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An experimental and numerical research has been performed in order to study the flow distribution in a bipolar plate of a commercial PEM fuel cell. Planar laser induced fluorescence (PLIF) trace tracking has been applied to visualize the flow pattern and to measure the velocity in the plate channels. Simultaneously, the problem has been studied numerically, simulating the flow under similar operational...
Fuel cells for automotive applications consist of cells with large active areas. The active area is generally between 150 cm2 and 400 cm2. The reaction gases and the cooling media are distributed via bipolar plates to the reaction zones. Understanding local and cell wide gas distribution within the flow field at high current densities greater than 2.0 A/cm2 is a key factor regarding efficiency at...
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