Rheology of dense suspensions of non-colloidal spheres in yield-stress fluids

Authors :: Simon Dagois-Bohy
Olivier Pouliquen
Elisabeth Guazzelli
Sarah Hormozi
Institut universitaire des systèmes thermiques industriels (IUSTI)
Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)
Ohio University
Source :: Journal of Fluid Mechanics, Journal of Fluid Mechanics, Cambridge University Press (CUP), 2015, 776, pp.2-2. ⟨10.1017/jfm.2015.329⟩, Journal of Fluid Mechanics, 2015, 776, pp.2-2. ⟨10.1017/jfm.2015.329⟩
Publication Year :: 2015
Publisher :: Cambridge University Press (CUP), 2015.
Abstract: International audience; Pressure-imposed rheometry is used to study the rheological properties of suspensions of non-colloidal spheres in yield-stress fluids. Accurate measurements for both the shear stress and the particle normal stress are obtained in the dense regime. The rheological measurements are favourably compared with a model based on scaling arguments and homogenisation methods.