Understanding viscoelastic flow instabilities: Oldroyd-B and beyond
The Oldroyd-B model has been used extensively to predict a host of instabilities in shearing
flows of viscoelastic fluids, often realized experimentally using polymer solutions. The …
flows of viscoelastic fluids, often realized experimentally using polymer solutions. The …
[PDF][PDF] Transport of complex and active fluids in porous media
Complex and active fluids find broad applications in flows through porous materials.
Nontrivial rheology can couple to porous microstructure leading to surprising flow patterns …
Nontrivial rheology can couple to porous microstructure leading to surprising flow patterns …
Perspectives on viscoelastic flow instabilities and elastic turbulence
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 …
encountered in diverse fields from biology to polymer processing. Often the flows of …
Stagnation points control chaotic fluctuations in viscoelastic porous media flow
SJ Haward, CC Hopkins… - Proceedings of the …, 2021 - National Acad Sciences
Viscoelastic flows through porous media become unstable and chaotic beyond critical flow
conditions, impacting widespread industrial and biological processes such as enhanced oil …
conditions, impacting widespread industrial and biological processes such as enhanced oil …
Complex flows of viscoelastic wormlike micelle solutions
JP Rothstein, H Mohammadigoushki - Journal of Non-Newtonian Fluid …, 2020 - Elsevier
Micelles are formed by the self-assembly of surfactants in solutions. Wormlike micelles or
living polymers are a particularly interesting fluids because their long flexible cylindrical …
living polymers are a particularly interesting fluids because their long flexible cylindrical …
Asymmetric flows of complex fluids past confined cylinders: A comprehensive numerical study with experimental validation
Three non-Newtonian constitutive models are employed to investigate how fluid rheological
properties influence the development of laterally asymmetric flows past confined cylinders …
properties influence the development of laterally asymmetric flows past confined cylinders …
Numerical investigation of multistability in the unstable flow of a polymer solution through porous media
The flow of viscoelastic polymeric fluids through porous media is common in industrial
applications such as oil recovery and groundwater remediation. Polymeric stresses can lead …
applications such as oil recovery and groundwater remediation. Polymeric stresses can lead …
Tristability in viscoelastic flow past side-by-side microcylinders
Viscoelastic flows through microscale porous arrays exhibit complex path selection and
switching phenomena. However, understanding this process is limited by a lack of studies …
switching phenomena. However, understanding this process is limited by a lack of studies …
Birefringent strands drive the flow of viscoelastic fluids past obstacles
O Mokhtari, JC Latché, M Quintard… - Journal of Fluid …, 2022 - cambridge.org
The flow of polymer solutions past solid obstacles or through porous media gives rise to rich
physical phenomena over a wide range of spatial and temporal scales. Viscoelasticity, in …
physical phenomena over a wide range of spatial and temporal scales. Viscoelasticity, in …
[HTML][HTML] Elastic instabilities between two cylinders confined in a channel
M Kumar, AM Ardekani - Physics of Fluids, 2021 - pubs.aip.org
Polymeric flow through porous media is relevant in industrial applications, such as
enhanced oil recovery, microbial mining, and groundwater remediation. Biological …
enhanced oil recovery, microbial mining, and groundwater remediation. Biological …