Liquid Hertz contact: Softness of weakly deformed drops on non-wetting substrates

F. Chevy; A. Chepelianskii; D. Quéré; E. Raphaël

doi:10.1209/0295-5075/100/54002

Liquid Hertz contact: Softness of weakly deformed drops on non-wetting substrates

F. Chevy
, A. Chepelianskii
, D. Quéré
, E. Raphaël

PSL research University & IPSL
Laboratoire de Physique des Solides
UMR 7636 CNRS-ESPCI ParisTech-Université Pierre et Marie Curie
ESPCI

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

The behavior of weakly deformed drops on non-wetting surfaces is usually described using linear models. We show that these simple pictures cannot account for measurements of the dynamics of droplets that oscillate or bounce on super-hydrophobic substrates. We demonstrate that several peculiar experimental observations observed in previous works can be understood through a logarithmic correction of the linear model.

langue originale	Anglais
Numéro d'article	54002
journal	EPL
Volume	100
Numéro de publication	5
Les DOIs	https://doi.org/10.1209/0295-5075/100/54002
état	Publié - 1 déc. 2012
Modification externe	Oui

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10.1209/0295-5075/100/54002

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title = "Liquid Hertz contact: Softness of weakly deformed drops on non-wetting substrates",

abstract = "The behavior of weakly deformed drops on non-wetting surfaces is usually described using linear models. We show that these simple pictures cannot account for measurements of the dynamics of droplets that oscillate or bounce on super-hydrophobic substrates. We demonstrate that several peculiar experimental observations observed in previous works can be understood through a logarithmic correction of the linear model.",

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AB - The behavior of weakly deformed drops on non-wetting surfaces is usually described using linear models. We show that these simple pictures cannot account for measurements of the dynamics of droplets that oscillate or bounce on super-hydrophobic substrates. We demonstrate that several peculiar experimental observations observed in previous works can be understood through a logarithmic correction of the linear model.

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Liquid Hertz contact: Softness of weakly deformed drops on non-wetting substrates

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