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AN INVESTIGATION OF LAMINAR MIXED CONVECTION INSIDE A HORIZONTAL TUBE WITH ISOTHERMAL WALL CONDITIONS.

Author(s) : COUTIER J. P., GREIF R.

Type of article: Article

Summary

THE LAMINAR FLOW AND HEAT TRANSFER WITHIN A HORIZONTAL ISOTHERMAL TUBE ARE STUDIED BOTH EXPERIMENTALLY AND THEORETICALLY. EMPHASIS IS GIVEN TO FLOW REGIMES WHERE A BUOYANT EFFECT ON THE FORCED FLOW IS EXHIBITED WITHIN THE TUBE. SEVERAL TESTS WERE CARRIED OUT OVER A WIDE RANGE OF OPERATING CONDITIONS WITH WATER AND A PROPYLENE-GLYCOL SOLUTION INSIDE THE TUBE. A THREE-DIMENSIONAL NUMERICAL MODEL WAS USED TO ANALYZE THE FLOW BEHAVIOUR AND THE HEAT TRANSFER. THE SECONDARY FLOWS CREATE A LARGE CIRCUMFERENTIAL VARIATION OF THE FLUID TEMPERATURE AND THE NUSSELT NUMBER.

Details

  • Original title: AN INVESTIGATION OF LAMINAR MIXED CONVECTION INSIDE A HORIZONTAL TUBE WITH ISOTHERMAL WALL CONDITIONS.
  • Record ID : 1986-0951
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 28 - n. 7
  • Publication date: 1985

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