Steady-state properties of flow in porous media

RESEARCH THEME 3

Objective:
Establish a phase diagram for steady-state two-phase flow. Verify experimentally the equations based on non-equilibrium thermodynamics developed under RT 1. Establish an experimental basis for introducing osmotic driving forces as described in RT 5.

Simulation with reconstructed network from Berea sandstone 1,8 x 1,8 x 1,8 mm3. Picture courtesy: Santanu Sinha, Alex Hansen et.al., in preparation.

Description:
In steady-state two-phase flow, the systems can either present a rich dynamics of fragmentation, motion and coalescence of single-phase fluid clusters, or have nearly frozen and immobile clusters.

Investigators

Principal Investigator for Research Theme 3:
Professor Knut Jørgen Måløy.

Partners:
Profs. Dick Bedeaux, Dag Dysthe, Eirik Grude Flekkøy, Alex Hansen, Signe Helene Kjelstrup, Laurent Talon, Ole Torsæter, Renaud Toussaint.

Selected articles before center launch:

  1. M. Erpelding, S. Sinha, K.T. Tallakstad, A. Hansen, E.G. Flekkøy, and K.J. Måløy, History-independence of steady state in simultaneous two-phase flow through 2D porous media, Phys Rev. E. 88, 053004 (2013). doi: 10.1103
  2. O.Aursjø, H.A. Knudsen, E.G. Flekkøy, and K.J. Måløy, Oscillation induced displacement pattern in a two-dimensional porous medium: A lattice Boltzmann study, Phys. Rev. E. 82, 026305, (2010). doi:10.1103
  3. K.T. Tallakstad, H. A. Knnudsen, T. Ramstad, G. Løvoll, K. J. Måløy, R. Toussaint, and E. G. Flekkøy. Steady-State Two-Phase Flow in Porous Media: Statistics and Transport Properties. Phys. Rev. Lett. 102, 074502, (2009). doi:https://doi.org/10.1103
  4. K.T. Tallakstad, G. Løvoll, H. A. Knudsen, T. Ramstad, E.G. Flekkøy and K.J. Måløy, Steady-state simultaneous two-phase flow in porous media: An experimental study, Phys. Rev. E. 80, 036308 (2009).

Selected articles from 2017:

  1. Eriksen, Fredrik Kvalheim; Toussaint, Renaud; Turquet, Antoine Léo; Måløy, Knut Jørgen & Flekkøy, Eirik Grude (2017). Pneumatic fractures in confined granular media. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics.  ISSN 1063-651X. . doi: 10.1103/PhysRevE.95.062901
  2. Moura, Marcel; Måløy, Knut Jørgen & Toussaint, Renaud (2017). Critical behavior in porous media flow. Europhysics letters.  ISSN 0295-5075.  118(1) . doi:10.1209/0295-5075/118/14004
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