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SUMMARY:Special Seminar: Rheology of complex suspensions - Olivier Pouliqu
 en\, Aix-Marseille Université
DTSTART:20190521T103000Z
DTEND:20190521T113000Z
UID:TALK125191@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Adding rigid particles in a fluid is known to change its prope
 rties\, which might be a strategy to control the behavior  of complex flui
 ds. However\, despite its long research history and its practical relevanc
 e both in industrial applications and in geophysical problems\, the mechan
 ics of  suspensions in the dense regime remains poorly understood. In this
  talk\, we will  discuss experimental results obtained for suspensions of 
 rigid spheres and rigid fibres in a newtonian fluid\, with a special atten
 tion to the very dense regime close to the jamming transition. The case of
  suspensions in a complex fluid (particles in a yield stress fluid  and in
  a shear thickening fluid) will also be discussed\, showing how empirical 
 constitutive laws can be proposed from the knowledge of the rheology of ne
 wtonian suspensions and the rheology of the suspending fluid.
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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