Biphilic jumping-droplet condensation

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August undefined, 2024

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 … 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 …

‪Shreyas Chavan‬ - ‪Google Scholar‬

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. 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 coalescence-initiated droplet jumping from other state-of-the-art surfaces. Simulations have shown that optimal pyramid-shaped biphilic micro-structures can provoke droplet … the paget\u0027s association

Biphilic Jumping-Droplet Condensation

WebNov 4, 2024 · Abstract. Jumping droplet condensation on superhydrophobic surfaces exhibit increased heat transfer rate compared to dropwise condensation on hydrophobic … WebBiphilic 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. 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 … the page that required host settings

Frontiers Condensation on Surfaces With Biphilic Topography ...

Biphilic jumping-droplet condensation

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 … 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 ... the page terrace motelWebApr 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. the paget\u0027s disease foundation

"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 … " - Biphilic jumping-droplet condensation

Biphilic jumping-droplet condensation

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

WebJan 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 … WebHere, we report that biphilic surfaces having smooth, low-surface-energy spots on a superhydrophobic background exhibit a 10× higher jumping-droplet condensation …

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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 … WebFor 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 …

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 … 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 …

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. 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 …

WebNov 9, 2024 · Sustaining dropwise condensation is of great importance in many applications, especially in confined spaces. In this regard, superhydrophobic surfaces … the paget laneWebJun 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 … the page three girlsWebNov 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 … the page title is inside the tagWebNov 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 … the paget trustWebApr 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. the paget houseWebModeling 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, … the page title is too shortWebFigure 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 … the page to o