Comment on “Effects of chemical reaction on free convective flow of a polar fluid through a porous medium in the presence of internal heat generation” by Patil and Kulkarni, Int. J. Thermal Sci. 47 (2008) 1043–1054

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Abstract

In this Letter we show that the paper by Patil and Kulkarni [P.M. Patil, P.S. Kulkarni, Effects of chemical reaction on free convective flow of a polar fluid through a porous medium in the presence of internal heat generation, Int. J. Thermal Sci. 47 (2008) 1043-1054] contains two errors which render their conclusions invalid. The first of these is a simple sign error. But the second involves the omission of part of the viscous dissipation term. We also show that the inclusion of this term yields an equation for the temperature field which cannot satisfy both the imposed boundary conditions.
Original languageEnglish
Pages (from-to)847-848
Number of pages2
JournalInternational Journal of Thermal Sciences
Volume48
Issue number4
DOIs
Publication statusPublished - 1 Apr 2009

Keywords

  • Viscous dissipation
  • Boundary layer
  • Temperature fields
  • Internal heat generation (IHG)

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