Experimental observation of the steady-oscillatory transition in a cubic lid-driven cavity

Particle image velocimetry is applied to the lid-driven flow in a cube to validate the numerical prediction of steady-oscillatory transition at lower than ever observed Reynolds number. Experimental results agree with the numerical simulation demonstrating large amplitude oscillatory motion overlayi...

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Bibliographic Details
Published in:Physics of fluids (1994) 2011-08, Vol.23 (8), p.084106-084106-7
Main Authors: Liberzon, A., Feldman, Yu, Gelfgat, A. Yu
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Laminar flows
Laminar flows in cavities
Physics
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Summary:Particle image velocimetry is applied to the lid-driven flow in a cube to validate the numerical prediction of steady-oscillatory transition at lower than ever observed Reynolds number. Experimental results agree with the numerical simulation demonstrating large amplitude oscillatory motion overlaying the base quasi-two-dimensional flow in the mid-plane. A good agreement in the values of critical Reynolds number and frequency of the appearing oscillations as well as similar spatial distributions of the oscillations amplitude are obtained.
ISSN:1070-6631
1089-7666
DOI:10.1063/1.3625412