Abstract
Abstract
Highlights
A protective and functional surface coating can be created by lubricating a textured surface with an appropriate liquid
We have explored the behaviour of liquid-infused surfaces (LISs) in a turbulent channel flow with square longitudinal grooves for Reτ ≈ 180
By allowing the interface and the contact line to move, we could investigate the unconstrained motion of the interface
Summary
A protective and functional surface coating can be created by lubricating a textured surface with an appropriate liquid. The drag-reducing properties of these liquid-infused surfaces (LISs) have been explored recently both numerically (Fu et al 2017; Cartagena et al 2018; Arenas et al 2019) and experimentally (Van Buren & Smits 2017; Fu et al 2019). The LISs can prevent fouling (Epstein et al 2012), corrosion (Wang, Lu & Zhang 2015) and ice formation (Kim et al 2012).
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