Numerical simulation of effects of flow maldistribution on heat and mass transfer in a PEM fuel cell stack
作者： A. S. Bansode , Siddharth Patel , T. Rajesh Kumar , B. Muralidhar , T. Sundararajan
DOI: 10.1007/S00231-006-0191-X
关键词:
摘要: A 3D numerical study was carried out to analyze flow, heat and mass transfer first in a single half-cell cathode channel of proton exchange membrane (PEM) fuel cell. From practical point view, it is necessary put the appropriate number cells stack. Hence, above on extended stack channels. Due stacking, assumption uniform flow distribution would no longer hold true. Therefore, flow-maldistribution considered. The water formed at active surface due electrochemical reaction diffuses through porous layer eventually enters gas duct. higher velocities duct result faster vapour removal which leads lower value into hence Nusselt number.
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