Boundary layer of elastic turbulence

S Belan, A Chernykh, V Lebedev - Journal of Fluid Mechanics, 2018 - cambridge.org
We investigate theoretically the near-wall region in elastic turbulence of a dilute polymer
solution in the limit of large Weissenberg number. As has been established experimentally …

Spectra of turbulence in dilute polymer solutions

A Fouxon, V Lebedev - Physics of Fluids, 2003 - pubs.aip.org
Turbulence in dilute polymer solutions when polymers are strongly stretched by the flow is
investigated. We establish power-law spectra of velocity, that are not associated with a flux …

Small-scale statistics of viscoelastic turbulence

S Berti, A Bistagnino, G Boffetta, A Celani… - Europhysics …, 2006 - iopscience.iop.org
The small-scale statistics of homogeneous isotropic turbulence of dilute polymer solutions is
investigated by means of direct numerical simulations of a simplified viscoelastic fluid model …

Polymer dynamics in wall turbulent flow

P Ilg, E De Angelis, IV Karlin, CM Casciola… - Europhysics …, 2002 - iopscience.iop.org
The dynamics of dilute polymer solutions is investigated in wall turbulent flow. A realistic
turbulent flow field is obtained by a fully coupled direct numerical simulation of a drag …

Polymer stretching in the inertial range of turbulence

A Ahmad, D Vincenzi - Physical Review E, 2016 - APS
We study the deformation of flexible polymers whose contour length lies in the inertial range
of a homogeneous and isotropic turbulent flow. By using the elastic dumbbell model and a …

Effect of Weissenberg number on polymer-laden turbulence

S ur Rehman, J Lee, C Lee - Physical Review Fluids, 2022 - APS
Direct numerical simulation of polymer-laden turbulent flow is performed for the investigation
of the two-way interaction. Lagrangian dynamic simulation is adopted for a finitely extensible …

Bulk turbulence in dilute polymer solutions

NT Ouellette, H Xu, E Bodenschatz - Journal of fluid mechanics, 2009 - cambridge.org
By tracking small particles in the bulk of an intensely turbulent laboratory flow, we study the
effect of long-chain polymers on the Eulerian structure functions. We find that the structure …

Polymer stress tensor in turbulent shear flows

VS L'vov, A Pomyalov, I Procaccia, V Tiberkevich - Physical Review E …, 2005 - APS
The interaction of polymers with turbulent shear flows is examined. We focus on the structure
of the elastic stress tensor, which is proportional to the polymer conformation tensor. We …

Turbulent structures of non-Newtonian solutions containing rigid polymers

M Mohammadtabar, RS Sanders, S Ghaemi - Physics of Fluids, 2017 - pubs.aip.org
The turbulent structure of a channel flow of Xanthan Gum (XG) polymer solution is
experimentally investigated and compared with water flow at a Reynolds number of Re …

Elastic turbulence in a curvilinear channel flow

Y Jun, V Steinberg - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
We report detailed quantitative studies of elastic turbulence in a curvilinear channel flow in a
dilute polymer solution of high molecular weight polyacrylamide in a high viscosity water …