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Open cell metal and carbon foams have unique properties that make them very attractive to a wide range of engineering applications such as heat transfer in heat exchanger analysis and design, petroleum engineering, aerospace engineering, chemical engineering, fuel cell technology, filtration, and flow stabilization. The study of heat and fluid flow through such foams or porous media depends on a series of unique concepts such as porosity, permeability, and volume averaged pressure drop and it is very essential that these concepts should be properly understood. This paper reports the experimental measurements of the porosity and permeability of open cell aluminum and reticulated vitreous carbon (RVC) foams of pore sizes varying from10 ppi (pores per inch) to 100 ppi. An experimental setup is developed and measurements are taken.

Experimental Measurements of Permeability of Open Foam