W_H2 2[mm] "Hydrogen compartment width" W_sep 1[mm] "Separator width" W_O2 2[mm] "Oxygen compartment width" W_cell W_H2+W_sep+W_O2 "Cell width" H_elec 0.1[m] "Electrode height" T 70[degC] "Operating temperature" p_gas 1[atm] "Gas pressure" p_vapor 0.61121*exp((18.678-(T-0[degC])/234.5[K])*((T-0[degC])/(257.14+T-0[degC])))[kPa] "Vapor pressure" xH2O p_vapor/p_gas "Water molar fraction in gas phase" xH2 1-xH2O "Hydrogen molar fraction in gas phase" xO2 1-xH2O "Oxygen molar fraction in gas phase" d_bubble 50[um] "Bubble diameter" v_in_H2 0.1[m/s] "Average inlet velocity, hydrogen side" v_in_O2 0.1[m/s] "Average inlet velocity, oxygen side" K_H2_div_d 5[m/s] "Hydrogen mix bubble dispersion factor" K_O2_div_d K_H2_div_d*2 "Oxygen mix bubble dispersion factor" i0_ref_H2 1e2[A/m^2] "Exchange current density, hydrogen oxidation" i0_ref_O2 1[A/m^2] "Exchange current density, oxygen reduction" MH2O 18[g/mol] "Water molar mass" MO2 32[g/mol] "Oxygen molar mass" MH2 2[g/mol] "Hydrogen molar mass" MOH 17[g/mol] "Hydroxide molar mass" eps_sep 0.3 "Separator porosity" t 0[s] "Dummy parameter for stationary study steps" c_KOH 6[M] "Electrolyte concentration" E_cell 1.2[V] "Cell voltage"