Numerical simulations using the lattice Boltzmann method (LBM) has been developed to elucidate the dynamic behavior of condensed water in a gas diffusion layer (GDL) of a polymer electrolyte membrane fuel cell (PEFC). Here, a LBM model of two-phase flow with equal densities was applied, because the condensed water behavior is less affected by the gas flow. The simulation results showed that the LBM applied here can simulate dynamic capillary fingering at low migration speeds of liquid water in a GDL, which is similar to the results of the LBM simulation with large density differences. Using the equal density LBM, we conducted efficient large-scale analyses to elucidate the effect of the GDL structure and wettability on the liquid water behavior inside of the GDL.
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ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels
June 16–19, 2013
Sapporo, Japan
Conference Sponsors:
- Fluids Engineering Division
- Heat Transfer Division
ISBN:
978-0-7918-5559-1
PROCEEDINGS PAPER
Numerical Simulation of Condensed Water Behavior in Gas Diffusion Layers of PEFC Using the Lattice Boltzmann Method
Yutaka Tabe,
Yutaka Tabe
Hokkaido University, Sapporo, Hokkaido, Japan
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Ryuji Kamijo,
Ryuji Kamijo
Hokkaido University, Sapporo, Hokkaido, Japan
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Yuji Honjo,
Yuji Honjo
Hokkaido University, Sapporo, Hokkaido, Japan
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Kengo Suzuki,
Kengo Suzuki
Hokkaido University, Sapporo, Hokkaido, Japan
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Takemi Chikahisa
Takemi Chikahisa
Hokkaido University, Sapporo, Hokkaido, Japan
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Yutaka Tabe
Hokkaido University, Sapporo, Hokkaido, Japan
Ryuji Kamijo
Hokkaido University, Sapporo, Hokkaido, Japan
Yuji Honjo
Hokkaido University, Sapporo, Hokkaido, Japan
Kengo Suzuki
Hokkaido University, Sapporo, Hokkaido, Japan
Takemi Chikahisa
Hokkaido University, Sapporo, Hokkaido, Japan
Paper No:
ICNMM2013-73111, V001T07A002; 2 pages
Published Online:
December 4, 2013
Citation
Tabe, Y, Kamijo, R, Honjo, Y, Suzuki, K, & Chikahisa, T. "Numerical Simulation of Condensed Water Behavior in Gas Diffusion Layers of PEFC Using the Lattice Boltzmann Method." Proceedings of the ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. Sapporo, Japan. June 16–19, 2013. V001T07A002. ASME. https://doi.org/10.1115/ICNMM2013-73111
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