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Mixed convection heat transfer in the entrance region of horizontal annuli.

Author(s) : ISLAM N., GAITONDE U. N., SHARMA G. K.

Type of article: Article

Summary

The present study deals with a numerical investigation of steady laminar mixed convection heat transfer in a horizontal concentric annulus using air and water as the working fluid. Special attention has been paid to the entrance region effect. The thermal boundary condition chosen is that of uniform heat flux at the inner wall and an adiabatic outer wall. The investigations reveal that the Nusselt numbers for air are considerably greater than the corresponding values for fully developed mixed convection values over a significant portion of the annular duct.

Details

  • Original title: Mixed convection heat transfer in the entrance region of horizontal annuli.
  • Record ID : 2002-1274
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 44 - n. 11
  • Publication date: 2001/06

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