The appropriate blend proportional factor value which combines two kinds of staggered grids used in Lattice Boltzmann Method (LBM) for simulating the multiphase flow phenomena with large density ratio in the Polymer electrolyte fuel cell (PEFC) is fixed on. The shape deformation of the water droplet is found when using the two kinds of staggered grids to prevent the pressure oscillation when solving the Poisson equation of this LBM model and the shape of the water droplet varies with the changes of the blend proportional factor values. Two methods are adopted to find out the two staggered grids’ appropriate blend proportional factor value that can diminish or minimize the deformation of the droplet. The first one is to compare the simulation results of different blend proportional factors with the theoretical value and find the one mostly approaches the theoretical value; the second one is to compare the current velocity divergences of the two staggered grids using the results calculated by different blend proportional factor values. A water droplet resting in a tunnel is simulated with different blend proportional factor values and the appropriate value is decided.
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ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels
June 19–22, 2011
Edmonton, Alberta, Canada
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4463-2
PROCEEDINGS PAPER
Decision of the Best Blend Proportional Factor Value of Two Staggered Grids Used in LBM for PEFC Simulation Available to Purchase
Jia-ming Gong,
Jia-ming Gong
Hokkaido University, Sapporo, Hokkaido, Japan
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Nobuyuki Oshima,
Nobuyuki Oshima
Hokkaido University, Sapporo, Hokkaido, Japan
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Eru Kurihara,
Eru Kurihara
Hokkaido University, Sapporo, Hokkaido, Japan
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Yutaka Tabe
Yutaka Tabe
Hokkaido Uiversity, Sapporo, Hokkaido, Japan
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Jia-ming Gong
Hokkaido University, Sapporo, Hokkaido, Japan
Nobuyuki Oshima
Hokkaido University, Sapporo, Hokkaido, Japan
Eru Kurihara
Hokkaido University, Sapporo, Hokkaido, Japan
Yutaka Tabe
Hokkaido Uiversity, Sapporo, Hokkaido, Japan
Paper No:
ICNMM2011-58026, pp. 239-248; 10 pages
Published Online:
May 11, 2012
Citation
Gong, J, Oshima, N, Kurihara, E, & Tabe, Y. "Decision of the Best Blend Proportional Factor Value of Two Staggered Grids Used in LBM for PEFC Simulation." Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1. Edmonton, Alberta, Canada. June 19–22, 2011. pp. 239-248. ASME. https://doi.org/10.1115/ICNMM2011-58026
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