Heat Transfer Effect in an Air Cooled Ventilated Enclosure
2016
Fluid flow and heat transfer in a mechanically ventilated enclosure using a mixed air-distribution system at various levels have been numerically simulated. Thermally activated fluid is supplied through various slots of the vertical channel wall, flush in with the isothermal ceiling and flush out through a port in the opposite wall. The horizontal walls are assumed to be impermeable and adiabatic. Steady, laminar, and incompressible flow under a Boussinesq approximation has been considered, and numerical results for the Navier–Stokes equation and energy equation are obtained using a finite volume method based on the semi-implicit method for pressure linked equations algorithm for the following parameters: locations of inlet and outlets, and different values of Grashof numbers and Reynolds numbers. The proposed numerical model has been validated by comparing its predictions with those of other models’ data in the literature. The validated model is then used to investigate the effects of the Reynolds number...
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