Entropy generation due to the mixed convection flow of MWCNT−MgO/water hybrid nanofluid in a vented complex shape cavityMahdi Benzema, Youb Khaled Benkahla, Ahlem Boudiaf, Seif-Eddine Ouyahia and Mohammed El GanaouiMATEC Web Conf., 307 (2020) 01007DOI: https://doi.org/10.1051/matecconf/202030701007