angle of repose 1colloidal suspensions 1jamming transition 1microfluidic experiments 1thermal agitation 1
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cond-mat.soft2026
Colloidal Suspensions can have Non-Zero Angles of Repose below the Minimal Value for Athermal Frictionless Particles
Jesús Fernández, Loïc Vanel, Antoine Bérut
The study measures how dense colloidal silica suspensions form piles in a rotating microfluidic drum, showing that very small particles flow until flat (zero angle of repose) while…
cond-mat.soft2026
Aging in the Flow Dynamics of Dense Suspensions of Contactless Microparticles
Jesús Fernández, Loïc Vanel, Antoine Bérut
This study demonstrates that the free-surface flow dynamics of dense piles of contactless silica microparticles depend on the resting period prior to flow. Microfluidic rotating dr…
cond-mat.soft2025
Capillary and priming pressures control the penetration of yield-stress fluids through non-wetting 2D meshes
Manon Bourgade, Nicolas Bain, Loïc Vanel +2
Forcing hydrophilic fluids through hydrophobic porous solids is a recurrent industrial challenge. If the penetrating fluid is Newtonian, the imposed pressure has to overcome the ca…