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 …

Chemotactic interactions drive migration of membraneless active droplets

M Dindo, A Bevilacqua, G Soligo… - Journal of the …, 2024 - ACS Publications
In nature, chemotactic interactions are ubiquitous and play a critical role in driving the
collective behavior of living organisms. Reproducing these interactions in vitro is still a …

[HTML][HTML] Non-Newtonian turbulent jets at low-Reynolds number

G Soligo, ME Rosti - International Journal of Multiphase Flow, 2023 - Elsevier
We perform direct numerical simulations of planar jets of non-Newtonian fluids at low
Reynolds number, in typical laminar conditions for a Newtonian fluid. We select three …

Morphology of clean and surfactant-laden droplets in homogeneous isotropic turbulence

I Cannon, G Soligo, ME Rosti - Journal of Fluid Mechanics, 2024 - cambridge.org
We perform direct numerical simulations of surfactant-laden droplets in homogeneous
isotropic turbulence with Taylor Reynolds number is the droplet characteristic size. We …

Elastoviscoplasticity intensifies the unstable flows through a micro-contraction geometry

A Chauhan, C Sasmal - Journal of Non-Newtonian Fluid Mechanics, 2024 - Elsevier
This study focuses on the two-dimensional numerical investigation of complex fluid flows
through a micro-contraction geometry in the cree** flow regime, specifically examining …

[HTML][HTML] The interplay of plasticity and elasticity in elastoviscoplastic flows in wavy channels

MS Abdelgawad, SJ Haward, AQ Shen, ME Rosti - Physics of Fluids, 2024 - pubs.aip.org
Elastoviscoplastic (EVP) fluids, which exhibit both solid-like and liquid-like behaviors
depending on the applied stress, are critical in industrial processes involving complex …

Influence of plasticity on inertialess viscoelastic instabilities in elongational flow regimes

V Dzanic, CS From, E Sauret - Physical Review Fluids, 2024 - APS
Many important practical applications involving porous media, cosmetics, biological
systems, and food processing involve the transport of non-Newtonian fluids, which possess …

Unified view of elastic and elasto-inertial turbulence in channel flows at low and moderate Reynolds numbers

G Foggi Rota, C Amor, S Le Clainche, ME Rosti - Physical Review Fluids, 2024 - APS
The chaotic flow of elastic fluids at low Reynolds number (R e) is typically distinguished into
elasto-inertial and elastic turbulence (EIT/ET). However, the clear separation among these …

Intermittent dynamics identification and prediction from experimental data of discrete-mode semiconductor lasers by reservoir computing

S Feng, Z Zhong, H He, R Liu, J Chen, X Huang… - Optics …, 2024 - opg.optica.org
Analysis of intermittent dynamics from experimental data is essential to promote the
understanding of practical complex nonlinear systems and their underlying physical …

A unified view of elastic and elasto-inertial turbulence in channel flows

GF Rota, C Amor, SL Clainche, ME Rosti - arxiv preprint arxiv:2310.05340, 2023 - arxiv.org
The chaotic flow of elastic fluids at low Reynolds number (Re) is typically distinguished into
elasto-inertial and elastic turbulence (EIT/ET). However, the clear separation among these …