Numerical Investigation of Performance Studies on Single Pass PEM Fuel Cell with Various Flow Channel Design

V. Lakshminarayanan; P. Karthikeyan; M. Muthukumar; A.P. Senthil Kumar; B. Kavin; A. Kavyaraj

doi:10.4028/www.scientific.net/AMM.592-594.1672

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Numerical Investigation of Performance Studies on Single Pass PEM Fuel Cell with Various Flow Channel Design

Abstract:

The Proton Exchange Membrane (PEM) Fuel Cell performance not only depends on the operating parameters like temperature, pressure, the stoichiometric ratio of reactants, relative humidity and back pressure on anode and cathode flow channels, but it also depends on design parameters like channel width to rib width, channel depth and number of passes on the flow channel. In this paper numerical analysis were carried out with six different cross-sections of the channel, namely square, triangle, parallelogram 14^o, parallelogram 26^o, trapezium and inverted trapezium of 1.25 cm² active area with a constant cross sectional area of 0.01 cm² of single pass PEM fuel cell. The model was created and simulated under various pressures and temperature with a constant mass flow rate by using fluent CFD and the influence of the single pass flow channel on the performance of PEM fuel cell has been investigated.