NUMERICAL ANALYSIS ON 64 cm2 SERPENTINE FLOW CHANNEL DESIGN OF PEM FUEL CELL

摘要

The operating pressure, operating temperature, stoichiometric ratio of reactant gases, relative humidity and rib width to channel width (RC), the shape of the flow channel and the number of passes on the flow channel are the predominant factors to be considered for the performance improvement of the Proton Exchange Membrane (PEM) fuel cell. In this study, the power density has been calculated with serpentine flow channel of 64 cm2 (8cm x 8cm) active area with the effect of design parameter like various landing to channel width ratio (LC) 11, 12, 21 and 22 and the operating parameters like various operating temperature (313, 323 and 333), constant pressure of 2 bar and inlet reactant mass flow rate of the PEM fuel cell has been considered. The model has been created using Creo software and it has been analyzed using CFD fluent software. The maximum numerical power densities of serpentine flow channel with RC -12 were found to be 0.134, 0.139 and 0.137 W / cm2 for temperature 313, 323 and 333 K respectively.