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 …

[HTML][HTML] Turbulent drag reduction by polymer additives: Fundamentals and recent advances

L Xi - Physics of Fluids, 2019 - pubs.aip.org
A small amount of polymer additives can cause substantial reduction in the energy
dissipation and friction loss of turbulent flow. The problem of polymer-induced drag …

Elasto-inertial turbulence

D Samanta, Y Dubief, M Holzner… - Proceedings of the …, 2013 - National Acad Sciences
Turbulence is ubiquitous in nature, yet even for the case of ordinary Newtonian fluids like
water, our understanding of this phenomenon is limited. Many liquids of practical importance …

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 …

Two-dimensional dynamics of elasto-inertial turbulence and its role in polymer drag reduction

S Sid, VE Terrapon, Y Dubief - Physical Review Fluids, 2018 - APS
The goal of the present study is threefold:(i) to demonstrate the two-dimensional nature of
the elasto-inertial instability in elasto-inertial turbulence (EIT),(ii) to identify the role of the …

The Oldroyd-B fluid in elastic instabilities, turbulence and particle suspensions

ESG Shaqfeh, B Khomami - Journal of Non-Newtonian Fluid Mechanics, 2021 - Elsevier
The Oldroyd-B fluid has become the starting point for almost all complex flow calculations
and analysis involving the behavior of dilute polymer solutions. The reasons for this are …

Effects of polymer stresses on eddy structures in drag-reduced turbulent channel flow

K Kim, CF Li, R Sureshkumar… - Journal of Fluid …, 2007 - cambridge.org
The effects of polymer stresses on near-wall turbulent structures are examined by using
direct numerical simulation of fully developed turbulent channel flows with and without …

Dynamics of viscoelastic pipe flow at low Reynolds numbers in the maximum drag reduction limit

JM Lopez, GH Choueiri, B Hof - Journal of Fluid Mechanics, 2019 - cambridge.org
Polymer additives can substantially reduce the drag of turbulent flows and the upper limit,
the so-called state of 'maximum drag reduction'(MDR), is to a good approximation …