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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…
Kelvin-Helmholtz and Buckling Instabilities for a Viscoelastic Liquid
Bavand Keshavarz, Gareth McKinley
In this fluid dynamics video prepared for the APS-DFD Gallery of Fluid Motion we study the Kelvin-Helmholtz instability for both Newtonian and viscoelastic jets. The nonlinear dyna…
Nonlinear Dynamics of Coiling in Viscoelastic Jets
Trushant Majmudar, Matthieu Varagnat, William Hartt +1
Instabilities in free surface continuous jets of non-Newtonian fluids, although relevant for many industrial processes, remain less well understood in terms of fundamental fluid dy…
The folding motion of an axisymmetric jet of wormlike-micelles solution
Matthieu Varagnat, Trushant Majmudar, William Hartt +1
The problem of buckling and coiling of jets of viscous, Newtonian liquids has received a substantial level of attention over the past two decades, both from experimental and theore…