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10 papers · 2 filters
Multiscale stress dynamics in sheared liquid foams revealed by tomo-rheoscopy
Florian Schott, Benjamin Dollet, Stéphane Santucci +5
Rheology aims at quantifying the response of materials to mechanical forcing. However, standard rheometers provide only global macroscopic quantities, such as viscoelastic moduli.…
Wall slip and bulk flow heterogeneity in a sludge under shear
Sebastien Castel, Arnaud Poulesquen, Sebastien Manneville
We investigate the shear flow of a sludge mimicking slurries produced by the nuclear industry and constituted of a dispersion of non-Brownian particles into an attractive colloidal…
Understanding Polymer-Colloid Gels: A Solvent Perspective Using Low-Field NMR
Léo Hervéou, Gauthier Legrand, Thibaut Divoux +1
The present work emphasizes the relevance of low-field NMR relaxometry to investigate colloid-polymer hydrogels by probing water dynamics across a wide range of formulations betwee…
Rheological properties of acid-induced carboxymethylcellulose hydrogels
Gauthier Legrand, Guilhem P. Baeza, Sébastien Manneville +1
Cellulose ethers represent a class of water-soluble polymers widely utilized across diverse sectors, spanning from healthcare to the construction industry. This experimental study…
Amoeba Monte Carlo algorithms for random trees with controlled branching activity: efficient trial move generation and universal dynamics
Pieter H. W. van der Hoek, Angelo Rosa, Ralf Everaers
The reptation Monte Carlo algorithm is a simple, physically motivated and efficient method for equilibrating semi-dilute solutions of linear polymers. Here we propose two simple ge…
Nonlinear conductivity of aqueous electrolytes: beyond the first Wien effect
Hélène Berthoumieux, Vincent Démery, A. C. Maggs
The conductivity of strong electrolytes increases under high electric fields, a nonlinear response known as the first Wien effect. Here, using molecular dynamics simulations we sho…