MIXED CONVECTION IN HORIZONTAL POROUS LAYERS HEATED FROM BELOW.

V. Prasad, F. C. Lai, F. A. Kulacki

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

Numerical studies are reported for the steady, mixed convection in two-dimensional horizontal porous layers with localized heating from below. The relative strength of the forced flow and the buoyant effects are examined for wide ranges of Rayleigh number, Ra*, and Peclet number, Pe*. The externally-induced flow field is observed to significantly perturb when Pe* is increased beyond unity. For a fixed Peclet number, an increase in Rayleigh number produces multicellular recirculating flows in a domain close to the heat source. This enhances the heat transfer by free convection.

Original languageEnglish (US)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - Jan 1 1986

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