Characteristic lengths at moving contact lines for a perfectly wetting fluid: The influence of speed on the dynamic contact angle

Jens Eggers; Howard A. Stone

doi:10.1017/S0022112004008663

Characteristic lengths at moving contact lines for a perfectly wetting fluid: The influence of speed on the dynamic contact angle

Jens Eggers, Howard A. Stone

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

124 Scopus citations

Abstract

It is common to relate the dynamic contact angle θ_d to the relative speed between the substrate and the contact line; theory suggests θ≤³_d ∝ U. In fact, available physical models show that the dynamic angle involves speed logarithmically and in a model-dependent manner. Experimental data consistent with this interpretation are cited.

Original language	English (US)
Pages (from-to)	309-321
Number of pages	13
Journal	Journal of Fluid Mechanics
Volume	505
DOIs	https://doi.org/10.1017/S0022112004008663
State	Published - Apr 25 2004

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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10.1017/S0022112004008663

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title = "Characteristic lengths at moving contact lines for a perfectly wetting fluid: The influence of speed on the dynamic contact angle",

abstract = "It is common to relate the dynamic contact angle θd to the relative speed between the substrate and the contact line; theory suggests θ≤3d ∝ U. In fact, available physical models show that the dynamic angle involves speed logarithmically and in a model-dependent manner. Experimental data consistent with this interpretation are cited.",

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AU - Eggers, Jens

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N2 - It is common to relate the dynamic contact angle θd to the relative speed between the substrate and the contact line; theory suggests θ≤3d ∝ U. In fact, available physical models show that the dynamic angle involves speed logarithmically and in a model-dependent manner. Experimental data consistent with this interpretation are cited.

AB - It is common to relate the dynamic contact angle θd to the relative speed between the substrate and the contact line; theory suggests θ≤3d ∝ U. In fact, available physical models show that the dynamic angle involves speed logarithmically and in a model-dependent manner. Experimental data consistent with this interpretation are cited.

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JO - Journal of Fluid Mechanics

JF - Journal of Fluid Mechanics

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Characteristic lengths at moving contact lines for a perfectly wetting fluid: The influence of speed on the dynamic contact angle

Abstract

All Science Journal Classification (ASJC) codes

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