Very-low-Re chaotic motions of viscoelastic fluid and its unique applications in microfluidic devices: A review

XB Li, FC Li, WH Cai, HN Zhang, JC Yang - Experimental thermal and fluid …, 2012 - Elsevier
This paper presents a comprehensive review on the peculiar phenomena of elasticity-
induced instabilities, transition to turbulence and elastic turbulence in very low Reynolds …

[LIVRE][B] Chemical and biological processes in fluid flows: a dynamical systems approach

Z n Neufeld - 2010 - books.google.com
Many chemical and biological processes take place in fluid environments in constant
motion? chemical reactions in the atmosphere, biological population dynamics in the ocean …

Dispersed fibers change the classical energy budget of turbulence via nonlocal transfer

S Olivieri, L Brandt, ME Rosti, A Mazzino - Physical Review Letters, 2020 - APS
The backreaction of dispersed rigid fibers to turbulence is analyzed by means of a state-of-
the-art fully coupled immersed boundary method. The following universal scenario is …

Large is different: nonmonotonic behavior of elastic range scaling in polymeric turbulence at large Reynolds and Deborah numbers

ME Rosti, P Perlekar, D Mitra - Science Advances, 2023 - science.org
We use direct numerical simulations to study homogeneous and isotropic turbulent flows of
dilute polymer solutions at high Reynolds and Deborah numbers. We find that for small …

Scaling relations in elastic turbulence

V Steinberg - Physical review letters, 2019 - APS
We report the scaling relations between the exponents of the power-law decays of kinetic
and elastic energies, pressure, as well as torque fluctuations in elastic turbulence (ET). The …

Intermittency in the not-so-smooth elastic turbulence

RK Singh, P Perlekar, D Mitra, ME Rosti - Nature Communications, 2024 - nature.com
Elastic turbulence is the chaotic fluid motion resulting from elastic instabilities due to the
addition of polymers in small concentrations at very small Reynolds (Re) numbers. Our …

Drag enhancement and drag reduction in viscoelastic flow

A Varshney, V Steinberg - Physical Review Fluids, 2018 - APS
Cree** flow of polymeric fluid without inertia exhibits elastic instabilities and elastic
turbulence accompanied by drag enhancement due to elastic stress produced by flow …

Energy spectra in elasto-inertial turbulence

PC Valente, CB da Silva, FT Pinho - Physics of Fluids, 2016 - pubs.aip.org
Direct numerical simulations of statistically steady homogeneous isotropic turbulence in
viscoelastic fluids described by the FENE-P model are presented. Emphasis is given to large …

DNS study of decaying homogeneous isotropic turbulence with polymer additives

WH Cai, FC Li, HN Zhang - Journal of Fluid Mechanics, 2010 - cambridge.org
In order to investigate the turbulent drag reduction phenomenon and understand its
mechanism, direct numerical simulation (DNS) was carried out on decaying homogeneous …

Hybrid Eulerian–Lagrangian simulations for polymer–turbulence interactions

T Watanabe, T Gotoh - Journal of Fluid Mechanics, 2013 - cambridge.org
The effects of polymer additives on decaying isotropic turbulence are numerically
investigated using a hybrid approach consisting of Brownian dynamics simulations for an …