Stéphane Rodts
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View article: Magnetic Resonance Imaging of drying bitumen emulsions
Magnetic Resonance Imaging of drying bitumen emulsions Open
From Magnetic Resonance Imaging (MRI) measurements allowing to distinguish separately the density distribution of the two phases of the system, we show that bitumen emulsions essentially dry homogeneously, with nevertheless a slight concen…
View article: Wetting enhanced by water adsorption in hygroscopic plantlike materials
Wetting enhanced by water adsorption in hygroscopic plantlike materials Open
International audience
View article: Investigation of the effect of aging on wood hygroscopicity by 2D <sup>1</sup>H NMR relaxometry
Investigation of the effect of aging on wood hygroscopicity by 2D <sup>1</sup>H NMR relaxometry Open
Two-dimensional proton nuclear magnetic resonance (2D 1 H NMR) relaxometry is increasingly used in the field of wood sciences due to its great potential in detecting and quantifying water states at the level of wood constituents. More prec…
View article: Controlled imbibition in a porous medium from a soft wet material (poultice)
Controlled imbibition in a porous medium from a soft wet material (poultice) Open
2D Magnetic Resonance images showing water imbibition from a shrinking paste to a (larger pores) bead packing at different times.
View article: Particle-Size-Exclusion Clogging Regimes in Porous Media
Particle-Size-Exclusion Clogging Regimes in Porous Media Open
From observations of the progressive deposition of noncolloidal particles by geometrical exclusion effects inside a 3D model porous medium, we get a complete dynamic view of particle deposits over a full range of regimes from transport ove…
View article: Strengthening and drying rate of a drying emulsion layer
Strengthening and drying rate of a drying emulsion layer Open
Silicone in water emulsion at different stages of drying (decreasing water concentration) viewed from the side (top) and from above (bottom) in a Petri dish, showing the formation of oil and surfactant layers below and around the free surf…
View article: Drying regimes in homogeneous porous media from macro- to nanoscale
Drying regimes in homogeneous porous media from macro- to nanoscale Open
International audience
View article: NMR determination of sorption isotherms in earlywood and latewood of Douglas fir. Identification of bound water components related to their local environment
NMR determination of sorption isotherms in earlywood and latewood of Douglas fir. Identification of bound water components related to their local environment Open
Earlywood (EW) and latewood (LW) have different hygromechanical behaviors, if subjected to relative humidity (RH) variations. To understand this effect better, the adsorption mechanisms of EW and LW of Douglas fir were studied by 2D 1 H NM…
View article: Magnetic resonance imaging measurements evidence weak dispersion in homogeneous porous media
Magnetic resonance imaging measurements evidence weak dispersion in homogeneous porous media Open
We measure the dispersion coefficient through homogeneous bead or sand packings at different flow rates from direct magnetic resonance imaging (MRI) visualizations of the transport characteristics of a pulse of paramagnetic nanoparticles. …
View article: Water retention against drying with soft-particle suspensions in porous media
Water retention against drying with soft-particle suspensions in porous media Open
Polymers suspended in granular packings have a significant impact on water retention, which is important for soil irrigation and the curing of building materials. Whereas the drying rate remains constant during a long period for pure water…
View article: Water transfer and crack regimes in nanocolloidal gels
Water transfer and crack regimes in nanocolloidal gels Open
Direct observations of the surface and shape of model nanocolloidal gels associated with measurements of the spatial distribution of water content during drying show that air starts to significantly penetrate the sample when the material s…