1. Protection against fire and high temperature by using porous media and water;Yano,1991
2. Boundary and inertia effects on flow and heat transfer in porous media;Vafai;Int. J. Heat Mass Transfer,1981
3. Radial porosity variation in packed beds;Roblee;A.I.Ch.E. Jl,1958
4. Void fraction distribution in beds of spheres;Benenati;A.I.Ch.E. Jl,1962
5. Flow distribution in packed beds;Schwartz;Ind. Engng Chem.,1953