The international collaborative team of Tokyo University of Agriculture and Technology (TUAT) in Japan, Indian Institute of Technology Ropar (IIT Ropar) in India, and Osaka University in Japan has discovered for the first time a topological change of viscous fingering (one of classical interfacial hydrodynamics), which is driven by “a partially miscibility,” where the two liquids do not mix completely with finite solubility. This topological change originates from a phase separation and the spontaneous motion driven by it. It is a phenomenon that cannot be seen with completely mixed (fully miscible) system with infinite solubility or immiscible system with no solubility.
Click here for original story, New study may revise a 60-year-old theory about flowing viscous liquids
Source: Phys.org