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- Max Planck SocietyDE8 papers
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22 papers · 1 filter
Critical adsorption and critical Casimir forces for geometrically structured confinements
M. Tröndle, L. Harnau, S. Dietrich
We study the behavior of fluids, confined by geometrically structured substrates, upon approaching a critical point at T = Tc in their bulk phase diagram. As generic substrate stru…
Hydrodynamic Theory for Reverse Brazil Nut Segregation and the Non-monotonic Ascension Dynamics
Meheboob Alam, Leonardo Trujillo, Hans J. Herrmann
Based on the Boltzmann-Enskog kinetic theory, we develop a hydrodynamic theory for the well known (reverse) Brazil nut segregation in a vibro-fluidized granular mixture. Using an a…
Three-body interactions in colloidal systems
J. Dobnikar, M. Brunner, H. H. von Grünberg +1
We present the first direct measurement of three-body interactions in a colloidal system comprised of three charged colloidal particles. Two of the particles have been confined by…
Direct measurement of three-body interactions
M. Brunner, J. Dobnikar, H. H. von Grünberg +1
Three-body interactions have been measured among three charged colloidal particles in deionized solvent. Two of the particles have been confined to an optical line-trap while the t…
Slip flow over structured surfaces with entrapped microbubbles
Jari Hyväluoma, Jens Harting
On hydrophobic surfaces, roughness may lead to a transition to a superhydrophobic state, where gas bubbles at the surface can have a strong impact on a detected slip. We present tw…
Swinging and tumbling of elastic capsules in shear flow
S. Kessler, R. Finken, U. Seifert
The deformation of an elastic micro-capsule in an infinite shear flow is studied numerically using a spectral method. The shape of the capsule and the hydrodynamic flow field are e…