2 papers
physics.flu-dyn2023
Stress and stretching regulate dispersion in viscoelastic porous media flows
Manish Kumar, Derek M. Walkama, Arezoo M. Ardekani +1
In this work, we study the role of viscoelastic instability in the mechanical dispersion of fluid flow through porous media at high Peclet numbers. Using microfluidic experiments a…
physics.flu-dyn2019
Disorder suppresses chaos in viscoelastic flows
Derek M. Walkama, Nicolas Waisbord, Jeffrey S. Guasto
Viscoelastic flows transition from steady to time-dependent, chaotic dynamics under critical flow conditions, but the implications of geometric disorder for flow stability in these…