Results 11 to 20 of about 839 (114)

Dilational Rheology of Fluid/Fluid Interfaces: Foundations and Tools [PDF]

open access: yes, 2022
Fluid/fluid interfaces are ubiquitous in science and technology, and hence, the understanding of their properties presents a paramount importance for developing a broad range of soft interface dominated materials, but also for the elucidation of ...
Carbone, Carlo   +4 more
core   +1 more source

Adsorption and viscoelastic properties of chitosan lactate at the liquid-gas interface [PDF]

open access: yes, 2021
The surface tension and dilational rheological properties (viscoelasticity modulus and phase angle) of chitosan lactate solutions at the liquid-gas interface are investigated by the oscillating drop shape method.
Kartashynska, E.   +2 more
core   +2 more sources

Bacteria Cell Hydrophobicity and Interfacial Properties Relationships: A New MEOR Approach [PDF]

open access: yes, 2021
For microbial enhanced oil recovery (MEOR), different mechanisms have been introduced. In some of these papers, the phenomena and mechanisms related to biosurfactants produced by certain microorganisms were discussed, while others studied the direct ...
Ayatollahi, Shahab   +4 more
core   +1 more source

Influence of surfactants on the electrohydrodynamic stretching of water drops in oil [PDF]

open access: yes, 2017
In this paper we present experimental and numerical studies of the electrohydrodynamic stretching of a sub-millimetre-sized salt water drop, immersed in oil with added non-ionic surfactant, and subjected to a suddenly applied electric field of magnitude ...
Ervik, Åsmund   +4 more
core   +2 more sources

Evaluating the Impact of Hydrophobic Silicon Dioxide in the Interfacial Properties of Lung Surfactant Films [PDF]

open access: yes, 2022
CRUE-CSIC (Acuerdos Transformativos 2022)The interaction of hydrophobic silicon dioxide particles (fumed silicon dioxide), as model air pollutants, and Langmuir monolayers of a porcine lung surfactant extract has been studied in order to try to shed ...
Ferrari, Michele   +4 more
core   +2 more sources

Space-time variational material modeling: a new paradigm demonstrated for thermo-mechanically coupled wave propagation, visco-elasticity, elasto-plasticity with hardening, and gradient-enhanced damage

open access: yesComputational Mechanics, 2023
We formulate variational material modeling in a space-time context. The starting point is the description of the space-time cylinder and the definition of a thermodynamically consistent Hamilton functional which accounts for all boundary conditions on ...
P. Junker, T. Wick
semanticscholar   +1 more source

β-Lactoglobulin Adsorption Layers at the Water/Air Surface: 5. Adsorption Isotherm and Equation of State Revisited, Impact of pH [PDF]

open access: yes, 2021
The theoretical description of the adsorption of proteins at liquid/fluid interfaces suffers from the inapplicability of classical formalisms, which soundly calls for the development of more complicated adsorption models. A Frumkin-type thermodynamic 2-
Aksenenko, Eugene V.   +4 more
core   +1 more source

Effect of gravity on visco‐elastic surface waves in solids involving time rate of strain and stress of higher order

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 18, Issue 1, Page 71-76, 1995., 1993
A study is made of the surface waves in a higher order visco‐elastic solid involving time rate of change of strain and stress under the influence of gravity. A fairly general equation for the wave velocity is derived. This equation is used to examine various kinds of surface waves including Rayleigh waves, Love waves and Stoneley waves.
Tapan Kumar Das   +2 more
wiley   +1 more source

First Approach to Measure Interfacial Rheology at High-Pressure Conditions by the Oscillating Drop Technique [PDF]

open access: yes, 2021
An oscillating drop rheometer capable of operating under conditions of high pressure and high temperature has been built. The oscillating drop mechanism was able to support pressures as high as 1300 bar and successfully performed oscillations at constant
Barrabino, Albert   +3 more
core   +1 more source

Statics and Dynamics of Adhesion between Two Soap Bubbles [PDF]

open access: yes, 2007
9 pagesInternational audienceAn original set-up is used to study the adhesive properties of two hemispherical soap bubbles put into contact. The contact angle at the line connecting the three films is extracted by image analysis of the bubbles profiles ...
Besson, Sébastien, Debrégeas, Georges
core   +4 more sources

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