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BENARD-MARANGONI CONVECTION [1 record]

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Record 1 1993-06-01

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
CONT

The distinction should now be well apparent between Bénard-Marangoni convection driven by surface tension effects and Rayleigh-Bénard convection resulting from buoyancy. But in a fluid layer open to air, the two mechanisms can operate simultaneously and we need an estimate of their relative strength, which can be obtained by a comparison of the induced velocities.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
CONT

La distinction devrait maintenant être bien claire entre convection de Bénard-Marangoni contrôlée par la tension superficielle et convection de Rayleigh-Bénard due à la poussée d'Archimède. Mais, dans une couche fluide horizontale ouverte à l'air, les deux mécanismes peuvent opérer simultanément. Il faut donc estimer leur force relative, par exemple en comparant les vitesses induites.

Spanish

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