Transport of fluids in fractures

Transport of fluids through fractures;
Fluid flow and tracer dispersion in self-affine fractures; Numerical simulation of the velocity field in three-dimensional fractures using the Lattice-Boltzmann Method; Numerical simulation of the dispersion of tracer particles by Monte-Carlo and Lattice-Boltzmann methods; Transport of non-Newtonian fluids in fractures; Filtration and deposition of fine particles in fractures and fracture networks.

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Suspensions

Transport properties of non-Brownian suspensions of spherical particles;
Shear-induced diffusion in non-brownian suspensions;
Statistical properties of sheared suspensions: chaotic dynamics in phase-space, symmetry breaking in the microscopic structure, formation of chain-like structures and clusters in concentrated suspensions, velocity distributions and autocorrelation functions;
The impact of spheres' roughness in sheared suspensions;
Numerical simulations of the dynamics of sheared suspensions by Stokesian Dynamics and Molecular Dynamics.

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Awards and Fellowships:

- CONICET Argentina Postdoctoral Fellow 2000-Present

- J. J. Giambiagi award for outstanding doctoral thesis in experimental physics.
Presented by the Argentine Physical Society.

- CONICET Argentina Doctoral Fellow, 1995-1999.

- Comision Nacional de Energia Atomica, Undergraduate Fellow, 1991-1994.

Recent Publications:

Adsorption phenomena in the transport of a colloidal particle through a nanochannel containing a partially wetting fluid, G. Drazer, J. Koplik, B. Khusid and A. Acrivos, Phys. Rev. Lett. 89, 244501 (2002)(abstract,arxiv,pdf); Virtual Journal of Nanoscale Science & Technology 6, 24.

Transport in rough self-a±fine fractures, G. Drazer and J. Koplik, Phys. Rev. E, 66, 026303 (2002). (abstract,arXiv,pdf)

Deterministic and stochastic behaviour of non-Brownian spheres in sheared suspensions, G. Drazer, J. Koplik, B. Khusid and A. Acrivos, J. Fluid Mech. 460, 307-335 (2002).(abstract,arXiv,pdf)

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