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Effects of variable viscosity and viscous dissipation on laminar convection heat transfer of a power law fluid in the entrance region of a semi-circular duct.

Author(s) : ETEMAD S. G., MUJUMDAR A. S.

Type of article: Article

Summary

A numerical scheme based on Galerkin's finite element method was used to solve the three-dimensional governing equations for steady laminar simultaneously developing flow and heat transfer in a semi-circular duct. Two different boundary conditions, constant wall heat flux both axially and peripherally and constant wall temperature, were considered. The study was conducted for a purely viscous non-Newtonian fluid with different power law indices and Prandtl numbers. The effects of temperature dependent viscosity and viscous dissipation were examined and discussed.

Details

  • Original title: Effects of variable viscosity and viscous dissipation on laminar convection heat transfer of a power law fluid in the entrance region of a semi-circular duct.
  • Record ID : 1996-1497
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 38 - n. 12
  • Publication date: 1995/08

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