April 21, 2004Journal of Fluid Mechanics141 citations
View Full PaperCharacteristic lengths at moving contact lines for a perfectly wetting fluid: the influence of speed on the dynamic contact angle
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Abstract
It is common to relate the dynamic contact angle d to the relative speed between the substrate and the contact line; theory suggests d³ 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.