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Application de méthodes spectrales pour analyser la stabilité de la convection tridimensionnelle de Rayleigh-Bénard en milieu rayonnant.

Stability analysis for three-dimensional Rayleigh-Bénard convection with radiatively participating medium using spectral methods.

Auteurs : LAN C. H., EZEKOYE O. A., HOWELL J. R., et al.

Type d'article : Article

Résumé

In this study, a fluid subject to combined natural convection and radiation is studied by employing the Boussinesq approximation of the Navier-Stokes equations. The results show that the presence of a radiative source changes the static temperature gradient of the fluid, and generally results in increasing the flow critical values. The influences of the conduction-radiation parameter, Rayleigh number, and optical thickness on flow instabilities and bifurcations are discussed.

Détails

  • Titre original : Stability analysis for three-dimensional Rayleigh-Bénard convection with radiatively participating medium using spectral methods.
  • Identifiant de la fiche : 2004-0064
  • Langues : Anglais
  • Source : International Journal of Heat and Mass Transfer - vol. 46 - n. 8
  • Date d'édition : 04/2003

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