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THERMAL CONVECTION IN A POROUS MEDIUM WITH HORIZONTAL CRACKS.

Author(s) : MCKIBBIN R., TYVAND P. A.

Type of article: Article

Summary

IN THIS PAPER THE EFFECTS OF THIN, HIGHLY PERMEABLE HORIZONTAL LAYERS (CRACKS) ARE INVESTIGATED. EVEN AND ODD NUMBERS OF LAYERS STUDIED SEPARATELY, WITH A VARIETY OF RESULTS BEING GIVEN FOR THE CRITICAL RAYLEIGH NUMBER AND THE SUBSEQUENT HEAT TRANSPORT FOR SLIGHTLY SUPERCRITICAL CONVECTION. CALCULATED STREAMLINE PATTERNS INDICATE THAT LOCAL, OR SMALL-SCALE, CONVECTION IS GENERALLY ABSENT FOR THE PRESENT PROBLEM. ODD NUMBERS OF LAYERS GIVE EITHER ZERO OR TWO CRACKS IN CONTACT WITH THE BOUNDARIES ; IN THE LATTER CASE THERE IS GOOD CONVERGENCE TOWARDS HOMOGENEOUS ANISOTROPY AS THE NUMBER OF LAYERS INCREASES.

Details

  • Original title: THERMAL CONVECTION IN A POROUS MEDIUM WITH HORIZONTAL CRACKS.
  • Record ID : 1985-0506
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 7
  • Publication date: 1984/07

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