Complex flows of viscoelastic wormlike micelle solutions

JP Rothstein, H Mohammadigoushki - Journal of Non-Newtonian Fluid …, 2020 - Elsevier
Micelles are formed by the self-assembly of surfactants in solutions. Wormlike micelles or
living polymers are a particularly interesting fluids because their long flexible cylindrical …

Dynamics and extensional rheology of polymer–surfactant association complexes

CDVM Narváez, T Mazur, V Sharma - Soft Matter, 2021 - pubs.rsc.org
Understanding and characterizing the influence of polymers and surfactants on rheology,
application, and processing is critical for designing complex fluid formulations for enhanced …

Temperature-controlled dripping-onto-substrate (DoS) extensional rheometry of polymer micelle solutions

DY Zhang, MA Calabrese - Soft Matter, 2022 - pubs.rsc.org
Capillary-driven thinning of a liquid bridge is commonly used to measure the extensional
rheology of macromolecular solutions for assessment of material sprayability, printability …

[HTML][HTML] Extensional rheology of elastoviscous aqueous PEO/PEG or DMS Boger fluids and weakly elastic alternatives for investigating viscoelastic flows and …

A Kubinski, F Albreiki, J Dinic, P Rathore… - Journal of Non …, 2024 - Elsevier
Boger fluids that exhibit a rate-independent shear viscosity (typically∼ 1 Pa∙ s= 1000x water
viscosity) and elasticity measurable using torsional rheometers (modulus, relaxation time, or …

Linear versus branched: flow of a wormlike micellar fluid past a falling sphere

S Wu, H Mohammadigoushki - Soft Matter, 2021 - pubs.rsc.org
We report experiments on flow of wormlike micellar solutions past a falling sphere. By
increasing the salt-to-surfactant concentration ratio, and beyond a viscosity peak, wormlike …

Investigations into the complete spreading dynamics of a viscoelastic drop on a spherical substrate

S Shyam, HS Gaikwad, SA Ghalib Ahmed… - Langmuir, 2020 - ACS Publications
We study the spreading dynamics of a sphere-shaped elastic non-Newtonian liquid drop on
a spherical substrate in the capillary-driven regime. We use the simplified Phan–Thien …

[PDF][PDF] Rheology of unentangled polymer solutions depends on three macromolecular properties: Flexibility, extensibility, and segmental dissymmetry

J Dinic, CDVM Narváez, V Sharma - Macromolecular Engineering, 2022 - researchgate.net
Polymer rheology describes the response of macromolecular solutions and melts to applied
deformation and flow. One of the longstanding and challenging goals of macromolecular …

Effects of flow history on extensional rheological properties of wormlike micelle solution

IH Jang, WJ Lee, D Jin, JM Kim - RSC advances, 2022 - pubs.rsc.org
A wormlike micelle (WLM) solution is a complex fluid that forms when the surfactant
concentration is high. It has rheological properties similar to those of polymer solutions …

The effect of end-plate wetting and unpinned contact lines on the filament thinning of strain hardening fluids

R Neelakantan, E Karatay, E Cocker, P Ramesh… - Physics of …, 2020 - pubs.aip.org
The Filament Extension Atomizer™(FEA) is a unique technology designed for highly viscous
or strain-hardening fluids that are otherwise difficult to atomize. The fluid is processed as a …

[PDF][PDF] Polymers in extension: from crystallization to filament breakup

J Pepe - 2024 - research.tue.nl
Polymers are widely used in various applications and their behavior and final properties
strongly depend on the processing conditions such as temperature, presence of pressure …