Illuminated: The mechanism behind shear thinning in supercooled liquids
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Illuminated: The mechanism behind shear thinning in supercooled liquids
Illuminated: The mechanism behind shear thinning in supercooled liquids
Researchers at The University of Tokyo's Institute of Industrial Science simulated supercooled liquids subjected to Couette shear flow. The rapid drop in viscosity under shear (shear thinning) was related to the liquids' two-body structural entropy. The study showed that the structural anisotropy along the extensional direction of the shear flow, measured using the two-body entropy, could fully describe sheared dynamics and shear thinning. These results may potentially uncover the full mechanism behind an old problem at the heart of fluid physics, shear thinning.
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