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physics.flu-dyn2021
Perspectives on viscoelastic flow instabilities and elastic turbulence
Sujit S. Datta, Arezoo M. Ardekani, Paulo E. Arratia +20
Viscoelastic fluids are a common subclass of rheologically complex materials that are encountered in diverse fields from biology to polymer processing. Often the flows of viscoelas…
physics.flu-dyn2021★ 2 cited
Non-modal elastic instability and elastic waves in weakly perturbed channel flow
Ron Shnapp, Victor Steinberg
In this paper, we present experimental results and reveal that strong perturbations are not necessary for elastic instability to occur in straight-channel, inertialess, visco-elast…