Spontaneous spreading of surfactant-bearing drops in the sorption-controlled limit

Kit Yan Chan; Ali Borhan

doi:10.1016/j.jcis.2006.05.068

Spontaneous spreading of surfactant-bearing drops in the sorption-controlled limit

Kit Yan Chan, Ali Borhan

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

3 Scopus citations

Abstract

Axisymmetric spreading of a liquid drop containing a soluble surfactant on a smooth solid substrate is numerically investigated for the case in which surfactant mass transfer between the interface and the bulk liquid is sorption/kinetic controlled. The fastest spreading rate is achieved by drops with O (1) values of Biot number for which the rate of surface convection is comparable to the sorption rate, and the surfactant molecules transferred to the interface are effectively convected to the contact line region.

Original language	English (US)
Pages (from-to)	374-377
Number of pages	4
Journal	Journal of Colloid And Interface Science
Volume	302
Issue number	1
DOIs	https://doi.org/10.1016/j.jcis.2006.05.068
State	Published - Oct 1 2006

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Biomaterials
Surfaces, Coatings and Films
Colloid and Surface Chemistry

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10.1016/j.jcis.2006.05.068

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title = "Spontaneous spreading of surfactant-bearing drops in the sorption-controlled limit",

abstract = "Axisymmetric spreading of a liquid drop containing a soluble surfactant on a smooth solid substrate is numerically investigated for the case in which surfactant mass transfer between the interface and the bulk liquid is sorption/kinetic controlled. The fastest spreading rate is achieved by drops with O (1) values of Biot number for which the rate of surface convection is comparable to the sorption rate, and the surfactant molecules transferred to the interface are effectively convected to the contact line region.",

author = "Chan, {Kit Yan} and Ali Borhan",

note = "Funding Information: This work was partially supported by NASA grant NAG3-2729.",

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AU - Borhan, Ali

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N2 - Axisymmetric spreading of a liquid drop containing a soluble surfactant on a smooth solid substrate is numerically investigated for the case in which surfactant mass transfer between the interface and the bulk liquid is sorption/kinetic controlled. The fastest spreading rate is achieved by drops with O (1) values of Biot number for which the rate of surface convection is comparable to the sorption rate, and the surfactant molecules transferred to the interface are effectively convected to the contact line region.

AB - Axisymmetric spreading of a liquid drop containing a soluble surfactant on a smooth solid substrate is numerically investigated for the case in which surfactant mass transfer between the interface and the bulk liquid is sorption/kinetic controlled. The fastest spreading rate is achieved by drops with O (1) values of Biot number for which the rate of surface convection is comparable to the sorption rate, and the surfactant molecules transferred to the interface are effectively convected to the contact line region.

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AN - SCOPUS:33747354348

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ER -

Spontaneous spreading of surfactant-bearing drops in the sorption-controlled limit

Abstract

All Science Journal Classification (ASJC) codes

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