Numerical simulation of mixed convection in anode of a passive direct methanol fuel cell - 文章详情页

作者：

Guo, Hang (Guo, Hang.) (学者：郭航) | Yang, Liang (Yang, Liang.) | Ye, Fang (Ye, Fang.) | Ma, Chong-Fang (Ma, Chong-Fang.)

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摘要：

A　two-dimensional,　non-isothermal,　steady-state　modeling　for　anode　and　membrane　of　a　passive　direct　methanol　fuel　cell　is　presented　with　consideration　of　its　operation　characteristics.　Computational　results　show　that　the　temperature　distribution　inside　anode　and　membrane　is　not　homogeneous.　Highest　temperature　is　in　anodic　catalyst　layer.　Temperature　of　membrane　is　higher　than　that　of　anodic　gas　diffusion　layer.　As　a　result　of　forced　convection　caused　by　fuel　supply　and　consumption,　temperature　and　velocity　fields　of　mixed　convection　inside　passive　direct　methanol　fuel　cell　are　different　from　that　of　natural　convection.　This　difference　is　analyzed　numerically　using　the　model.

关键词：

Anodes Computer simulation Diffusion in gases Direct methanol fuel cells (DMFC) Heat transfer Methanol Methanol fuels Mixed convection Numerical models Velocity

作者机构：

[ 1 ] [Guo, Hang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Yang, Liang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Ye, Fang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Ma, Chong-Fang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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