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    Coupled Conductive-Convective-Radiative Heat Transfer in Hollow Blocks with Two Air Cells in the Vertical Direction Subjected to an Incident Solar Flux

    Mourad Najjaoui1,*, Thami Ait-taleb1, Abdelhalim Abdelbaki2, Zaki Zrikem2, Hassan Chaib1

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.5, pp. 1399-1407, 2022, DOI:10.32604/fdmp.2022.021760

    Abstract This work presents the results of a set of steady-state numerical simulations about heat transfer in hollow blocks in the presence of coupled natural convection, conduction and radiation. Blocks with two air cells deep in the vertical direction and three identical cavities in the horizontal direction are considered (typically used for building ceilings). Moreover, their outside horizontal surface is subjected to an incident solar flux and outdoor environment temperature while the inside surface is exposed to typical indoor environment conditions. The flows are considered laminar and two-dimensional over the whole range of parameters examined. The conservation equations are solved by… More >

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