A SEMI-ANALYTICAL APPROACH TO INVESTIGATE THE VALIDITY OF THE THERMAL EQUILIBRIUM ASSUMPTION IN THE ANALYSIS OF UNSTEADY FREE CONVECTION IN POROUS MICRO-CHANNEL. INTERNATIONAL JOURNAL OF MECHANICAL ENGINEERING AND TECHNOLOGY (IJMET), [S. l.], v. 15, n. 1, p. 1–9, 2024. Disponível em: https://iaeme-library.com/index.php/IJMET/article/view/IJMET_15_01_001.. Acesso em: 9 feb. 2026.