THREE-DIMENSIONAL MULTIPHASE MODEL OF AIRFOIL CROSS FLOW FIELD OF PROTON EXCHANGE MEMBRANE FUEL CELL ON CATHODE SIDE

Liu Qiang; Cheng Tiancai; Mu Dongming; Yang Chengze; Wang Pengkai

doi:10.19912/j.0254-0096.tynxb.2024-0137

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (4) : 58-65. DOI: 10.19912/j.0254-0096.tynxb.2024-0137

THREE-DIMENSIONAL MULTIPHASE MODEL OF AIRFOIL CROSS FLOW FIELD OF PROTON EXCHANGE MEMBRANE FUEL CELL ON CATHODE SIDE

Liu Qiang, Cheng Tiancai, Mu Dongming, Yang Chengze, Wang Pengkai

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Abstract

Based on the inspiration of low flow resistance of aircraft airfoil, a new type of airfoil cross flow field （ACFF） is proposed. Firstly, the geometry of the ACFF is optimized through the utilization of orthogonal tests, to determine the combination of optimal geometric parameters and levels. Subsequently, the impact of the optimized ACFF （ACFF-49) on the output performance of the PEMFC is investigated through the implementation of a three-dimensional numerical analysis method. Finally, the net power density of the cell as a performance metric, is employed to assess the equilibrium between the pressure drop and the effective power within the flow field. The findings demonstrate that the ACFF exhibits enhanced mass transfer proficiency and diminished pumping power loss. Furthermore, the pressure and temperature distributions at the interface of the gas diffusion layer （GDL） and the catalyst layer （CL） are found to be uniform. Additionally, by enhancing the homogeneity of temperature, pressure, and oxygen mass fraction distributions, the probability of local hot spots and water flooding in the PEMFC is diminished.

Key words

PEMFC / hydrothermal management / numerical simulation / orthogonal test / airfoil cross flow field

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Liu Qiang, Cheng Tiancai, Mu Dongming, Yang Chengze, Wang Pengkai. THREE-DIMENSIONAL MULTIPHASE MODEL OF AIRFOIL CROSS FLOW FIELD OF PROTON EXCHANGE MEMBRANE FUEL CELL ON CATHODE SIDE[J]. Acta Energiae Solaris Sinica. 2025, 46(4): 58-65 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0137

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