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Enhanced Heat Transfer by Unipolar Injection of Electric Charges in Differentially Heated Dielectric Liquid Layer
Ecole Nationale d’Ingénieurs, 5012 Monastir, Tunisia
Corresponding author. Naceur.borjini@fsm.rnu.tn, Gsm 21698830979. Institut Supérieur des Sci-ences Appliquées et de Technologique, 4000 Sousse, Tunisia
Fluid Dynamics & Materials Processing 2012, 8(4), 381-396. https://doi.org/10.3970/fdmp.2012.008.381
Abstract
In this work we consider the problem related to the electro-thermo-convection of a dielectric fluid in a rectangular enclosure placed between two electrodes. This layer is subjected simultaneously to the injection of electric charges and to a thermal gradient. The influence of the electric Rayleigh number (200 - 1000) on the structure of the flow, the density of electric charge and heat transfer is investigated. An oscillatory flow is observed and discussed in detail.Keywords
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Copyright © 2012 The Author(s). Published by Tech Science Press.This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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