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TURBULENT FORCED CONVECTION HEAT TRANSFER ENHANCEMENT USING PALL RINGS IN A CIRCULAR DUCT.

Author(s) : BURFOOT D., RICE P.

Type of article: Article

Summary

THIS PAPER REPORTS THE RESULTS OF AN EXPERIMENTAL INVESTIGATION OF TURBULENT HEAT TRANSFER AND FLOW RESISTANCE IN A CIRCULAR DUCT CONTAINING STAINLESS STEEL PALL RINGS IN VARIOUS CONFIGURATIONS. THE INCREASE IN HEAT TRANSFER OVER AN EMPTY DUCT (60% MAXIMUM) IS SHOWN TO BE LESS THAN THAT OBTAINED BY USING OPTIMUM INTEGRALLY ROUGHENED DUCTS. THE FLOW RESISTANCE INCREASES CONSIDERABLY MORE RAPIDLY THAN THE HEAT TRANSFER ENHANCEMENT. THE DEGREE OF MIXING, OF THE STREAM ENTERING EACH PALL RING, IS SHOWN TO HAVE AN EFFECT ON THE PRESSURE DROP AND HEAT TRANSFER CHARACTERISTICS.

Details

  • Original title: TURBULENT FORCED CONVECTION HEAT TRANSFER ENHANCEMENT USING PALL RINGS IN A CIRCULAR DUCT.
  • Record ID : 1983-1697
  • Languages: English
  • Source: Ind. Eng. Chem. (Process Des. Dev.) - vol. 21 - n. 4
  • Publication date: 1982
  • Document available for consultation in the library of the IIR headquarters only.

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