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5 papers · 2 filters
Topological versus rheological entanglement length in primitive path analysis protocols
Ralf Everaers
Primitive path analysis algorithms are now routinely employed to analyze entanglements in computer simulations of polymeric systems, but different analysis protocols result in diff…
Yielding dynamics of a Herschel-Bulkley fluid: a critical-like fluidization behaviour
Thibaut Divoux, David Tamarii, Catherine Barentin +2
The shear-induced fluidization of a carbopol microgel is investigated during long start-up experiments using combined rheology and velocimetry in Couette cells of varying gap width…
Lift and drag forces on an inclined plow moving over a granular surface
Baptiste Percier, Sebastien Manneville, Jim N. McElwaine +2
We studied the drag and lift forces acting on an inclined plate while it is dragged on the surface of a granular media, both in experiment and numerical simulation. In particular,…
Interplay between a hydrodynamic instability and a phase transition: the Faraday instability in dispersions of rodlike colloids
Pierre Ballesta, M. Paul Lettinga, Sebastien Manneville
Strong effects of the Faraday instability on suspensions of rodlike colloidal particles are reported through measurements of the critical acceleration and of the surface wave ampli…
Stress overshoot in a simple yield stress fluid: an extensive study combining rheology and velocimetry
Thibaut Divoux, Catherine Barentin, Sebastien Manneville
We report a large amount of experimental data on the stress overshoot phenomenon which takes place during start-up shear flows in a simple yield stress fluid, namely a carbopol mic…