Particles in a yield-stress fluid : yield limit, sedimentation and hydrodynamic interaction

@inproceedings{Chaparian2018ParticlesIA,
  title={Particles in a yield-stress fluid : yield limit, sedimentation and hydrodynamic interaction},
  author={Emad Chaparian},
  year={2018}
}
A theoretical and numerical study of yield-stress fluid creeping flow about a particle is presented motivated by theoretical aspects and industrial applications. Yield stress fluids can hold rigid particles statically buoyant if the yield stress is large enough. In addressing sedimentation of rigid particles in viscoplastic fluids, we should know this critical ‘yield number’ beyond which there is no motion. As we get close to this limit, the role of viscosity becomes negligible in comparison to… CONTINUE READING

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