In a polymer electrolyte membrane (PEM) fuel cell, the condensed water in the separator-channel prevents the supply of reactants to electrodes, which deteriorates the cell performance. The Lattice Boltzmann simulation has been developed to understand the behavior of condensed water in the separator-channels. The calculation process was improved, and the effect on the stability and reliability of simulation of two-phase flows with large density difference was confirmed. Further, the comparison with experiment of the falling water droplet by gravitation on the slope of micro porous layer was conducted to validate effectiveness of the improved simulation. It was shown that the simulation can express the increase in falling speed of water droplet and the effect of inclined angle of the slope, and our simulation is effective enough to estimate the liquid water and air flow in the separator-channel. Finally, the simulation of liquid water behaviors in separator-channels with various cross-sectional shapes was conducted, and the drain efficiency of water droplet of separator-channel was discussed.
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ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
July 8–12, 2007
Vancouver, British Columbia, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
0-7918-4275-4
PROCEEDINGS PAPER
Numerical Simulation of Liquid Water and Air Flow in Separator-Channels in PEM Fuel Cell Using LBM
Yutaka Tabe,
Yutaka Tabe
Hokkaido University, Sapporo, Hokkaido, Japan
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Kohsuke Kibo,
Kohsuke Kibo
Hokkaido University, Sapporo, Hokkaido, Japan
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Kazushige Kikuta,
Kazushige Kikuta
Hokkaido University, Sapporo, Hokkaido, Japan
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Takemi Chikahisa,
Takemi Chikahisa
Hokkaido University, Sapporo, Hokkaido, Japan
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Masaya Kozakai
Masaya Kozakai
Hitachi, Ltd.
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Yutaka Tabe
Hokkaido University, Sapporo, Hokkaido, Japan
Kohsuke Kibo
Hokkaido University, Sapporo, Hokkaido, Japan
Kazushige Kikuta
Hokkaido University, Sapporo, Hokkaido, Japan
Takemi Chikahisa
Hokkaido University, Sapporo, Hokkaido, Japan
Masaya Kozakai
Hitachi, Ltd.
Paper No:
HT2007-32633, pp. 55-61; 7 pages
Published Online:
August 24, 2009
Citation
Tabe, Y, Kibo, K, Kikuta, K, Chikahisa, T, & Kozakai, M. "Numerical Simulation of Liquid Water and Air Flow in Separator-Channels in PEM Fuel Cell Using LBM." Proceedings of the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2. Vancouver, British Columbia, Canada. July 8–12, 2007. pp. 55-61. ASME. https://doi.org/10.1115/HT2007-32633
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