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Pré-Publication, Document De Travail (Preprint/Prepublication) Année : 2024

Success and breakdown of Tanner's law for drops of dense granular suspensions

Résumé

The spreading of viscous drops of density-matched suspensions on a solid surface is experimentally investigated at the global drop scale. The spreading dynamics still obeys Tanner's law provided one uses an effective viscosity which happens to be smaller than the bulk viscosity of the suspension. When the height of the drop is of the order of the particle size, Tanner's law breaks down as the particles start to freeze and the pure fluid drains out of the solid matrix.
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Dates et versions

hal-04436308 , version 1 (03-02-2024)
hal-04436308 , version 2 (08-06-2024)

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Alice Pelosse, Élisabeth Guazzelli, Matthieu Roché. Success and breakdown of Tanner's law for drops of dense granular suspensions. 2024. ⟨hal-04436308v1⟩
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