References of "Dorbolo, Stéphane"
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See detailLeidenfrost explosions
moreau, florian; colinet, pierre; Dorbolo, Stéphane ULg

Article for general public (2012)

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See detailSymmetry breaking in a few-body system with magnetocapillary interactions
Vandewalle, Nicolas ULg; Clermont, Lionel; Terwagne, Denis et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2012), 85

We have experimentally investigated the interactions between floating magnetic spheres which are submitted to a vertical magnetic field, ensuring a tunable repulsion, while capillary forces induce ... [more ▼]

We have experimentally investigated the interactions between floating magnetic spheres which are submitted to a vertical magnetic field, ensuring a tunable repulsion, while capillary forces induce attraction. We emphasize the complex arrangements of floating bodies. The equilibrium distance between particles exhibits hysteresis when the applied magnetic field is modified. Irreversible processes are evidenced. Symmetry breaking is also found for three identical floating bodies when the strength of the magnetic repulsion is tuned. We propose a Dejarguin-Landau-Verwey-Overbeek (DLVO)–like potential, i.e., an interaction potential with a primary and a secondary minimum, capturing the main physical features of the magnetocapillary interaction, which is relevant for self-assembly. [less ▲]

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See detailHow does an ice block assembly melt?
Dorbolo, Stéphane ULg; Ludewig, François ULg; Vandewalle, Nicolas ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2012)

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See detailManipulation of Droplets onto a Planar Interface
Gilet, Tristan ULg; Terwagne, Denis ULg; Vandewalle, Nicolas ULg et al

in miller, reinhard; liggieri, libero (Eds.) Progress in Colloid and Interface Science, 2 (2011)

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See detailHysteretic behavior in three-dimensional soap film rearrangements
Vandewalle, Nicolas ULg; noirhomme, matial; Schockmel, Julien ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2011), 83

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See detailInfluence of a reduced gravity on the volume fraction of a monolayer of spherical grains
Dorbolo, Stéphane ULg; scheller, tom; Ludewig, François ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2011), 84

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See detailImpact of liquid droplets on granular media
Delon, Giles ULg; Terwagne, Denis ULg; Dorbolo, Stéphane ULg et al

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2011)

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See detailSingle thermal plume in locally heated vertical soap films
Adami, Nicolas ULg; Dorbolo, Stéphane ULg; Caps, Hervé ULg

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2011), 84

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See detailWave turbulence on the surface of a ferrofluid in a horizontal magnetic field
Dorbolo, Stéphane ULg; Falcon, Eric

in Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics (2011), 82

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See detailGranular gas in periodic lattice
Dorbolo, Stéphane ULg; brandenbourger, martin; damanet, françois et al

in European Journal of Physics (2011), 32

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See detailBouncing bubble on a liquid/gas interface resting or vibrating
Zawala, jan; Dorbolo, Stéphane ULg; Terwagne, Denis ULg et al

in Soft Matter (2011)

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See detailFaraday instability on a network
Delon, Giles ULg; Terwagne, Denis ULg; Adami, Nicolas ULg et al

in Chaos (2010)

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See detailA fountain of droplets
Terwagne, Denis ULg; Delon, Giles ULg; Adami, Nicolas ULg et al

Poster (2010, November 21)

A vessel is plunged upside down into a pool of 50 cSt silicone oil. An air bell is then created. This bell is vertically shaken at 60 Hz that leads to the oscillation of the air/oil interface. The edges ... [more ▼]

A vessel is plunged upside down into a pool of 50 cSt silicone oil. An air bell is then created. This bell is vertically shaken at 60 Hz that leads to the oscillation of the air/oil interface. The edges of the immersed vessel generate surface waves that propagate towards the center of the bell. When the amplitude of the oscillation increases, wave amplitude increases. We study the influence of the angle between successive sides on the wave patterns. Two kinds of vessel have been studied: a triangular and a square prism. The shape of the air/oil meniscus depends on the angle between the sides of the considered prism. As the amplitude of the oscillation is increased, the triple line, which is the contact line between the solid and the air/oil interface, moves up and down. Above a given acceleration that depends on the immersion depth and on the shape vessel, wave goes under the corner edge of the bell. During the oscillation, the wave generates at the edges presents a singularity that leads eventually to a jet and a drop ejection. A drop is ejected at each oscillation. More complicated ejection can be produced with further increase of the amplitude. This is a sample arXiv article illustrating the use of fluid dynamics videos. [less ▲]

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See detailFrozen Splash
Delon, Giles ULg; Terwagne, Denis ULg; Adami, Nicolas ULg et al

Poster (2010, November 21)

We have studied the splashing dynamics of water drops impacting granular layers. Depending on the drop kinetic energy, various shapes are observed for the resulting craters. Experimental parameters that ... [more ▼]

We have studied the splashing dynamics of water drops impacting granular layers. Depending on the drop kinetic energy, various shapes are observed for the resulting craters. Experimental parameters that have been considered are : the size of the millimetric droplets ; the height of the free fall, ranging from 1.5 cm to 100 cm ; and, the diam- eter of the grain. As the drop is impacting the sand layer, energy is dissipated and a splash of sand occurs. Meanwhile, surface tension, in- ertia and viscosity compete, leading to strong deformations of the drop which depend on the experimental conditions. Just after the drop en- ters into contact with the sand, imbibition takes place and increases the apparent viscosity of the fluid. The drop motion is stopped by this phenomenon. Images and fast-video recordings of the impact allowed to find scaling laws for the crater morphology and size. <br />This abstract is related to a fluid dynamics video for the APS DFD gallery of fluid motion 2010. [less ▲]

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See detailFaraday instability on a network
Delon, Giles ULg; Terwagne, Denis ULg; Adami, Nicolas ULg et al

Poster (2010, March)

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See detailDouble émulsion rebondissante
Terwagne, Denis ULg; Gilet, Tristan ULg; Vandewalle, Nicolas ULg et al

Conference (2010, January 28)

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See detailFrom a bouncing compound drop to a double emulsion
Terwagne, Denis ULg; Gilet, Tristan ULg; Vandewalle, Nicolas ULg et al

in Langmuir (2010), 26(14), 11680

We show that a double emulsion (oil in water in oil) can be created starting from a compound droplet (surfactant solution in oil). The compound drop bounces on a vertically vibrated liquid surface. When ... [more ▼]

We show that a double emulsion (oil in water in oil) can be created starting from a compound droplet (surfactant solution in oil). The compound drop bounces on a vertically vibrated liquid surface. When the amplitude of the vibration exceeds a threshold value, the oil layer penetrates the water content and leaves a tiny oil droplet within. As this phenomenon occurs at each vigorous impact, the compound drop progressively transforms into a double emulsion. The emulsification threshold, which is observed to depend on the forcing frequency but not on the drop size, is rationalized by investigating the impact of compound drops onto a static liquid surface. The droplet creation occurs when the kinetic energy released at impact is larger than the energy required to deform the compound drop, namely when the Weber number is higher than a given threshold value. [less ▲]

Detailed reference viewed: 54 (29 ULg)