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Experimental and Numerical Investigation of the Turbulent Flow in a Smooth Lid-Driven Cavity

[+] Author Affiliations
Stephan Uhkoetter, Stefan aus der Wiesche

Muenster University of Applied Sciences, Steinfurt, Germany

Paper No. FEDSM2013-16061, pp. V01CT29A001; 11 pages
  • ASME 2013 Fluids Engineering Division Summer Meeting
  • Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives
  • Incline Village, Nevada, USA, July 7–11, 2013
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5556-0
  • Copyright © 2013 by ASME


Experiments were carried out to study the flow behavior in a smooth lid-driven cavity with small inlet and outlet gaps. It was found that a thin shear layer close to the moving wall occurred whereas the larger part of the flow domain was characterized by large fluctuating eddies. The recirculation flow started with a regular vortex. Later this vortex became unstable due to a Kelvin-Helmholtz-like instability. In the steady-state, the transition from a laminar boundary layer flow at the inlet to a turbulent flow close to the outlet followed the classical route for a flat plate. Whereas the primary disturbance modes had large wave lengths, smaller Taylor-Goertler-like vortices were observed in case of developed flow. Based on an analytical treatment of the resulting steady-state flow structure in the smooth cavity, a logarithmic velocity profile was obtained. Detail measurements by means of Laser-Doppler-Anemometry (LDA) agreed well with this prediction. Turbulence quantities and secondary flow phenomena were measured and visualized for a large portion of the cavity. Extensive Large-Eddy-Simulation (LES) calculations were conducted, and a reasonable agreement between the experimental data and the LES results were found. Finally, the potential of RANS methods were assessed, too. The results indicated that particular the Detached-Eddy-Simulation (DES) approach offers a high potential whereas RANS methods are systematically unable to cover the recirculation phenomena adequately.

Copyright © 2013 by ASME
Topics: Turbulence , Cavities



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