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| Titel: |
Visualization of Vortex Breakdown Structures |
| Auteur: |
K. Bühler |
| Verschenen in: |
Journal of visualization |
| Paginering: | Jaargang 2 (2002) nr. 1 pagina's 25-30 |
| Jaar: |
2002-09-06 |
| Inhoud: |
Shapes and structures of vortex breakdown phenomena in rotating fluids are visualized. We investigate the flow in a cylindrical container and in a cone between two spherical surfaces. The primary swirling flow is induced by the rotating upper disk in the cylindrical case and by the lower boundary in the spherical case. The upper surface can be fixed with a no slip condition or can be a stress-free surface. Depending on these boundary conditions and on the Reynolds number novel structures of recirculation zones are realized. Experiments are done to visualize the topological structure of the flow and to determine their existence range as function of the geometry and rotation rate. A comparison between the experimental and theoretical approach shows a good agreement in respect to the topological structures of the flows. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 27 van 31 gevonden artikelen
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