Biphilic jumping-droplet condensation
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 … 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 …
Biphilic jumping-droplet condensation
Did you know?
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 … WebApr 20, 2024 · Suffering from the adhesion of condensing water droplets, surface condensation performance is severely degraded. On a biphilic surface, condensing …
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 … 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 shown for small droplets formed by direct …
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 … 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 …
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 · 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. great day grocery storeWebApr 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. great day gif clipartWebBiphilic 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 … great day group homeWebNov 9, 2024 · Sustaining dropwise condensation is of great importance in many applications, especially in confined spaces. In this regard, superhydrophobic surfaces … great day graphicsgreat day guide service wisconsinWebNov 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 … great day guiding serviceWebJan 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 … great day golf