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Spreading of water on a liquid-infused solid
Phys. Rev. Fluids 7, 084003 – Published 29 August, 2022
DOI: https://doi.org/10.1103/PhysRevFluids.7.084003
Abstract
Liquid-infused solids (LISs) are textured materials infused by oil, which makes them highly slippery for drops of another nonmiscible liquid. In this article, we discuss what happens when a water drop contacts and spreads on such LISs. Focusing on the influence of the oil layer trapped in the texture, we report that, despite lubrication, spreading on a LIS is slower than on a bare solid, even at short times. Yet the dynamics unexpectedly preserves its scaling, which we explain by considering the friction in the film, showing that the slippery nature of LISs can be accompanied by a significant dissipation.
Physics Subject Headings (PhySH)
Corrections
12 September, 2022
Correction: Conversion errors in production resulted in some occurrences of the letters D, R, γ, and η to appear incorrectly. They have now been fixed. Minor errors in inline equations in the second sentence below Eq. (2) and in the fifth sentence of the fourth paragraph of Sec. V have been fixed.
Article Text
Supplemental Material
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