Table 2.
Base case operating conditions and kinetic parameters for the DIR‐SOFC model.
| Parameter / Units | Symbol | Value |
|---|---|---|
| Fuel inlet temperature / K |
|
1,173 |
| Air inlet temperature / K |
|
1,173 |
| Fuel channel inlet velocity / m s−1 |
|
0.2 |
| Air channel inlet velocity / m s−1 |
|
5.0 |
| Operating pressure / atm |
|
1 |
| Gas law constant / m3 atm gmol−1 K−1 |
|
8.20575 × 10−5 |
| Viscosity / N s m−2 |
|
2.01 × 10−5 |
| Permeability / m2 |
|
1.98 × 10−10 |
| Faraday's constant / A s gmol−1 |
|
96485.3 |
| Porosity / – |
|
0.46 |
| Tortuosity / – |
|
4.5 |
| Average pore radius / m |
|
2.6 × 10−6 |
| Fuel cell length / m |
|
0.05 |
| Fuel channel width / m |
|
0.0022 |
| Air channel width / m |
|
0.0022 |
| Anode diffusion layer width / m |
|
0.0004 |
| Cathode diffusion layer width / m |
|
0.00015 |
| Anode catalyst layer width / m |
|
0.0001 |
| Cathode catalyst layer width / m |
|
0.00005 |
| Electrolyte width / m |
|
0.0003 |
| Anode interconnect width / m |
|
0.001 |
| Cathode interconnect width / m |
|
0.001 |
| Operating Voltage / V |
|
0.6 |
| MSR reaction activation energy / J mol−1 |
|
82,000 10 |
| MSR reaction pre‐exponential constant / mol s−1 m−2 atm−1 |
|
4,331 10 |
| WGS reaction equilibrium constant / – |
|
1.44 67 |
| WGS reaction pre‐exponential factor / mol s−1 m−2 atm−1 |
|
101.325 67 |