Droplet dynamics on slippery surfaces : Small droplet, big impact

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

5 Scopus Citations
View graph of relations

Author(s)

Related Research Unit(s)

Detail(s)

Original languageEnglish
Pages (from-to)35-45
Journal / PublicationBiosurface and Biotribology
Volume5
Issue number2
Publication statusPublished - Jun 2019

Abstract

The dynamic interaction of droplets with slippery surfaces is essential to various industrial applications, such as anti-icing,water-repellency or water-harvesting, anti-bacterial, and phase change heat transfer. With recent progress in materials, manufacturingas well as learning from nature, the physics of droplet dynamics has been greatly enriched owing to the emergence of peculiarwetting states manifested on bio-inspired textured surfaces. This review is devoted to the discussion of the recent progressmade in the authors’ understanding of the dynamic interaction of small droplets with bio-inspired surfaces. Particular attentionis given to droplet impact on slippery surfaces, such as superhydrophobic surfaces characterised with air–solid–liquid triple-phaseinterface and slippery lubricant infused porous surfaces characterised with the liquid/liquid two-phase interface. Dropletspreading, retraction, contact time, elastodynamics as well as oblique impact are systematically reviewed. Finally, the authorsoffer their perspectives on this important and highly multidisciplinary research area.