Numerical Simulation of Fractal Tree-Shaped Flow Field Structures in PEMFC

Jin Hua Dong; Shun Fang Liu

doi:10.4028/www.scientific.net/AMM.151.32

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 151Numerical Simulation of Fractal Tree-Shaped Flow...

Numerical Simulation of Fractal Tree-Shaped Flow Field Structures in PEMFC

Abstract:

The fractal tree-shaped structure such as tree, plant root, leaves, animal lung and so on is universal and unique in nature. These structures possess the symmetric micro-channel distributions and the efficient transport characteristics. They are considered to be an optimal network channel of mass transfer and heat transfer. The mass transfer and heat transfer feature of bipolar plate in proton exchange membrane fuel cell (PEMFC) is similar with animal lungs and leaves. In this paper, fractal theory is used to study tree-shaped flow field structure of bipolar plate in PEMFC. It is demonstrated by numerical simulation that fractal tree-shaped flow field structure can provide substantially flow-field distribution, current density and heat transfer compared to the traditional flow field structure.

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Periodical:

Applied Mechanics and Materials (Volume 151)

Pages:

32-35

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.151.32

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Online since:

January 2012

Authors:

Jin Hua Dong, Shun Fang Liu

Keywords:

Flow Field, Fractal, Numerical Simulation, PEMFC, Tree-Shaped

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