Biphilic jumping-droplet condensation

Author: mqpb

August undefined, 2024

WebBiphilic jumping-droplet condensation Muhammad Jahidul Hoque,1,7 Shreyas Chavan,1,2,7 Ross Lundy,2 Longnan Li,1 Jingcheng Ma,1 Xiao Yan,1 Shenghui Lei,2 Nenad Miljkovic,1,3,4,5,* and Ryan Enright2,6,8,* SUMMARY Jumping-droplet condensation on rough superhydrophobic sur-faces exhibits increased heat-transfer … WebIt was recently discovered that condensation growing on a nanostructured superhydrophobic surface can spontaneously jump off the surface, triggered by naturally occurring coalescence events. Many reports have …

Biphilic Surfaces with Optimum Hydrophobic Islands on a ...

WebJun 6, 2024 · Nenad Miljkovic, and Ryan Enright, “Biphilic Jumping-Droplet Condensation,” Cell Reports Physical Science, 3 (4), 100823,2024 . 2. Muhammad Jahidul Hoque, Soumyadip Sett, Derrick Liu, Kazi Fazle Rabbi, Longnan Li, Xiao Yan, Mansoor Qureshi, And Nenad Miljkovic, “Lifespan of Slippery Liquid Infused Surfaces During the … WebFour videos showing the filmwise-to-dropwise transition, spatial control and coalesce-induced droplet jumping on hybrid surfaces, as well as further information on hybrid wettability verification, droplet growth model, droplet wetting and coalescence dynamics, evolution of droplet adhesion, supplementary analysis of figure-of-merit for … open club face vs closed club face

Electrostatic-induced coalescing-jumping droplets on …

WebNov 4, 2024 · Abstract. Jumping droplet condensation on superhydrophobic surfaces exhibit increased heat transfer rate compared to dropwise condensation on hydrophobic … WebFeb 26, 2024 · Surface structure length scale effects were shown to vanish for large droplets ( R i > 5 L). On the hierarchical biphilic surface, similar but more significant scattering of the jumping velocity and direction was observed. Droplet-size-dependent surface adhesion and pinning-mediated droplet rotation were responsible for the reduced jumping ... WebApr 20, 2024 · Suffering from the adhesion of condensing water droplets, surface condensation performance is severely degraded. On a biphilic surface, condensing … open club face for chipping

Biphilic Jumping-Droplet Condensation

WebMar 1, 2024 · Here, we report that biphilic surfaces having smooth, low-surface-energy spots on a superhydrophobic background exhibit a 10× higher jumping-droplet … WebSep 26, 2024 · Recent works also demonstrated various strategies to fabricate scalable biphilic surfaces. 41, ... For example, the durability of superhydrophobic nanostructures for EFE jumping-droplet condensation, and the stability of photoresponsive surfactants in various chemical and thermal environments are both important for the longevity of the … open club face on takeawayWebAug 9, 2016 · Understanding the fundamental mechanisms governing vapor condensation on nonwetting surfaces is crucial to a wide range of energy and water applications. In this paper, we reconcile classical droplet growth modeling barriers by utilizing two-dimensional axisymmetric numerical simulations to study in … iowa notary stamp requirements

"WebBiphilic Jumping-Droplet Condensation Muhammad Jahidul Hoque 1,†, Shreyas Chavan,2, Ross Lundy2, Longnan Li1, Jingcheng Ma1, Xiao Yan1, Shenghui Lei2, … " - Biphilic jumping-droplet condensation

Biphilic jumping-droplet condensation

Out-of-Plane Biphilic Surface Structuring for Enhanced …

WebApr 8, 2024 · Suffering from the adhesion of condensing water droplets, surface condensation performance is severely degraded. On a biphilic surface, condensing droplets efficiently nucleate while spontaneously … WebJan 1, 2024 · Suffering from the adhesion of condensing water droplets, surface condensation performance is severely degraded. On a biphilic surface, condensing droplets efficiently nucleate while spontaneously being effectively removed from the surface due to the coalescence-induced droplet jumping phenomenon, significantly improving …

