In this study, the effect of internal heat generation for Cu-water nanofluid on natural convection heat transfer in a fluid saturated porous cavity with partially active walls has been numerically investigated. The governing non-dimensional Darcy-Brinkman-Forchheimer equations are solved using the finite volume approach together with SIMPLE algorithm. Benchmark results are compared with present study which furnish that the present results are to be reliable. The addition of nanoparticles produces an augmented heat transfer rate for low values of internal heat generation. On the other hand, the base fluid water induces the maximum heat transfer rate than the nanofluid for high values of internal heat generation parameter. This means that in the presence of high internal heat generation, there is no need to add nanoparticles inside the cavity to generate the augmented heat transfer rate.
Keywords: Heat Generation, Nanofluid, Partially Active Walls, Porous Medium
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