The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2013
Session ID : I142
Conference information
I142 LBM Analysis of the Effect of Wettability Distribution on Liquid Water Transport in GDL of PEM FC
Yuji HonjoKengo SuzukiYutaka TabeTakemi Chikahisa
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
Flooding is one of the problems to be solved for practical use of PEFC. In this study, the numerical simulation using the lattice Boltzmann method (LBM) was developed to elucidate the liquid water behavior in a gas diffusion layer. In the equal density LBM code developed by the authors, there is a problem that setting value of water flow rate was not ensured. This paper explains the applied improvements for setting the inlet boundary conditions, keeping the fast calculation for the large-scale simulation, and the improved results. The instability of simulation, however, still remains as an unsolved issue, and the cause is also discussed.
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© 2013 The Japan Society of Mechanical Engineers
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