Viscoplastic lines: printing a single filament of yield stress material on a surface

J van der Kolk, D Tieman, M Jalaal - Journal of Fluid Mechanics, 2023 - cambridge.org
This study presents the spreading of a single filament of a yield stress (viscoplastic) fluid
extruded onto a pre-wetted solid surface. The filaments spread laterally under surface …

Elasto-visco-plastic flows in benchmark geometries: I. 4 to 1 planar contraction

M Mousavi, Y Dimakopoulos, J Tsamopoulos - Journal of Non-Newtonian …, 2024 - Elsevier
We present predictions for the flow of elastoviscoplastic (EVP) fluids in the 4 to 1 planar
contraction geometry. The Saramito-Herschel-Bulkley fluid model is solved via the finite …

Bursting bubble in an elastoviscoplastic medium

AG Balasubramanian, V Sanjay, M Jalaal… - Journal of Fluid …, 2024 - cambridge.org
A gas bubble sitting at a liquid–gas interface can burst following the rupture of the thin liquid
film separating it from the ambient, owing to the large surface energy of the resultant cavity …

[HTML][HTML] Mini-review of the microscale phenomena during emulsification of highly concentrated emulsions

KF Kapiamba - Colloid and Interface Science Communications, 2022 - Elsevier
Droplet dismembering has been a research topic in several fields. This phenomenon mainly
occurs because of the velocity gradient between the continuous medium and dispersed …

Effects of elastoviscoplastic properties of mucus on airway closure in healthy and pathological conditions

O Erken, B Fazla, M Muradoglu, D Izbassarov… - Physical Review …, 2023 - APS
Airway mucus is a complex material with both viscoelastic and viscoplastic properties that
vary with healthy and pathological conditions of the lung. In this study, the effects of these …

Numerical investigation on the deformation and breakup of an elastoviscoplastic droplet in simple shear flow

H Zhang, W Gong, W Yuan, B Meng - Physics of Fluids, 2024 - pubs.aip.org
In this paper, direct numerical simulations (DNSs) are performed to investigate the
deformation and breakup of an elastoviscoplastic (EVP) droplet in a Newtonian matrix under …

Develo** concentrated emulsion gel hybrids structured by natural food fibres

ZLA Tan, PY Phoon - Food Hydrocolloids, 2023 - Elsevier
The integration of healthy unsaturated fat into plant-based meat alternatives is being
advocated worldwide but remains technically challenging, due to limitations in the textural …

Elasto-viscoplastic spreading: From plastocapillarity to elastocapillarity

HL França, M Jalaal, CM Oishi - Physical Review Research, 2024 - APS
We study the spreading of elasto-viscoplastic (EVP) droplets under surface tension effects.
The non-Newtonian material flows like a viscoelastic liquid above the yield stress and …

Effects of kinematic hardening of mucus polymers in an airway closure model

B Fazla, O Erken, D Izbassarov, F Romanò… - Journal of Non …, 2024 - Elsevier
The formation of a liquid plug inside a human airway, known as airway closure, is
computationally studied by considering the elastoviscoplastic (EVP) properties of the …

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 …