynamic wetting and spreading and the role of topography

WebFindings: While a carbon coating leads to pronounced wettability and spreading along the topographic anisotropy, an inert gold-palladium coating can fully suppress anisotropic … WebWe concentrate on the spreading of a droplet within a recessed stadium-shaped pixel, with applications to the manufacture of POLED displays, and find that the sloping side wall of the pixel can either locally enhance or hinder spreading depending on whether the topography gradient ahead of the contact line is positive or negative, respectively. indianwood country club orion https://boatshields.com

Controlling droplet spreading with topography

WebThe results show the dominant factors in determining droplet shapes to be surface topography and the self-similarity of the surface structure. Quantified results of the … Webconcentrate on the spreading of a droplet within a recessed stadium-shaped pixel, with applica-tions to the manufacture of POLED displays, and nd that the sloping side wall of the pixel can either locally enhance or hinder spreading depending on whether the topography gradient ahead of the contact line is positive or negative, respectively. WebMar 14, 2024 · The magnetic control of droplet impact is by far more efficient than that reported in ref. . ... The results of droplet spreading on the flat surface are similar to the results in ref. ... Surface topography of the fabricated microstructures was imaged by optical coherence tomography (OCT) system (Telesto TEL221, Thorlabs Inc., Newton, … indianwood country club michigan

Phys. Rev. Fluids 6, 033601 (2024) - Controlling droplet …

Category:Topography versus chemistry - How can we control surface …

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Controlling droplet spreading with topography

Revealing How Topography of Surface Microstructures Alters Capillary S…

WebApr 26, 2024 · We focus on exploring how wettability, liquid properties, and substrate topography influence the exponent α and coefficient C. Instead of discussing the effects … WebSearch text. Search type Research Explorer Website Staff directory. Alternatively, use our A–Z index

Controlling droplet spreading with topography

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WebJan 3, 2024 · Request PDF Controlling droplet spreading with topography We present a novel experimental system that can be used to study the dynamics of picoliter … WebFeb 1, 2016 · Research carried out over the past couple of decades has established that controlled propulsion 1, 2 of liquid droplets on a solid surface not only generates fascinating science, but also promises...

WebFIG. 6: Experimentally measured spreading of a droplet on a flat substrate (θA < 1 ). (a) Evolution of the droplet radius with time. Inset: Early time dynamics recorded both in - "Controlling droplet spreading with topography"

WebOct 27, 2024 · Controlling droplet spreading with topography Physical Review Fluids, American Physical Society September 6, 2024 We present an experimental system that can be used to study the dynamics of a... WebOct 22, 2010 · The influence of gravity on the motion of a two-dimensional droplet of a partially wetting fluid over a topographical substrate is considered. The spreading dynamics is modeled under the assumption of small contact angles in which case the long-wave expansion in the Stokes-flow regime can be employed to derive a single equation for the …

WebJun 30, 2024 · Some researchers [ 13, 14, 15, 16] analyzed the dynamic behavior of droplets by using structural surfaces and believed that this kind of surface could promote …

Webdroplet spread: The direct dissemination of a pathogen from a reservoir to a susceptible host’s conjunctiva, nose or mouth—by spray with relatively large, short-ranged (circa 1 … indian woodcroftWebNov 22, 2024 · The precise control of droplet transport is a core step to realize countless physical and chemical processes. 2 ... “ Directional transport of high-temperature Janus droplets mediated by structural topography,” Nat. Phys. 12, 606 ... White arrows mark the location of the target droplet. The spreading radius of the 10 wt. % PG droplet ... indian wood craft jaipurWebMay 1, 2024 · The results provide important insight into the design of wettability gradient surfaces for controlling droplet transport. ... On a surface with structural topography, therefore, ... Smart design of wettability-patterned gradients on substrate-independent coated surfaces to control unidirectional spreading of droplets. Soft Matter, 13 (2024), … indian wood craftWebJan 3, 2024 · Controlling droplet spreading with topography : Pallav Kant : Free Download, Borrow, and Streaming : Internet Archive. We present a novel experimental … lockheed c7WebNov 18, 2009 · The spreading of a droplet of a liquid on a smooth solid surface is often described by the Hoffman-de Gennes law, which relates the edge speed, v (e), to the dynamic and equilibrium contact angles θ and θ (e) through [Formula: see text]. lockheed cage codeWebControlling droplet spreading with topography Kant, P. ; Hazel, A. L. ; Dowling, M. ; Thompson, A. B. ; Juel, A. We present an experimental system that can be used to study … indian wood dining table and chairsWebIn the present study, the spreading of a two-dimensional droplet over a topographical substrate is revisited, although now the spreading is due to the combined effects of … indian wooden cash box