Benygzer Cherifa; Bouzit Mohamed; Mokhefi Abderrahim; Khelif Fatima-Zohra. Unsteady Natural Convection in a Porous Square Cavity Saturated by Nanofluid Using Buongiorno Model: Variable Permeability Effect on Homogeneous Porous Medium. CFD Lett. 2022, 14, 42-61.