• Aucun résultat trouvé

Foamability of complex fluids : dynamic of bubble formation in yield stress fluids using confined geometries

N/A
N/A
Protected

Academic year: 2021

Partager "Foamability of complex fluids : dynamic of bubble formation in yield stress fluids using confined geometries"

Copied!
245
0
0

Texte intégral

Loading

Figure

Figure 1.3 – Liquid soap film experiment, from [55].
Table 1.1 – Tabular summarizing the behavior of the most common type of fluids, with: τ y (Pa) the yield-stress, when the applied stress is below the yield-stress the material behave like an elastic solid, and like fluid otherwise; k (Pa.s n ) the consiste
Figure 1.11 – Stress τ as a function of strain rate ˙γ for carbopol, and emulsion. Red dashed lines stand for the Hershel-Bulkley model fit.
Figure 1.12 – N 1 − N 2 as a function of the applied shear rate for an emulsion and a carbopol gel.
+7

Références

Documents relatifs

operated by steam locomotives, which were most probably the sources for the ob- served high OC f concentrations during this time. The decrease of OC f concentrations is explained by

En plus du gruyère qui se fabrique toute l'année dans cette fromagerie fribourgeoise, Walter Reist et son fils Pierre ont lancé la fabrication de yogourts qui connaissent un

The results of tests on samples obtained commercially had indicated that the increased subsoil stresses would be in the range slightly above the

Red blood cells from healthy individuals, heated or not, and red blood cells from patients with sickle cell disease or hereditary spherocytosis where characterized at a single

An increase of the particle volume fraction φ plays here two contradictory roles: it hinders settling, which is accounted for by the same hindrance function f (φ) as in Newto-

The accuracy of the estimates obtained in the framework of the theoretical approach presented above for the overall properties of the yield stress suspension depends on the

increase of both the plastic and the elastic deformation components with the square of the shear stress, reveal the fundamental characteristics of a simple generic model

Licenciement avec effet immédiat considéré par les tribunaux comme injustifié malgré des propos grossiers et sexistes tenus lors d’un pot de départ par un