A generalized model of the flow distribution in channel networks of planar fuel cells

A computational model is developed to describe the fluid flow in the small channel network systems that are typical of planar fuel cells. The model solves mass and momentum equations to predict pressure drop and flow uniformity within individual channels. By formulating the problem in dimensionless variables, the solutions are generalized in terms of two nondimensional groups. The results are presented in graphical form, facilitating their application without the need to solve the model for any particular application.