Maher Lakkaichi. “Pressure Drop Analysis of Incompressible Laminar Flow in a Low Aspect-Ratio Packed Bed Using CFD Simulations”. The International Journal of Multiphysics, vol. 18, no. 2, Aug. 2024, pp. 538 -52, https://www.themultiphysicsjournal.com/index.php/ijm/article/view/1348.