Elasto-inertial turbulence

Y Dubief, VE Terrapon, B Hof - Annual Review of Fluid …, 2023 - annualreviews.org
The dissolution of minute concentration of polymers in wall-bounded flows is well-known for
its unparalleled ability to reduce turbulent friction drag. Another phenomenon, elasto-inertial …

Predicting bedforms and primary current stratification in cohesive mixtures of mud and sand

JH Baas, JL Best, J Peakall - Journal of the Geological Society, 2016 - lyellcollection.org
The use of sedimentary structures as indicators of flow and sediment morphodynamics in
ancient sediments lies at the very heart of sedimentology, and allows reconstruction of …

[HTML][HTML] Drag reduction and the dynamics of turbulence in simple and complex fluids

MD Graham - Physics of Fluids, 2014 - pubs.aip.org
Addition of a small amount of very large polymer molecules or micelle-forming surfactants to
a liquid can dramatically reduce the energy dissipation it exhibits in the turbulent flow …

On the mechanism of elasto-inertial turbulence

Y Dubief, VE Terrapon, J Soria - Physics of Fluids, 2013 - pubs.aip.org
Elasto-inertial turbulence (EIT) is a new state of turbulence found in inertial flows with
polymer additives. The dynamics of turbulence generated and controlled by such additives …

First coherent structure in elasto-inertial turbulence

Y Dubief, J Page, RR Kerswell, VE Terrapon… - Physical Review …, 2022 - APS
Two-dimensional channel flow simulations of FENE-P (finitely extensible nonlinear elastic-
Peterlin) fluid in the elasto-inertial turbulence (EIT) regime reveal distinct regimes ranging …

Exact coherent states and connections to turbulent dynamics in minimal channel flow

JS Park, MD Graham - Journal of Fluid Mechanics, 2015 - cambridge.org
Several new families of nonlinear three-dimensional travelling wave solutions to the Navier–
Stokes equation, also known as exact coherent states, are computed for Newtonian plane …

Polymer diffusive instability leading to elastic turbulence in plane Couette flow

M Beneitez, J Page, RR Kerswell - Physical Review Fluids, 2023 - APS
Elastic turbulence is a chaotic flow state observed in dilute polymer solutions in the absence
of inertia. It was discovered experimentally in circular geometries and has long been thought …

Intermittent dynamics of turbulence hibernation in Newtonian and viscoelastic minimal channel flows

L Xi, MD Graham - Journal of fluid mechanics, 2012 - cambridge.org
Maximum drag reduction (MDR), the asymptotic upper limit of reduction in turbulent friction
drag by polymer additives, is the most important unsolved problem in viscoelastic …

On the role of pressure in elasto-inertial turbulence

VE Terrapon, Y Dubief, J Soria - Journal of Turbulence, 2015 - Taylor & Francis
The dynamics of elasto-inertial turbulence is investigated numerically from the perspective of
the coupling between polymer dynamics and flow structures. In particular, direct numerical …

Low-drag events in transitional wall-bounded turbulence

RD Whalley, JS Park, A Kushwaha, DJC Dennis… - Physical Review …, 2017 - APS
Intermittency of low-drag pointwise wall shear stress measurements within Newtonian
turbulent channel flow at transitional Reynolds numbers (friction Reynolds numbers 70–130) …