A SEMI-ANALYTICAL APPROACH TO INVESTIGATE THE VALIDITY OF THE THERMAL EQUILIBRIUM ASSUMPTION IN THE ANALYSIS OF UNSTEADY FREE CONVECTION IN POROUS MICRO-CHANNEL. IJMET. 2024;15(1):1-9. Accessed February 9, 2026. https://iaeme-library.com/index.php/IJMET/article/view/IJMET_15_01_001