Chaotic instabilities driven by polymer elasticity
Streamlines of unstable polymer solution flow within a pore. First demonstration that polymer solutions can drive chaotic flow instabilities at low Reynolds numbers within 3D porous media. Field of view , playback 3x real time. Science Advances.
Polymer additives drive chaotic mixing of a passive solute (pink and yellow), decreasing the mixing time and improving dispersion. Proceedings of the National Academy of Sciences.
Polymer additives drive chaotic transport of reactive solutes (pink and grey), increasing the conversion into products (cyan). First demonstration that elastic instabilities can enhance reaction kinetics. Proceedings of the National Academy of Sciences.
Emergent activity driven by liquid crystal phase separation
Streamlines of unstable polymer solution flow within a pore. First demonstration that polymer solutions can drive chaotic flow instabilities at low Reynolds numbers within 3D porous media. Proceedings of the National Academy of Sciences.
Particle image velocimetry shows that emergent activity in condensate networks can drive chaotic flows within network “pores”.
When confined to microdroplets, filaments zipper and coil into helices, driven by adhesive interactions.