F : Faraday constant, the charge on one mole of electrons, 96,485 Coulombs.
Oxygen stoichiometric ratio, 1.5.
Molar mass of air which is equal to 28.85 × 10-3 kg mole-1
Oxygen content in the air, 0.2095.
Rated power of fuel cell, 500kW. The amount of the inlet air flow rate is equal to 0.3823 kg/s as obtained from (24).