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Experimental and numerical analyses of double diffusive natural convection heated and cooled from opposing vertical walls with an initial condition of a vertically linear concentration gradient.

Author(s) : KAMAKURA K., OZOE H.

Type of article: Article

Summary

When a solution having a vertical linear concentration gradient is heated from a vertical wall and cooled from an opposing vertical wall, multi-layered roll cells separated by almost-horizontal sharp interfaces are observed. Computations were carried out for the Prandtl number 6, the Lewis number 100, an aspect ratio 4, the Rayleigh number 1,000,000 and a buoyancy ratio 10 or 20. Multi-layered roll cells with sharp and almost-horizontal interfaces were formed in the numerical simulation and then the concentration in each layer became almost uniform.

Details

  • Original title: Experimental and numerical analyses of double diffusive natural convection heated and cooled from opposing vertical walls with an initial condition of a vertically linear concentration gradient.
  • Record ID : 1994-0150
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 36 - n. 8
  • Publication date: 1993/05

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