NDLI: Numerical Simulation of Liquid Water and Air Flow in Separator-Channels in PEM Fuel Cell Using LBM

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Tabe, Yutaka Kibo, Kohsuke Kikuta, Kazushige Chikahisa, Takemi Kozakai, Masaya
Copyright Year	2007
Abstract	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.
Sponsorship	Heat Transfer Division
Starting Page	55
Ending Page	61
Page Count	7
File Format	PDF
ISBN	0791842754
DOI	10.1115/HT2007-32633
e-ISBN	0791838013
Volume Number	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2
Conference Proceedings	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
Language	English
Publisher Date	2007-07-08
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Water Stability Computer simulation Gravity (force) Lattice boltzmann methods Density Electrodes Air flow Proton exchange membranes Simulation Two-phase flow Fuel cells Drops Shapes Reliability Proton exchange membrane fuel cells
Content Type	Text
Resource Type	Article

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