Biphilic jumping-droplet condensation

Author: nkvt

August undefined, 2024

WebFigure 4. The steady-state single droplet condensation heat flux as a function of droplet radius for hydrophilic, hydrophobic, and 2 mm biphilic substrates. (A) The heat flux is … WebAug 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 …

A Comprehensive Model of Electric-Field-Enhanced Jumping-Droplet ...

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 · 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 … how to run affinity groups

Biphilic Surfaces with Optimum Hydrophobic Islands on a ...

WebNov 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 … 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 … how to run a file in bluej

Biphilic jumping-droplet condensation Request PDF - ResearchGate

WebNov 4, 2024 · Abstract. Jumping droplet condensation on superhydrophobic surfaces exhibit increased heat transfer rate compared to dropwise condensation on hydrophobic … WebJul 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 … northern neck mechanicalWebFigure 4. The steady-state single droplet condensation heat flux as a function of droplet radius for hydrophilic, hydrophobic, and 2 mm biphilic substrates. (A) The heat flux is shown for small droplets formed by direct … how to run a flask app in cmd

"WebBiphilic 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, ... " - Biphilic jumping-droplet condensation

Biphilic jumping-droplet condensation

Tuning Superhydrophobic Nanostructures To Enhance …

WebNumerical simulation of jumping droplet condensation. P Birbarah, S Chavan, N Miljkovic. Langmuir 35 (32), 10309-10321, 2024. 30: ... Phase change phenomena on water repelling and biphilic surfaces. SA Chavan. 1: 2024: The system can't perform the operation now. Try again later. Articles 1–20. WebBiphilic Jumping-Droplet Condensation Muhammad Jahidul Hoque 1,†, Shreyas Chavan,2, Ross Lundy2, Longnan Li1, Jingcheng Ma1, Xiao Yan1, Shenghui Lei2, …

Did you know?

WebNov 9, 2024 · Sustaining dropwise condensation is of great importance in many applications, especially in confined spaces. In this regard, superhydrophobic surfaces … 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 …

WebDroplet nucleation and condensation are ubiquitous phenomena in nature and industry. Over the past century, research has shown that heat transfer rates during steam dropwise condensation on nonwetting (e.g., hydrophobic) surfaces can be 10× higher than widely accepted filmwise condensation on wetting substrates (1–4).However, the need for … 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 …

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. 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 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 …

WebNov 9, 2024 · Sustaining dropwise condensation is of great importance in many applications, especially in confined spaces. In this regard, superhydrophobic surfaces enhance condensation heat transfer performance due to the discrete droplet formation and rapid removal. On the other hand, droplets tend to nucleate easier and faster on … northern neck news police reportWebApr 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. northern neck news obituariesWebTo 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. northern neck meat processingWebModeling 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, … northern neck news sheriff reportWebNov 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 coalescence-initiated droplet jumping from other state-of-the-art surfaces. Simulations have shown that optimal pyramid-shaped biphilic micro-structures can provoke droplet … northern neck news paperWebMar 10, 2024 · In this study, a biphilic nanostructure is developed to effectively improve the droplet jumping height by decreasing the interfacial adhesion with the … northern neck newspapers vaWebJan 16, 2024 · Rapid and sustained condensate droplet departure from a surface is key toward achieving high heat-transfer rates in condensation, a physical process critical to … northern neck news virginia