Relaminarization of elastic turbulence

MV Kumar, A Varshney, D Li, V Steinberg - Physical Review Fluids, 2022 - APS
… solution exhibit elastic instabilities and elastic turbulence (ET) … flows only due to the elastic
stress engendered at negligible … mechanism of DR and relaminarization at vanishing inertia, …

Elastic turbulence: an experimental view on inertialess random flow

V Steinberg - Annual Review of Fluid Mechanics, 2021 - annualreviews.org
… called elastic turbulence (ET). ET is attributed to polymer stretching, which generates elastic
… Its properties are analogous to those observed in hydrodynamic turbulence, although the …

Relaminarization of spanwise-rotating viscoelastic plane Couette flow via a transition sequence from a drag-reduced inertial to a drag-enhanced elasto-inertial …

Y Zhu, J Song, F Lin, N Liu, X Lu… - Journal of Fluid …, 2022 - cambridge.org
… energy spectrum in the EIT regime has a −14/3 scaling, which is distinctly different from
the Kolmogorov scaling of −5/3 for inertial turbulence but is close to the −3.5 scaling of elastic

New direction and perspectives in elastic instability and turbulence in various viscoelastic flow geometries without inertia

V Steinberg - Low Temperature Physics, 2022 - pubs.aip.org
… Since the established and testified mechanism of elastic instability of viscoelastic flows with
… instability, elastic turbulence, elastic waves, and drag reduction down to relaminarization that …

On the mechanism of elasto-inertial turbulence

Y Dubief, VE Terrapon, J Soria - Physics of Fluids, 2013 - pubs.aip.org
… EIT is possibly related to elastic turbulence (ET), a turbulent … nonlinear mixing supported
by elastic turbulence, a state of … streamwise direction yielded full relaminarization of the flow. …

Laminar-to-turbulence and relaminarization zones detection by simulation of low Reynolds number turbulent blood flow in large stenosed arteries

R Tabe, F Ghalichi, S Hossainpour… - Bio-medical …, 2016 - content.iospress.com
turbulent model (k–ω SST Transitional Flows) was utilized from starting of turbulence to
relaminarization … was applied again with onset of the relaminarization district. Stenotic flows, with …

Repicturing viscoelastic drag-reducing turbulence by introducing dynamics of elasto-inertial turbulence

WH Zhang, HN Zhang, ZM Wang, YK Li… - Journal of Fluid …, 2022 - cambridge.org
… The existence of relaminarization for moderate Wi (≈ 6–15 in the current … the elastic effect
on the viscoelastic turbulence: (1) at small Wi (LDR for moderate Re or before relaminarization

A reverse transition route from inertial to elasticity-dominated turbulence in viscoelastic Taylor–Couette flow

J Song, ZH Wan, N Liu, XY Lu… - Journal of Fluid …, 2021 - cambridge.org
… inertial turbulence is … of elastic turbulence. The flow states involved are distinctly different
to those observed in the reverse transition route from inertial turbulence via a relaminarization

Re-picturing viscoelastic drag-reducing turbulence by introducing dynamics of elasto-inertial turbulence

Z Wen-Hua, Z Hong-Na, L Yu-Ke… - arXiv preprint arXiv …, 2021 - arxiv.org
… the increase of elasticity, whereas, at moderate Re, EIT-related SSP can get involved and
survive from being relaminarized. This somehow explains the reason why relaminarization is …

[HTML][HTML] Role of elasto-inertial turbulence in viscoelastic drag-reducing turbulence

WH Zhang, HN Zhang, YK Li, B Yu, FC Li - Physics of Fluids, 2021 - pubs.aip.org
… inertial turbulence (IT), drag-reducing turbulence (DRT), elastic turbulence, and elasto-inertial
turbulence (… and enters a laminar regime [stage I: relaminarization, at Re = 1250 and Wi in …