Gas channel optimisation for PEM fuel cell using the lattice Boltzmann method

被引：24

作者：

Ben Salah, Yasser ^{[1
]}

Tabe, Yutaka ^{[1
]}

Chikahisa, Takemi ^{[1
]}

机构：

[1] Hokkaido Univ, Div Energy & Environm Syst, Kita Ku, Sapporo, Hokkaido 0608628, Japan

来源：

FUEL CELLS 2012 SCIENCE & TECHNOLOGY - A GROVE FUEL CELL EVENT | 2012年 / 28卷

关键词：

PEM fuel cell; Lattice Boltzmann method; Droplet; Channel design; Large density difference; FLOW CHANNEL; BEHAVIOR;

D O I：

10.1016/j.egypro.2012.08.046

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A scheme for two-phase flow with large density differences using the lattice Boltzmann method (LBM) was applied to investigate the optimum gas channel design for water drainage. Three different channel geometries were used: rectangular, trapezoidal, and triangular with constant gas flow rate and a droplet initially placed at the corner. The results show that the rectangular channel offers the best water removal characteristics under a moderate pressure drop. When using hydrophilic gas channels, a larger droplet is drawn up, which may induce better fuel cell performance. The cases of both channels with the same cross-section area, height and width are discussed. (C) 2012 Published by Elsevier Ltd.

引用

页码：125 / 133

页数：9

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