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CONV-09. Proceedings of International Symposium on Convective Heat and Mass Transfer in Sustainable Energy
April 26 - May 1, 2009, Hammamet, Tunisia

DOI: 10.1615/ICHMT.2009.CONV


ISBN Print: 978-1-56700-261-4

ISSN Online: 2642-3499

ISSN Flash Drive: 2642-3502

MINIMIZATION OF ENTROPY PRODUCTION IN FULLY DEVELOPED MIXED THERMAL CONVECTION

page 9
DOI: 10.1615/ICHMT.2009.CONV.490
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ABSTRACT

The present study refers to a fully developed thermal mixed convection between two vertical and infinite walls having imposed constant temperatures and for a given flow rate (or pressure gradient). Viscous dissipation and entropy production are successively estimated and then used to find an optimum distance between the plates which minimizes the total entropy production in the flow field. Results indicated that the definition of a entropy criteria to use between different convection regimes is more difficult to apply than a dissipation criteria.

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