Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium

Harris Imadojemu, Richard Johnson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Results of an experimental examination of the mixed convective heat transfer characteristics of a vertical plate embedded in a water saturated porous medium are presented. The results are for the variation of local Nusselt number for different heat fluxes. The results are given as power law relationships between Nusselt number and Rayleigh, and Peclet numbers. Mixed flow is shown to greatly increase the overall heat transfer coefficient, due to the imposed forced velocity. Close to the leading edge of the plate the effects of wall channelling appear to be important. Wall channelling results from the porosity at the wall being larger than the bulk porosity. For the large, spherical shaped bead experiments the effect of channelling was evident at a significant distance up the plate.

Original languageEnglish (US)
Title of host publicationMixed Convection Heat Transfer - 1991
PublisherPubl by ASME
Pages111-117
Number of pages7
ISBN (Print)0791807320
StatePublished - Jan 1 1991
Event28th National Heat Transfer Conference - Minneapolis, MN, USA
Duration: Jul 28 1991Jul 31 1991

Publication series

NameAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
Volume163
ISSN (Print)0272-5673

Other

Other28th National Heat Transfer Conference
CityMinneapolis, MN, USA
Period7/28/917/31/91

Fingerprint

Nusselt number
Porous materials
Porosity
Heat transfer
Peclet number
Heat transfer coefficients
Heat flux
Water
Experiments

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

Imadojemu, H., & Johnson, R. (1991). Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium. In Mixed Convection Heat Transfer - 1991 (pp. 111-117). (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD; Vol. 163). Publ by ASME.
Imadojemu, Harris ; Johnson, Richard. / Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium. Mixed Convection Heat Transfer - 1991. Publ by ASME, 1991. pp. 111-117 (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD).
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Imadojemu, H & Johnson, R 1991, Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium. in Mixed Convection Heat Transfer - 1991. American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD, vol. 163, Publ by ASME, pp. 111-117, 28th National Heat Transfer Conference, Minneapolis, MN, USA, 7/28/91.

Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium. / Imadojemu, Harris; Johnson, Richard.

Mixed Convection Heat Transfer - 1991. Publ by ASME, 1991. p. 111-117 (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD; Vol. 163).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Imadojemu H, Johnson R. Mixed convective heat transfer from a heated vertical plate surrounded by a saturated porous medium. In Mixed Convection Heat Transfer - 1991. Publ by ASME. 1991. p. 111-117. (American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD).