Structured surfaces for a giant liquid slip

Author: fcst

August undefined, 2024

WebStructured surfaces for a giant liquid slip. Physical Review Letters, 101:064501. [123] Lee C, Kim C J. 2009. Maximizing the giant liquid slip on superhydrophobic microstructures by nanostruc-turing their sidewalls. Langmuir, 25:12812-12818. [124] Lee C, Kim C J. 2011a. Influence of surface hierarchy of superhydrophobic surfaces on liquid slip. WebFeb 21, 2013 · The texture of superhydrophobic coatings led to form a rugged morphology of the entrapped air layer, which would behave like microscale roughness to the liquid flow and offset the drag-reducing effects in the turbulent flow.

Drag reduction properties of superhydrophobic mesh pipes

WebAug 5, 2008 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our … WebDec 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. most magnificent cathedrals

A comparative analysis of the effective and local slip lengths for ...

WebPDF - 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 … WebWe study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled on … WebDec 21, 2024 · Liquid-infused surfaces are a promising passive technique for frictional drag reduction. However, their practical application is limited by the easy depletion of the lubricant infused in the surface by external forces. Miyeok contains mucus on its surface, which induces a sustainable slippery surface under flow conditions. most mained tf2 class

Structured surfaces for a giant liquid slip — Kyung Hee University

(PDF) Structured surfaces for a giant liquid slip. (2008)

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 … 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 … most magical wedding dress contestWebOct 25, 2013 · This paper presents an analytical investigation of constant property, steady, fully developed, laminar thermal transport in a parallel-plate channel comprised of metal superhydrophobic (SH) walls. The superhydrophobic walls considered here exhibit microribs and cavities aligned in the streamwise direction. The cavities are assumed to be … mostly yuvan internet archieve

"WebFeb 1, 2013 · The flow field inside the cavity is considered to define a boundary condition for the outer flow, which takes the form of a Navier slip condition with locally varying slip length. The slip-length function is determined heuristically from the … " - Structured surfaces for a giant liquid slip

Structured surfaces for a giant liquid slip

Drag reduction properties of superhydrophobic mesh pipes

WebJul 1, 2024 · While the slippage of water past gas–liquid interfaces on structured SHP surfaces has attracted wide attention, the slip behavior at gas–liquid interfaces trapped by the wettability step still remains unclear. Using molecular dynamics simulations, we first demonstrated that the three-phase contact line can be pinned on a smooth substrate of ... WebJan 21, 2024 · On the other hand, passive control methods, such as superhydrophobic surfaces (Zhu et al. 2014;Lee et al. 2024;Sooraj et al. 2024), and microstructures (Bearman and Harvey 1993;Choi et al....

Did you know?

WebApr 23, 2014 · Comparative displacement of a SHPo surface and a smooth surface measured in in a turbulent boundary layer flow (Re τ ~ 250) – 50× slower. It is clearly seen … 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.

Webindependent effects of two key surface parameters – structural pitch (periodicity) and gas fraction – by developing well-defined and defect-free microstructured surfaces. The … WebPDF - We study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled …

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 … WebSupporting: 3, Contrasting: 1, Mentioning: 218 - Structured Surfaces for a Giant Liquid Slip - Lee, Choongyeop, Choi, Chang-Hwan, Kim, Chang-Jin

WebOct 15, 2010 · This measuring method can be used to measure the slip length of liquid flow over the superhydrophobic surface consisting of a pillar array with good flexibility. ... [12] Lee C, Choi C-H and Kim C-J 2008 Structured surfaces for a giant liquid slip Phys. Rev. Lett. 101 064501. Go to reference in article Crossref PubMed Google Scholar

WebWe study experimentally how two key geometric parameters (pitch and gas fraction) of textured hydrophobic surfaces affect liquid slip. The two are independently controlled on … mini countryman occasion le parkingWebWe 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 … most maiden over in twenty20 cricket historyWebAug 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,... mini countryman oakwoodWebAdvanced Nanostructured Surfaces for the Control of Biofouling: Cell Adhesions to Three-Dimensional Nanostructures,” in Green Tribology – Biomimetics, Energy Conservation, … mini countryman official accessoriesWebThe slip length increases linearly with the pitch but dramatically with the gas fraction above 90%, the latter trend being more pronounced on posts than on grates. Once the surfaces … most mail from the provider\u0027s office is:WebAug 1, 2008 · The slip length increases linearly with the pitch but dramatically with the gas fraction above 90%, the latter trend being more pronounced on posts than on grates. Once … most mained champions lolWebDec 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. most maintenance free roof