MODELING OF TWO PHASE FLOW IN THE CATHODE OF GAS DIFFUSION LAYER OF PROTON EXCHANGE MEMBRANE FUEL CELL

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HASSANZADEH HASSAN; FERDOWSARA AMIN; BARZAGARY MAHBOBA

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:2 Page(s): 55-62

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Title

MODELING OF TWO PHASE FLOW IN THE CATHODE OF GAS DIFFUSION LAYER OF PROTON EXCHANGE MEMBRANE FUEL CELL

Author(s)

HASSANZADEH HASSAN | FERDOWSARA AMIN | BARZAGARY MAHBOBA | Issue Writer Certificate

Keywords

PROTON EXCHANGE MEMBRANE FUEL CELLQ1

GAS DIFFUSION LAYERQ1

TWO PHASE FLOWQ2

Abstract

There is not only air, but both gas and liquid phase of water in the cathode GAS DIFFUSION LAYER of polymer electrolyte fuel cell. The contact and mass transfer between these two phases influence main parameters of TWO PHASE FLOW in cathode GAS DIFFUSION LAYER and also fuel cell’s performance. In this paper through the investigating of the impact of considering the contact and mass transfer between liquid and gas phase of water, the main parameters of two phases flow such as capillary pressure, saturation, mole concentrations of gas species, gas velocity and liquid velocity is evaluated. Besides, the impact of changing the value of cathode channel humidity and fuel cell temprature on the value of the named parameters is invetigated. In order to calculating the exact amount of water which passes throgh the membrane’s boundry precisely, the water flow in the nafion membrane is modelled too. The results show that decreasing of relative humidity in the cathode channel from 90% to 70%, increase the amount of outlet vapor up to 300%. Beside that, decreasment in relative humedity leads to a decrease in the liquid water velocity, capillary pressure gradient and saturation gradient in the GDL. Increasing the temperature causes an increase in the rate of water vaporization and a decrease in the gas velocity and gas pressure gradient.

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APA: Copy

HASSANZADEH, HASSAN, FERDOWSARA, AMIN, & BARZAGARY, MAHBOBA. (2014). MODELING OF TWO PHASE FLOW IN THE CATHODE OF GAS DIFFUSION LAYER OF PROTON EXCHANGE MEMBRANE FUEL CELL. MODARES MECHANICAL ENGINEERING, 14(2), 55-62. SID. https://sid.ir/paper/178367/en

Vancouver: Copy

HASSANZADEH HASSAN, FERDOWSARA AMIN, BARZAGARY MAHBOBA. MODELING OF TWO PHASE FLOW IN THE CATHODE OF GAS DIFFUSION LAYER OF PROTON EXCHANGE MEMBRANE FUEL CELL. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(2):55-62. Available from: https://sid.ir/paper/178367/en

IEEE: Copy

HASSAN HASSANZADEH, AMIN FERDOWSARA, and MAHBOBA BARZAGARY, “MODELING OF TWO PHASE FLOW IN THE CATHODE OF GAS DIFFUSION LAYER OF PROTON EXCHANGE MEMBRANE FUEL CELL,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 2, pp. 55–62, 2014, [Online]. Available: https://sid.ir/paper/178367/en

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