Conjugate heat transfer in a vertical channel filled with a nanofluid adjacent to a heat generating solid domain

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Flavius Pătrulescu Teodor Groşan

Abstract

The effect of thermal dispersion in the conjugate steady free convection flow of a nanofluid in a vertical channel is investigated numerically using a single phase model. Considering the laminar and fully developed flow regime, a simplified mathematical model is obtained. In the particular cases when solid phase and thermal dispersion effects are neglected the problem was solved analytically. The numerical solution is shown to be in excellent agreement with the close form analytical solution. Nusselt number enhancement with the Grashof number, volume fraction, aspect ratio parameter and thermal diffusivity constant increasing has been found.

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Keywords
nanofluid; vertical channel; free convection; conjugate heat transfer; heat generation
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