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International Heat Transfer Conference 10

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Onset of Unsteadiness, Routes to Chaos and Simulations of Chaotic Flows in Cavities Heated from the Side: a Review of Present Status

Patrick Le Quere
LESTE UA CNRS 1098 Universite de Poitiers,40 av du Recteur Pineau,86022 Poitiers Cedex- France

DOI: 10.1615/IHTC10.1890
pages 281-296


We review the status of present knowledge concerning the mechanisms responsible for the onset of unsteadiness and subsequent transition to chaos in cavities heated from the side. Although most of the discussion concerns air-filled cavities with isothermal vertical walls in the Boussinesq regime, some Prandtl number and non-Boussinesq effects and the effect of isoflux heating are adressed. We also adress the issue of three-dimensional effects. We finally present some direct simulations of fully chaotic solutions for Rayleigh number values up to 1010.

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