Abstract
The purpose of this work is to present a two-dimensional transient model of the gas flow in the fuel cell (PEMFC). The model includes various conservation equations such movement and energy equations. The governing equations were resolved by the finite volume method. The objective of this work is to know the maximum temperature and its location in PEMFC and to determine the performance conditions of the fuel cell under the current density and velocity inlet effect. The polarization curve obtained numerically is compared with much numerical work. The numerical results show the regime flow effect and the nature of porous middle on the gas distribution in the membrane electrode assembly (MEA).
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Abbreviations
- C P :
-
Specific heat capacity, J/kg K
- C K :
-
Molar concentration, mol/m3
- D K :
-
Effective diffusivity of species K, m2/s
- E Nernst :
-
Ideal potential, V
- e m :
-
Membrane thickness, m
- F :
-
Faraday constant, 96,487 C/mol
- I :
-
Current density, A/cm2
- i Max :
-
Limit current density, A/cm2
- J a :
-
Transfer current anode, A/cm3
- J c :
-
Transfer current cathode, A/cm3
- P :
-
Pressure, Pa
- R :
-
Gas constant, J/mol K
- S C :
-
Source terms in the species equation
- S T :
-
Source terms in the species equation
- T :
-
Temperature, K
- t :
-
Time, s
- U :
-
Velocity vector, m/s
- V Cell :
-
Real potential, V
- ρ :
-
Density of the gas, kg/m3
- ε :
-
Porosity
- η act :
-
Activation polarization of the anode and the cathode, V
- η ohm :
-
Ohmic polarization, V
- η conc :
-
Concentration polarization of the anode and the cathode, V
- μ :
-
Dynamic viscosity, kg/m s
- a:
-
Anode
- c:
-
Cathode
- m:
-
Membrane
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Haddad, D., Oulmi, K., Benmoussa, H., Aouachria, Z., Youcef, S. (2015). Modeling of Heat Transfer in the PEMFC: Velocity Inlet and Current Density Effect. In: Dincer, I., Colpan, C., Kizilkan, O., Ezan, M. (eds) Progress in Clean Energy, Volume 1. Springer, Cham. https://doi.org/10.1007/978-3-319-16709-1_33
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DOI: https://doi.org/10.1007/978-3-319-16709-1_33
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