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TWO-DIMENSIONAL HEAT TRANSFER AND CRITICAL RADIUS RESULTS FOR NATURAL CONVECTION ABOUT AN INSULATED HORIZONTAL CYLINDER.

Author(s) : SPARROW E. M., KANG S. S.

Type of article: Article

Summary

THE RADIAL AND CIRCUMFERENTIAL HEAT TRANSFER AND FLUID FLOW PROBLEM FOR A FLUID-CARRYING, INSULATED HORIZONTAL CYLINDER WHICH LOSSES HEAT TO AIR BY NATURAL CONVECTION WAS ANALYZED BY SOLVING THE DIFFERENTIAL FORM OF THE CONSERVATION LAWS. THE RESULTING CONJUGATE PROBLEM ENCOMPASSED CONDUCTION IN THE INSULATION LAYER AND NATURAL CONVECTION IN THE AMBIENT AIR. A ONE-DIMENSIONAL, RADIAL HEAT FLOW MODEL OF THE PROBLEM WAS ALSO INVESTIGATED. IT WAS FOUND THAT THE CORRELATION-RELATED SPREAD OF THE HEAT TRANSFER RESULTS FROM THE ONE-DIMENSIONAL MODEL WAS GREATER THAN THE DIFFERENCES BETWEEN THE ONE-AND TWO-DIMENSIONAL RESULTS. THE CRITICAL RADIUS RESULTS FROM THE ONE-DIMENSIONAL MODEL CAN BE CALCULATED EFFICIENTLY.

Details

  • Original title: TWO-DIMENSIONAL HEAT TRANSFER AND CRITICAL RADIUS RESULTS FOR NATURAL CONVECTION ABOUT AN INSULATED HORIZONTAL CYLINDER.
  • Record ID : 1986-1391
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 28 - n. 11
  • Publication date: 1985

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