Table 3.
Parameters for the DIR‐SOFC model used for model validation 71.
| Parameter / Units | Symbol | Value |
|---|---|---|
| Fuel inlet temperature / K |
|
1,073 |
| Air inlet temperature / K |
|
1,073 |
| Fuel channel inlet velocity / m s−1 |
|
0.171 |
| Air channel inlet velocity / m s−1 |
|
0.171 |
| 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 |
| Porosity / – |
|
0.35 |
| Tortuosity / – |
|
3.8 |
| Fuel channel width / m |
|
0.0022 |
| Air channel width / m |
|
0.0022 |
| Anode diffusion layer width / μm |
|
400 |
| Cathode diffusion layer width / μm |
|
15 |
| Anode catalyst layer width / μm |
|
100 |
| Cathode catalyst layer width / μm |
|
15 |
| Electrolyte width / μm |
|
25 |
| Anode electrode thermal conductivity / W m−1K−1 |
|
3 |
| Cathode electrode thermal conductivity / W m−1K−1 |
|
3.8 |
| Electrolyte thermal conductivity / W m−1K−1 |
|
1.8 |
| Anode convective heat transfer coefficient / W m−2K−1 |
|
57 |
| Cathode convective heat transfer coefficient / W m−2K−1 |
|
49 |
| Anode pre‐exponential coefficient / A m−2 |
|
1.344 × 1010 72 |
| Cathode pre‐exponential coefficient / A m−2 |
|
2.051 × 109 72 |
| Anode activation energy / J gmol−1 |
|
120,000 72 |
| Cathode activation energy / J gmol−1 |
|
100,000 72 |