Analytic Calculation of Capillary Bridge Properties Deduced as an Inverse Problem from Experimental Data |
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Authors: | Gérard Gagneux Olivier Millet |
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Institution: | 1. LaSIE, UMR-CNRS 7356, Université de La Rochelle, Avenue Michel Crépeau, 17042?, La Rochelle Cedex 1, France
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Abstract: | In this work, we propose an original resolution of Young–Laplace equation for capillary doublets from an inverse problem. We establish a simple explicit criterion based on the observation of the contact point, the wetting angle and the gorge radius, to classify in an exhaustive way the nature of the surface of revolution. The true shape of the admissible static bridges surface is described by parametric equations; this way of expressing the profile is practical and well efficient for calculating the binding forces, areas and volumes. Moreover, we prove that the inter-particle force may be evaluated on any section of the capillary bridge and constitutes a specific invariant. |
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