Equilibrium-State for Constant Concentration at Inlet Boundary in Porous Media Having Viscosity-Contrast: Understanding the Equilibrium State of Viscous Fingering Instability in Porous Media. JASRAE [Internet]. 2019 Feb. 1 [cited 2025 Dec. 26];16(2):851-3. Available from: https://ignited.in/index.php/jasrae/article/view/10233