Determination of diffusivities in binary fluid mixtures with various Lewis numbers as well as positive and negative Soret coefficients by the shadowgraph method

W Wu, PS Schmidt, M Piszko, C Giraudet… - The Journal of …, 2023 - pubs.aip.org
The present work demonstrates the accessibility of the Fick diffusion coefficient D 11 and/or
the thermal diffusivity a of the binary mixtures dicyclohexylmethane/diphenylmethane, n …

The modern structurator: increased performance for calculating the structure function

M Norouzisadeh, M Chraga, G Cerchiari… - The European Physical …, 2021 - Springer
The autocorrelation function is a statistical tool that is often combined with dynamic light
scattering (DLS) techniques to investigate the dynamical behavior of the scattered light …

Fick diffusion coefficients probed by the shadowgraph method considering confinement and advection

PS Schmidt, W Wu, MH Rausch… - The Journal of Chemical …, 2023 - pubs.aip.org
The present work contributes to the development of the shadowgraph method for its routine
application for an accurate determination of the Fick diffusion coefficient D 11 of binary fluid …

Diffusion and thermodiffusion of the ternary system polystyrene+ toluene+ cyclohexane

D Sommermann, W Köhler - The Journal of Chemical Physics, 2023 - pubs.aip.org
We have studied diffusion and thermodiffusion in the ternary system polystyrene+ toluene+
cyclohexane over the entire composition range of the binary solvent toluene+ cyclohexane …

Data quality assessment of Diffusion Coefficient Measurements in ternary mIXtures 4 (DCMIX4) experiment

A Mialdun, MM Bou-Ali, M Braibanti, F Croccolo… - Acta astronautica, 2020 - Elsevier
Thermodiffusion, which leads to a component separation in a mixture due to the thermal
gradient, still does not have an unambiguous microscopic picture. Therefore, experimental …

Study of salt free-diffusion by 1D transport numerical simulations and shadowgraph experiments

CO Oko, AT Ndjaka, R Minhas, A Lassin, M Azaroual… - Journal of …, 2024 - Elsevier
Abstract Applying the Nernst-Planck formalism of 1D diffusive flux equations for ionic
species of salts dissolved in water, Pitzer formalism for activity coefficients and PHREEQC …

Mass diffusion and thermodiffusion in multicomponent fluid mixtures

JV Sengers - International Journal of Thermophysics, 2022 - Springer
Fick diffusion and thermodiffusion coefficients of multicomponent mixtures are known to
depend on the frame of reference adopted for the mass fluxes. This paper further elucidates …

Mass diffusion and Soret coefficient measurements of triethylene glycol/water binary mixtures by dynamic shadowgraphy

AT Ndjaka, L García-Fernández, DEB Bouyou… - The European Physical …, 2022 - Springer
The investigation of the transport properties of binary fluid mixtures remains a topic of
interest in relation to the more challenging studies of ternary mixtures. In fact, the study of the …

Nonlinearities in shadowgraphy experiments on non-equilibrium fluctuations in polymer solutions

D Zapf, J Kantelhardt, W Köhler - The European Physical Journal E, 2022 - Springer
Giant thermal and solutal non-equilibrium fluctuations are observed in shadowgraphy
experiments on liquid mixtures subjected to a temperature gradient. For large temperature …

Mass and Thermodiffusion in Non-equilibrium Fluctuating Hydrodynamics

JV Sengers - International Journal of Thermophysics, 2024 - Springer
Mass and thermodiffusion are transport phenomena in fluid mixtures important in many
applications. In this paper it is argued that these transport phenomena have even become …