Controlling droplet spreading with topography
WebOct 27, 2024 · A water droplet (~5 μl) deposited on the as-fabricated surface displays an asymmetric transport behavior. As shown in Fig. 1D and movie S1, there is a dominant … 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 …
Controlling droplet spreading with topography
Did you know?
WebApr 11, 2024 · Finally, the variation of the surface topography, either spatially through designed patterns, or dynamically via forced droplet motion 29 or actuation of flexible … 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.
WebHypothesis: Wetting characterization and the production of engineered surfaces showing distinct contact angles or spreading behavior is of major importance for many industrial and scientific applications. As chemical composition plays a major role in the wetting behavior of flat samples, wettability, capillary forces and resulting droplet spreading on anisotropic … WebIn the present paper our interest is in the spreading of a pico-litre (pL) sized droplet on substrates with topography; a fundamental process in the inkjet printing based …
WebSep 6, 2024 · We present an experimental system that can be used to study the dynamics of a picoliter droplet (in-flight radius of 12.2μm) as it spreads over substrates with topographic variations. We concentrate on the spreading of a droplet within a recessed … WebMay 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), …
WebMay 24, 2024 · The spontaneous droplet spreading experiments were carried out using the setup illustrated in Fig. 3(a). Asymmetric sawtooth surface structures with different …
WebNov 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]. henkel harris dining room furnitureWebApr 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 … henkel harris companyWebThis required detailed understanding and modeling of liquid droplet impact and spreading on complex surfaces, chemical sorption in polymer-based materials, and dispersion into the surrounding ... henkel harris dresser with mirror for saleWebFeb 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... large christmas light projectorWebWe 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 … henkel harris corner chairWebFIG. 7: Spreading laws measured on substrates with (a) θA < 1 and (b) θA = 11 . The red squares represent the experimental data corresponding to the viscosity-dominated - "Controlling droplet spreading with topography" henkel harris dining table and chairsWebOct 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... henkel harris english sofa