First coherent structure in elasto-inertial turbulence

Yves Dubief; Jacob Page; Rich Kerswell; Vincent Terrapon; Victor Steinberg

doi:10.1103/PhysRevFluids.7.073301

First coherent structure in elasto-inertial turbulence

Yves Dubief, Jacob Page, Rich Kerswell, Vincent Terrapon, Victor Steinberg

School of Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

Two dimensional channel flow simulations of FENE-P fluid in the elasto-inertial turbulence regime reveal distinct regimes ranging from chaos to a steady travelling wave which takes the form of an arrowhead structure. This coherent structure provides new insights in the polymer/flow interactions driving EIT, which are observed in a set of controlled numerical experiments and the study of transfer between elastic and turbulent kinetic energy.

Original language	English
Article number	073301
Number of pages	14
Journal	Physical Review Fluids
Volume	7
DOIs	https://doi.org/10.1103/PhysRevFluids.7.073301
Publication status	Published - 1 Jul 2022

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10.1103/PhysRevFluids.7.073301

First_coherent_structure_EIT_Revised_Version_IIAccepted author manuscript, 1.23 MB

https://arxiv.org/abs/2006.06770

Exact Coherent Structures in Viscoelastic Turbulence
Page, J. (Principal Investigator)
EPSRC
26/07/21 → 25/07/24
Project: Research

Cite this

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title = "First coherent structure in elasto-inertial turbulence",

abstract = "Two dimensional channel flow simulations of FENE-P fluid in the elasto-inertial turbulence regime reveal distinct regimes ranging from chaos to a steady travelling wave which takes the form of an arrowhead structure. This coherent structure provides new insights in the polymer/flow interactions driving EIT, which are observed in a set of controlled numerical experiments and the study of transfer between elastic and turbulent kinetic energy. ",

author = "Yves Dubief and Jacob Page and Rich Kerswell and Vincent Terrapon and Victor Steinberg",

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AU - Terrapon, Vincent

AU - Steinberg, Victor

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AB - Two dimensional channel flow simulations of FENE-P fluid in the elasto-inertial turbulence regime reveal distinct regimes ranging from chaos to a steady travelling wave which takes the form of an arrowhead structure. This coherent structure provides new insights in the polymer/flow interactions driving EIT, which are observed in a set of controlled numerical experiments and the study of transfer between elastic and turbulent kinetic energy.

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DO - 10.1103/PhysRevFluids.7.073301

M3 - Article

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JO - Physical Review Fluids

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ER -

First coherent structure in elasto-inertial turbulence

Abstract

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Exact Coherent Structures in Viscoelastic Turbulence

Cite this