Spontaneous Symmetry Breaking on Fluid Surfaces
- Datum
- 29.10.2012
- Zeit
- 16:30 - 17:30
- Sprecher
- Tomas Bohr
- Zugehörigkeit
- Technical University of Denmark
- Serie
- MPI-PKS Kolloquium
- Sprache
- en
- Hauptthema
- Physik
- Andere Themen
- Physik
- Host
- MUFLOW12 Workshop
- Beschreibung
- Spontaneous symmetry breaking plays a major role in almost all branches of physics. Free surface flows are easy to excite and strongly nonlinear and thus provide spectacular examples. We shall discuss the breaking of axial symmetry in two examples: (1) the circular hydraulic jump on a plane, smooth horisontal surface and (2) the "rotating polygons" formed in strongly swirling free surface flows. In both cases "corners" are spontaneously generated which leads to polygon-like states, but since the Reynolds numbers differ by around two orders of magnitude, the mechanism of instability is very different.
Letztmalig verändert: 29.10.2012, 08:36:27
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- + 49 (0)351 871 0
- MPI-PKS
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- http://www.mpipks-dresden.mpg.de
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Max-Planck-Institut für Physik komplexer SystemeNöthnitzer Straße3801187Dresden
- Telefon
- + 49 (0)351 871 0
- MPI-PKS
- Homepage
- http://www.mpipks-dresden.mpg.de
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