Journal ArticleDOI
Self-propelled dropwise condensate on superhydrophobic surfaces.
Reads0
Chats0
TLDR
Continuous dropwise condensation spontaneously occurring on a superhydrophobic surface without any external forces is reported.Abstract:
In conventional dropwise condensation on a hydrophobic surface, the condensate drops must be removed by external forces for continuous operation. This Letter reports continuous dropwise condensation spontaneously occurring on a superhydrophobic surface without any external forces. The spontaneous drop removal results from the surface energy released upon drop coalescence, which leads to a surprising out-of-plane jumping motion of the coalesced drops at a speed as high as 1 m/s. The jumping follows an inertial-capillary scaling and gives rise to a micrometric average diameter at steady state.read more
Citations
More filters
Journal ArticleDOI
Design of anti-icing surfaces: smooth, textured or slippery?
TL;DR: Different strategies to achieve ice repellency on various hydrophilic and hydrophobic surfaces are reviewed with a focus on the recent development of superhydrophobic and lubricant-infused surfaces.
Journal ArticleDOI
Jumping-Droplet-Enhanced Condensation on Scalable Superhydrophobic Nanostructured Surfaces
Nenad Miljkovic,Ryan Enright,Ryan Enright,Youngsuk Nam,Youngsuk Nam,Ken Lopez,Nicholas G. Dou,Jean Sack,Evelyn N. Wang +8 more
TL;DR: This work shows that silanized copper oxide surfaces created via a simple fabrication method can achieve highly efficient jumping-droplet condensation heat transfer and promises a low cost and scalable approach to increase efficiency for applications such as atmospheric water harvesting and dehumidification.
Journal ArticleDOI
Bio-inspired strategies for anti-icing.
TL;DR: Effectively trapping air in surface textures of superhydrophobic surfaces weakens the interaction of the surfaces with liquid water, which enables timely removal of impacting and condensed water droplets before freezing occurs.
Journal ArticleDOI
Condensation on slippery asymmetric bumps
Kyoo-Chul Park,Philseok Kim,Alison Grinthal,Neil He,David A. Fox,James C. Weaver,Joanna Aizenberg,Joanna Aizenberg +7 more
TL;DR: In this paper, a design approach based on principles derived from Namib desert beetles, cacti, and pitcher plants is proposed to maximize vapour diffusion flux at the apex of convex millimetric bumps by optimizing the radius of curvature and cross-sectional shape.
Journal ArticleDOI
Hydrophobicity of rare-earth oxide ceramics
TL;DR: This work shows that a class of ceramics comprising the entire lanthanide oxide series, ranging from ceria to lutecia, is intrinsically hydrophobic, and attributes their hydrophobicity to their unique electronic structure, which inhibits hydrogen bonding with interfacial water molecules.
References
More filters