Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Rehberg I"'
Publikováno v:
AIP Conference Proceedings, 1145, 955-958 (2009)
The dependence of the barchan dune dynamics on the size of the grains involved is investigated experimentally. Downsized barchan dune slices are observed in a narrow water flow tube. The relaxation time from an initial symmetric triangular heap towar
Externí odkaz:
http://arxiv.org/abs/0811.4729
Publikováno v:
New J. Phys. 10 (2008) 063029
We report on the controlled transport of drops of magnetic liquid, which are swimming on top of a non-magnetic liquid layer. A magnetic field which is rotating in a vertical plane creates a torque on the drop. Due to surface stresses within the immis
Externí odkaz:
http://arxiv.org/abs/0804.4803
We observe the dynamics of waves propagating on the surface of a ferrofluid under the influence of a spatially and temporarily modulated field. In particular, we excite plane waves by a travelling lamellar modulation of the magnetization. By this ext
Externí odkaz:
http://arxiv.org/abs/0803.3038
The normal field instability in magnetic liquids is investigated experimentally by means of a radioscopic technique which allows a precise measurement of the surface topography. The dependence of the topography on the magnetic field is compared to re
Externí odkaz:
http://arxiv.org/abs/nlin/0604009
Experimental results are presented on the transport properties of granular materials on a vibratory conveyor. For circular oscillations of the shaking trough a non-monotonous dependence of the transport velocity on the normalized acceleration is obse
Externí odkaz:
http://arxiv.org/abs/cond-mat/0311641
An experimental study of the viscosity of a macroscopic suspension, i.e. a suspension for which Brownian motion can be neglected, under steady shear is presented. The suspension is prepared with a high packing fraction and is density-matched in a New
Externí odkaz:
http://arxiv.org/abs/cond-mat/0202435
A novel pattern forming instability in a mixture of a granular material and water in a horizontal rotating drum is experimentally investigated. The particles accumulate in radial symmetric rings separated by pure water. The transition between the hom
Externí odkaz:
http://arxiv.org/abs/cond-mat/0202373
A study of secondary instabilities in ac-driven electroconvection of a planarly aligned nematic liquid crystal is presented. At low frequencies one has a transition from normal rolls to a zig-zag pattern and at high frequencies a direct transition fr
Externí odkaz:
http://arxiv.org/abs/patt-sol/9806004
Publikováno v:
Eur. Phys. J. B, 4 (1998) 475
The temporal evolution of a water-sand interface driven by gravity is experimentally investigated. By means of a Fourier analysis of the evolving interface the growth rates are determined for the different modes appearing in the developing front. To
Externí odkaz:
http://arxiv.org/abs/patt-sol/9706004
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