WebbPendant drop method: Surface and interfacial tension can be measured by this technique, even at elevated temperatures and pressures. Geometry of a drop is analyzed optically. For pendant drops the maximum diameter … Webb12 dec. 2014 · Another method uses a variation of the pendant drop method called the sessile drop method, which is very similar to the pendant drop method, except for the fact that the drop is at rest on a surface instead of hanging from a medium. Several of the variables in calculating IFT using the sessile drop method are shared with

Design and accuracy of pendant drop methods for surface tension …

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WebbThis method establishes a more reproducible diffusion coefficient than current techniques that utilize only the short- or long-time parts of the relaxation spectrum. In addition, lower … WebbInterfacial tension measurement between two immiscible liquids is based on the pendant drop method where a drop of liquid is formed at the end of the needle tip. In the … WebbAbstract. A technique for determining interfacial tension from the shape of an axisymmetric fluid-liquid interface is presented. The technique entails using a novel data acquisition method which uses a high speed video camera to record pendant drop images and a standard graphics computer to precisely measure drop edge coordinates. great white sharks mating video