The role of surface rheology in liquid film formation

B. Scheid; J. Delacotte; B. Dollet; E. Rio; F. Restagno; E. A. Van Nierop; I. Cantat; D. Langevin; H. A. Stone

doi:10.1209/0295-5075/90/24002

The role of surface rheology in liquid film formation

B. Scheid, J. Delacotte, B. Dollet, E. Rio, F. Restagno, E. A. Van Nierop, I. Cantat, D. Langevin, H. A. Stone

Research output: Contribution to journal › Article › peer-review

Abstract

The role of surface rheology in fundamental fluid dynamical systems, such as liquid coating flows and soap film formation, is poorly understood. We investigate the role of surface viscosity in the classical film-coating problem. We propose a theoretical model that predicts film thickening based on a purely surface-viscous theory. The theory is supported by a set of new experimental data that demonstrates slight thickening even at very high surfactant concentrations for which Marangoni effects are irrelevant. The model and experiments represent a new regime that has not been identified before.

Original language	English
Article number	24002
Journal	EPL
Volume	90
Issue number	2
DOIs	https://doi.org/10.1209/0295-5075/90/24002
Publication status	Published - 18 May 2010
Externally published	Yes

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title = "The role of surface rheology in liquid film formation",

abstract = "The role of surface rheology in fundamental fluid dynamical systems, such as liquid coating flows and soap film formation, is poorly understood. We investigate the role of surface viscosity in the classical film-coating problem. We propose a theoretical model that predicts film thickening based on a purely surface-viscous theory. The theory is supported by a set of new experimental data that demonstrates slight thickening even at very high surfactant concentrations for which Marangoni effects are irrelevant. The model and experiments represent a new regime that has not been identified before.",

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AU - Scheid, B.

AU - Delacotte, J.

AU - Dollet, B.

AU - Rio, E.

AU - Restagno, F.

AU - Van Nierop, E. A.

AU - Cantat, I.

AU - Langevin, D.

AU - Stone, H. A.

PY - 2010/5/18

Y1 - 2010/5/18

N2 - The role of surface rheology in fundamental fluid dynamical systems, such as liquid coating flows and soap film formation, is poorly understood. We investigate the role of surface viscosity in the classical film-coating problem. We propose a theoretical model that predicts film thickening based on a purely surface-viscous theory. The theory is supported by a set of new experimental data that demonstrates slight thickening even at very high surfactant concentrations for which Marangoni effects are irrelevant. The model and experiments represent a new regime that has not been identified before.

AB - The role of surface rheology in fundamental fluid dynamical systems, such as liquid coating flows and soap film formation, is poorly understood. We investigate the role of surface viscosity in the classical film-coating problem. We propose a theoretical model that predicts film thickening based on a purely surface-viscous theory. The theory is supported by a set of new experimental data that demonstrates slight thickening even at very high surfactant concentrations for which Marangoni effects are irrelevant. The model and experiments represent a new regime that has not been identified before.

U2 - 10.1209/0295-5075/90/24002

DO - 10.1209/0295-5075/90/24002

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VL - 90

JO - EPL

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The role of surface rheology in liquid film formation

Abstract

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