Tag Archives: capillary forces

granular smoothie

For the last 11 years and following an original idea of the Nobel Prize Pierre-Gilles de Gennes, the ESPGG has been promoting researchers from Paris and outside by mean of plenary experimental conferences. More than 100 scientists have so presented … Continue reading

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Surface tension profiles in vertical soap films

Soap films are quite familiar objects that can be produced by simply pulling a frame out of a soapy water vessel. Carefully looking at this film reveals a horizontal succession of colored fringes. Those interferences fringes attest to both the … Continue reading

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gallery of fluid motion 2014

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Capillary-driven buoyancy

Usual 3D buoyancy in fluids results form a difference in density between the immersed object and its surroundings. A simple question is : what happens in a nearly 2D systems such as soap bubbles or soap films ? In such … Continue reading

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Microbeads in Leidenfrost drops

We investigated the organization of micrometric hydrophilic beads (glass or basalt) immersed in Leidenfrost drops. Starting from a large volume of water compared to the volume of the beads, while the liquid evaporates, we observed that the grains are eventually … Continue reading

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