Green's function solution of temperature field for flow in porous passages

A. Haji-Sheikh, W. J. Minkowycz, E. M. Sparrow

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Recently, the heat transfer in porous passages has received attention from many investigators. The Green's function solution method can serve as a powerful tool to accomplish this task of providing solutions to this type of problems with or without the effect of axial conduction. The study of heat transfer with emphasis on frictional heating, in the absence of axial conduction, is the subject of this presentation. As a simple example, consideration is given to the numerical study of the heat transfer in flow between two impermeable parallel plates. The individual effects of temperature change at the walls, frictional heating, and the combined effects are examined. The data shows that the combined effects can produce removable singularities under certain boundary conditions. To avoid the occurrence of singularities in these types of applications, certain heat transfer parameters are presented in different but basic forms.

Original languageEnglish (US)
Pages (from-to)4685-4695
Number of pages11
JournalInternational Journal of Heat and Mass Transfer
Volume47
Issue number22
DOIs
StatePublished - Oct 1 2004

Keywords

  • Channel flow
  • Convection
  • Frictional heating
  • Green's function
  • Porous passages

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