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WebMar 10, 2024 · In this study, a biphilic nanostructure is developed to effectively improve the droplet jumping height by decreasing the interfacial adhesion with the … WebModeling and optimization of condensation heat transfer at biphilic interface. International Journal of Heat and Mass Transfer 2024, 122, 117-127. DOI: 10.1016/j.ijheatmasstransfer.2024.01.108. ... External convective jumping-droplet condensation on a flat plate. International Journal of Heat and Mass Transfer 2024, …

WebApr 20, 2024 · Droplet jumping physics on biphilic surfaces with different nanostructures and surface orientations under various air pressure conditions. Yihao Zhu, Tsz Chung Ho, Hau Him Lee, Michael Kwok Hi Leung, Chi Yan Tso. Article 100849. WebJumping-droplet condensation on rough superhydrophobic surfaces exhibits increased heat-transfer rates when compared with dropwise condensation on smooth hydrophobic …

WebTo verify our simulation results, we study condensed water droplet growth using optical and environmental scanning electron microscopy on biphilic samples consisting of hydrophobic and nanostructured superhydrophobic regions, showing excellent agreement with the simulations for both constant base area and constant contact angle growth regimes. WebSep 26, 2024 · Droplet. Volume 1, Issue 2 p. 80-91. REVIEW ARTICLE. Open Access. Manipulation of droplets and bubbles for thermal applications. Xichen Liang, ... Liquid–vapor phase change including evaporation, boiling, and condensation is a ubiquitous process found in power generation, desalination, thermal management, building heating and …

WebApr 20, 2024 · To maximize the droplet jumping height on a biphilic surface, Zhu et al. develop a droplet jumping theory, considering the surface structure, orientation, and air pressure. The optimized biphilic surface significantly enhances the condensation heat transfer, which benefits various thermal applications.

WebJun 25, 2015 · Superhydrophobic micro/nanostructured surfaces for dropwise condensation have recently received significant attention due to their potential to enhance heat transfer performance by shedding positively charged water droplets via coalescence-induced droplet jumping at length scales below the capillary length and allowing the use of … iowa notary renewal public applicationWebNov 9, 2024 · Sustaining dropwise condensation is of great importance in many applications, especially in confined spaces. In this regard, superhydrophobic surfaces … open club inmogestionWebNov 5, 2024 · Such a droplet departure mechanism has the potential to reduce the droplet ejection volume and thus enhance the overall condensation efficiency, compared to … iowa notary public handbookWebBiphilic jumping-droplet condensation. MJ Hoque, S Chavan, R Lundy, L Li, J Ma, X Yan, S Lei, N Miljkovic, ... Cell Reports Physical Science 3 (4), 100823, 2024. 7: 2024: Modular heat sinks for enhanced thermal management of electronics. MJ Hoque, A Günay, A Stillwell, Y Gurumukhi, RCN Pilawa-Podgurski, ... iowa notary seal requirementsWebFor example, a biphilic surface design with hydrophilic spots ( ≤ 60°), pitch ratio = 8.35, and = 0.15 is expected to enable droplet jumping and gives a model condensation heat … iowa notary suppliesWebBiphilic Jumping-Droplet Condensation. Muhammad Jahidul Hoque, S. Chavan, +6 authors R. Enright; Physics. SSRN Electronic Journal. 2024; 7. Save. ... We investigate the stable dropwise condensation that occurs at a droplet growth rate of 1 … Expand. PDF. View 1 excerpt, cites background; Save. iowa notary searchWebJul 2, 2024 · With the recent advances in surface fabrication technologies, condensation heat transfer has seen a renaissance. Hydrophobic and superhydrophobic surfaces have all been employed as a means to enhance condensate shedding, enabling micrometric droplet departure length scales. One of the main bottlenecks for achieving higher condensation … iowa notice of appeal