Structured surfaces for a giant liquid slip
WebMay 2, 2012 · Structured Surfaces for a Giant Liquid Slip. 5 August 2008 Physical Review Letters, Vol. 101, No. 6. Review of Fluid Slip over Superhydrophobic Surfaces and Its … WebAuthor(s): Lee, Choongyeop; Choi, Chang-Hwan; Kim, Chang-Jin Cj Abstract: We study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled on precisely fabricated microstructures of posts and grates, and the slip length of water on each …
Structured surfaces for a giant liquid slip
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WebJul 4, 2024 · The use of a mesh provides a conformable micro-structured surface with inherent open voids, where the plain woven wires act as breakers to prevent the progression of plastron collapse. ... [40] Lee C, Choi C-H and Kim C-J 2008 Structured surfaces for a giant liquid slip Phys. Rev. Lett. 101 64501. Go to reference in article; Crossref; Google ... Webindependent effects of two key surface parameters – structural pitch (periodicity) and gas fraction – by developing well-defined and defect-free microstructured surfaces. The …
WebApr 1, 2010 · Two types of exemplary superhydrophilic surfaces are prepared, including polyester films treated by oxygen plasma and indium tin oxide-coated glasses treated by an electrochemical method. The superhydrophilicity of the treated surfaces presented herein is confirmed by their near-zero water contact angles. WebMay 28, 2012 · First, we present the theoretical models used to calculate the effective slip length on superhydrophobic surfaces in different configurations of liquid flow. Then, we present the different techniques used to measure the slip past these superhydrophobic surfaces: rheometry, particle image velocimetry, pressure drop, surface force apparatus …
WebDec 2, 2014 · Moreover, the nano/microscale rough surface structure of the electrodeposited copper surface exhibits better tolerance to physical rubbing, which destroys the nanoneedle-structured CuO surface. WebDownload Free PDF Structured Surfaces for a Giant Liquid Slip Choongyeop Lee 2008, Physical Review Letters nanometers over smooth surfaces, mostly hydrophobic , limiting …
WebLarge slip of aqueous liquid flow over a nanoengineered superhydrophobic surface. CH Choi, CJ Kim. Physical review letters 96 (6), 066001, 2006. 876: 2006: ... Structured …
WebFeb 6, 2024 · On the textured side of the channel, the liquid is in the Cassie state. No-slip and constant heat flux boundary conditions are imposed at the solid–liquid interfaces along the tips of the ridges, and the menisci between ridges are considered to be flat and adiabatic. kids mickey mouse crocsWebAug 1, 2014 · The nature of the liquid–gas meniscus plays an important role in defining the boundary condition and it depends on the flow conditions and geometrical properties of textures. In the present work,... kids metal lunch boxes with thermosWebDec 11, 2024 · The liquid–gas interface (LGI) on submerged microstructured surfaces has the potential to achieve a large slip effect, which is significant to the underwater applications such as drag reduction. kids michigan wolverine hatsWebPDF - We study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled on precisely fabricated microstructures of posts and grates, and the slip length of water on each sample is measured using a rheometer system. The slip length increases linearly … kids microphone and stand john lewisWebAug 8, 2008 · Structured surfaces for a giant liquid slip We study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces … kids mickey mouseWebDec 12, 2014 · A superhydrophobic surface can entrap gas in surface structures at the water-solid interface. However, many experimental results have exhibited that the entrapped gas can disappear, and the drag gradually increases until the loss of drag reduction with immersion time and underwater flow. kids microdini cropped hoody pulloverWebWe study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled on … kids microphone and stand smyths