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

  • Simon Dagois-Bohy (a1), Sarah Hormozi (a2), Élisabeth Guazzelli (a1) and Olivier Pouliquen (a1)


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.


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