Hydrodynamic boundary conditions and dynamic forces between bubbles and surfaces

Ofer Manor; Ivan U. Vakarelski; Xiaosong Tang; Sean J. O'Shea; Geoffrey W. Stevens; Franz Grieser; Raymond R. Dagastine; Derek Y.C. Chan

doi:10.1103/PhysRevLett.101.024501

Hydrodynamic boundary conditions and dynamic forces between bubbles and surfaces

Ofer Manor^*, Ivan U. Vakarelski, Xiaosong Tang, Sean J. O'Shea, Geoffrey W. Stevens, Franz Grieser, Raymond R. Dagastine, Derek Y.C. Chan

^*Corresponding author for this work

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

107 Scopus citations

Abstract

Dynamic forces between a 50μm radius bubble driven towards and from a mica plate using an atomic force microscope in electrolyte and in surfactant exhibit different hydrodynamic boundary conditions at the bubble surface. In added surfactant, the forces are consistent with the no-slip boundary condition at the mica and bubble surfaces. With no surfactant, a new boundary condition that accounts for the transport of trace surface impurities explains variations of dynamic forces at different speeds and provides a direct connection between dynamic forces and surface transport effects at the air-water interface.

Original language	English (US)
Article number	024501
Journal	Physical Review Letters
Volume	101
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.101.024501
State	Published - Jul 11 2008
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.101.024501

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title = "Hydrodynamic boundary conditions and dynamic forces between bubbles and surfaces",

abstract = "Dynamic forces between a 50μm radius bubble driven towards and from a mica plate using an atomic force microscope in electrolyte and in surfactant exhibit different hydrodynamic boundary conditions at the bubble surface. In added surfactant, the forces are consistent with the no-slip boundary condition at the mica and bubble surfaces. With no surfactant, a new boundary condition that accounts for the transport of trace surface impurities explains variations of dynamic forces at different speeds and provides a direct connection between dynamic forces and surface transport effects at the air-water interface.",

author = "Ofer Manor and Vakarelski, {Ivan U.} and Xiaosong Tang and O'Shea, {Sean J.} and Stevens, {Geoffrey W.} and Franz Grieser and Dagastine, {Raymond R.} and Chan, {Derek Y.C.}",

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doi = "10.1103/PhysRevLett.101.024501",

language = "English (US)",

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AU - Manor, Ofer

AU - Vakarelski, Ivan U.

AU - Tang, Xiaosong

AU - O'Shea, Sean J.

AU - Stevens, Geoffrey W.

AU - Grieser, Franz

AU - Dagastine, Raymond R.

AU - Chan, Derek Y.C.

PY - 2008/7/11

Y1 - 2008/7/11

N2 - Dynamic forces between a 50μm radius bubble driven towards and from a mica plate using an atomic force microscope in electrolyte and in surfactant exhibit different hydrodynamic boundary conditions at the bubble surface. In added surfactant, the forces are consistent with the no-slip boundary condition at the mica and bubble surfaces. With no surfactant, a new boundary condition that accounts for the transport of trace surface impurities explains variations of dynamic forces at different speeds and provides a direct connection between dynamic forces and surface transport effects at the air-water interface.

AB - Dynamic forces between a 50μm radius bubble driven towards and from a mica plate using an atomic force microscope in electrolyte and in surfactant exhibit different hydrodynamic boundary conditions at the bubble surface. In added surfactant, the forces are consistent with the no-slip boundary condition at the mica and bubble surfaces. With no surfactant, a new boundary condition that accounts for the transport of trace surface impurities explains variations of dynamic forces at different speeds and provides a direct connection between dynamic forces and surface transport effects at the air-water interface.

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U2 - 10.1103/PhysRevLett.101.024501

DO - 10.1103/PhysRevLett.101.024501

M3 - Article

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VL - 101

JO - Physical Review Letters

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Hydrodynamic boundary conditions and dynamic forces between bubbles and surfaces

Abstract

ASJC Scopus subject areas

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