Gas Enrichment at Liquid-Wall Interfaces

S.M. Dammer, D. Lohse

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Molecular dynamics simulations of Lennard-Jones systems are performed to study the effects of dissolved gas on liquid-wall and liquid-gas interfaces. Gas enrichment at walls, which for hydrophobic walls can exceed more than 2 orders of magnitude when compared to the gas density in the bulk liquid, is observed. As a consequence, the liquid structure close to the wall is considerably modified, leading to an enhanced wall slip. At liquid-gas interfaces gas enrichment which reduces the surface tension is found.
Original languageEnglish
Article number206101
Number of pages4
JournalPhysical review letters
Issue number20
Publication statusPublished - 2006


  • IR-59081
  • METIS-231774


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