The Hormozi Laboratory

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Research

We study fluid mechanics, rheology, and microstructure of slurries of complex fluids. Our research is crucial in understanding industrial and natural problems and designing materials such as injectable hydrogels, manufacturing feedstocks, soft robotics, and shock absorbers. We apply novel experimental tools, theory, and efficient computational techniques, to address the fundamental problems with profound practical implications. Below we provide some typical examples of what we do.

We study Fluid mechanics, Rheology, and Microstructure of slurries of complex fluids.

Research is approached in 3 different ways: experimentally, theoretically, and computationally.

Fluid Mechanics

  • We have provided a model framework for the dispersion of solids in fracturing flows of yield stress fluids. For more details, see

    • -Hormozi, S., & Frigaard, I.A. (2017) Dispersion of solids in fracturing flows of yield stress fluids. J. Fluid Mech. 830, 93-137.

Rheology

  • We have established scaling laws for non-Newtonian slurries. For more details, see

    • -Ovarlez, G., Mahaut, F., Deboeuf, F., Lenoir, N., Hormozi, S., & Chateau, X. (2015) Flows of suspensions of particles in yield stress fluids. Journal of Rheology. 59, 1449-1486.
    • -Dagois-Bohy, S., Hormozi, S., Guazzelli, E. & Pouliquen, O. (2015) Rheology of dense suspensions of non-colloidal spheres in yield-stress fluids. J. Fluid Mech, 776, R2
    • -Madraki, Y., Hormozi, S., Ovarlez, G., Guazzelli, E. & Pouliquen, O. (2017) Enhancing Shear Thickening. Phys. Rev. Fluids 2, 033301.

Microstructure

  • We have provided detailed understanding about the role of yield stress on the particle trajectories and microstructure of suspensions. For more details, see

    • -Firouznia, M., Metzger, M., Ovarlez, G. & Hormozi, S. (2018) The interaction of two spherical particles in simple-shear flows of yield stress fluids. J. Non-Newtonian Fluid Mech, 255, 19-38.
    • -Ovarlez, G., Mahaut, F., Deboeuf, F., Lenoir, N., Hormozi, S., & Chateau, X. (2015) Flows of suspensions of particles in yield stress fluids. Journal of Rheology. 59, 1449-1486.

Breakdown of Fluid Mechanics in relation to our research

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