NUMERICAL SIMULATION OF MIXED CONVECTION HEAT TRANSFER AND RESULTING ENTROPY USING TWO VIBRATING CYLINDERS INSIDE A CLOSED CAVITY FILLED WITH Cu-AL2O3-WATER HYBRID NANOFLUID. THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING, [S. l.], v. 25, n. 1, p. 131–158, 2026. DOI: 10.32852/d26szn68. Disponível em: https://www.iqjfmme.com/index.php/jmme/article/view/852.. Acesso em: 15 apr. 2026.