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Effect of Inclined Wavy Surface on Heat Transfer inside a Rectangular Cavity: Solar Applications

Abstract : In this present work a steady-state natural convection was numerically simulated in an inclined rectangular cavity with a sinusoidal bottom wavy wall. The vertical walls are insulated while the bottom surface maintained to higher temperature than the top surface. In this numerical simulation, Rayleigh number (103, 106 and 6\texttimes106) and inclination angle (30°, 60° and 90°) were chosen in order to analyze the effect of these parameters on the heat transfer and the flow fields in two dimensional(2-D) enclosure filled in air (Pr=0.71). It is found that the same Rayleigh number, the heat transfer is influenced by the inclination angle. In other words the increase of inclination angle leads to an increase in the heat transfer inside the rectangular cavity.
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Y. Agrouaz, T. Bouhal, A. Jamil, A.A. Msaad, Tarik Kousksou, et al.. Effect of Inclined Wavy Surface on Heat Transfer inside a Rectangular Cavity: Solar Applications. IEEE International Renewable and Sustainable Energy Conference, IRSEC 2015, Dec 2015, Marrakech, Morocco. pp.1-6, ⟨10.1109/IRSEC.2015.7455006⟩. ⟨hal-02153995⟩

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