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Hydrodynamic instabilities in rotating fluids

  • Rotating flow systems are often used to study stability phenomena and structure developments. The closed spherical gap problem is generalized into an open flow system by superimposing a mass flux in meridional direction. The basic solutions at low Reynolds numbers are described by analytical methods. The nonlinear supercritical solutions are simulated numerically and realized in experiments. NovelRotating flow systems are often used to study stability phenomena and structure developments. The closed spherical gap problem is generalized into an open flow system by superimposing a mass flux in meridional direction. The basic solutions at low Reynolds numbers are described by analytical methods. The nonlinear supercritical solutions are simulated numerically and realized in experiments. Novel steady and time-dependent modes of flows are obtained. The extensive results concern the stability behaviour, non-uniqueness of supercritical solutions, symmetry behaviour and transitions between steady and time-dependent solutions. The experimental investigations concern the visualization of the various instabilities and the quatitative description of the flow structures including the laminar-turbulent transition. A comparison between theoretical and experimental results shows good agreement within the limit of rotational symmetric solutions from the theory.show moreshow less

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Metadaten
Author:Karl BühlerGND
Publisher:Science Press
Year of Publication:2000
Language:English
GND Keyword:Hydrodynamik; Rotierende Flüssigkeit
Parent Title (German):Journal of Thermal Science
Volume:9
Issue:2
ISSN:1993-033X
First Page:103
Last Page:108
Document Type:Article (reviewed)
Institutes:Bibliografie
Open Access:Zugriffsbeschränkt
Release Date:2019/10/15
Licence (German):License LogoEs gilt das UrhG
DOI:https://doi.org/10.1007/s11630-000-0002-5