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Berlin 2005 – scientific programme

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DY: Dynamik und Statistische Physik

DY 34: Poster

DY 34.66: Poster

Monday, March 7, 2005, 15:30–18:00, Poster TU D

Experimental investigation of Rayleigh-Bénard convection in cells of aspect ratio one — •Janet Neerken, Joachim Peinke, Achim Kittel, and Marco Munzel — Carl-von-Ossietzky Universität Oldenburg

We present experimental results of turbulent Rayleigh-Bénard convection in water in cells of aspect ratio one. The Rayleigh numbers in our experiments are up to 7·109. With different experimental methods we measure the flow structures close to the bottom or top plate. The aim of our work is to investigate the stability of the large-scale circulation and how this may be affected by the geometry of the Rayleigh-Bénard cell. Therefore we compare results from a cylindrical and a quadratic cell.

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