Dripping, jetting and tip streaming

JM Montanero, AM Gañán-Calvo - Reports on Progress in …, 2020 - iopscience.iop.org
Dripping, jetting and tip streaming have been studied up to a certain point separately by both
fluid mechanics and microfluidics communities, the former focusing on fundamental aspects …

Macromolecular relaxation, strain, and extensibility determine elastocapillary thinning and extensional viscosity of polymer solutions

J Dinic, V Sharma - … of the National Academy of Sciences, 2019 - National Acad Sciences
Delayed capillary break-up of viscoelastic filaments presents scientific and technical
challenges relevant for drop formation, dispensing, and adhesion in industrial and biological …

Penetration and ligament formation of viscoelastic droplets impacting on the superhydrophobic mesh

AA Mehrizi, S Lin, L Sun, Y Wang, L Chen - Scientific reports, 2022 - nature.com
Spraying occurs by the impact of water droplets on the superhydrophobic wire meshes by
liquid penetration during the spreading and recoiling. We have shown that adding a small …

The elasticity of polymer melts and solutions in shear and extension flows

AV Subbotin, AY Malkin, VG Kulichikhin - Polymers, 2023 - mdpi.com
This review is devoted to understanding the role of elasticity in the main flow modes of
polymeric viscoelastic liquids—shearing and extension. The flow through short capillaries is …

[HTML][HTML] Electrospun lignin-PVP nanofibers and their ability for structuring oil

M Borrego, JE Martín-Alfonso, MC Sánchez… - International Journal of …, 2021 - Elsevier
This work explores the electrospinnability of low-sulfonate Kraft lignin (LSL)/
polyvinylpyrrolidone (PVP) solutions in N, N-dimethylformamide (DMF) and the ability of the …

Evaporation and rheology chart the processability map for centrifugal force spinning

J Merchiers, CDV Martínez Narváez, C Slykas… - …, 2021 - ACS Publications
We show that poly (ethylene oxide)(PEO) solutions formulated using solvent mixtures of
acetonitrile (AcN) and water can be centrifugally spun into fibers. We find that spinnability …

Power laws dominate shear and extensional rheology response and capillarity-driven pinching dynamics of entangled hydroxyethyl cellulose (HEC) solutions

J Dinic, V Sharma - Macromolecules, 2020 - ACS Publications
Quantitative studies of capillarity-driven pinching and extensional rheology of aqueous
solutions of polysaccharides like hydroxyethyl cellulose (HEC) are beyond the measurable …

Rheology and pinching dynamics of associative polysaccharide solutions

CDV Martínez Narváez, J Dinic, X Lu, C Wang… - …, 2021 - ACS Publications
Associative polysaccharides, decorated by multiple but short, side-chain hydrophobic
stickers (typically 6–20 carbon long) that associate in solution, are used as thickeners for an …

How do polymers stretch in capillary-driven extensional flows?

V Calabrese, AQ Shen, SJ Haward - Macromolecules, 2024 - ACS Publications
Measurements of the capillary-driven thinning and breakup of fluid filaments are widely used
to extract the extensional rheological properties of complex materials. For viscoelastic fluids …

Dynamics of dilute polymer solutions at the final stages of capillary thinning

AV Subbotin, AN Semenov - Macromolecules, 2022 - ACS Publications
The dynamics of capillary breakup of a fluid thread of a dilute polymer solution near the Θ-
point is studied using a molecular approach. Several regimes arising during the …