Nonlinear Darcy flow dynamics during ganglia stranding and mobilization in heterogeneous porous domains

Development of ``tortuous'' mean ganglia flux paths during immiscible two-phase flow through a disordered and periodic 2D porous domain is studied. Results reveal that such paths are related to the gradual mobilization of stranded ganglia due to the pore-scale interplay between capillary, gravity, and viscous forces.