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Expediting viscous spreading with liquid-infused solids

Saurabh Nath and David Quéré

  • Physique et Mécanique des Milieux Hétérogènes, UMR 7636 du CNRS, PSL Research University, ESPCI, 75005 Paris, France

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Phys. Rev. Fluids 9, 054001 – Published 6 May, 2024

DOI: https://doi.org/10.1103/PhysRevFluids.9.054001

Abstract

Here we discuss how the use of textured liquid-infused solids can expedite the dynamics of spreading of viscous drops, when the subjacent oil layer is less viscous. We characterize the nature and amplitude of the effect, and the laws governing the spreading at short time. More generally, our findings affirm the universality of the early dynamics of viscous contact, found to hold for drops that coalesce, spread, or even, like here, slip on their substrate.

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Outline

Information

Phys. Rev. Fluids 9, 054001– Published 6 May, 2024
  • Received 19 July 2022
  • Revised 12 January 2023
  • Accepted 12 March 2024
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