Transition from laminar to chaotic natural convection of air saturating a porous square enclosureSaad Adjal, Sabiha Aklouche-Benouaguef and Belkacem ZeghmatiEur. Phys. J. Appl. Phys., 97 (2022) 40DOI: https://doi.org/10.1051/epjap/2022220006