Gas Enrichment at Liquid-Wall Interfaces

S.M. Dammer; Detlef Lohse

doi:10.1103/PhysRevLett.96.206101

Gas Enrichment at Liquid-Wall Interfaces

S.M. Dammer, Detlef Lohse

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Abstract

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 language	Undefined
Pages (from-to)	206101-1-206101-4
Number of pages	4
Journal	Physical review letters
Volume	96
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.96.206101
Publication status	Published - 2006

Keywords

IR-59081
METIS-231774

Cite this

Dammer, S. M., & Lohse, D. (2006). Gas Enrichment at Liquid-Wall Interfaces. Physical review letters, 96(20), 206101-1-206101-4. https://doi.org/10.1103/PhysRevLett.96.206101

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AB - 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.

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U2 - 10.1103/PhysRevLett.96.206101

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Access to Document

10.1103/PhysRevLett.96.206101

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