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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Elizalde-Blancas, Francisco Yavuz, Ibrahim Pakalapati, Suryanarayana Celik, Ismail |
| Copyright Year | 2006 |
| Abstract | The optimization process is in general an important issue to show the viability of solid oxide fuel cells (SOFCs) compared to traditional power sources. This optimization process can be done in a faster and cheaper way by making use of numerical simulations. In this study, three-dimensional, non-isothermal, steady state numerical simulations of planar solid oxide fuel cells (SOFC) are performed using the commercial FLUENT software. First, a detailed analysis of grid and iteration-dependent simulations is performed. This analysis predicts a 20% difference between a coarse and fine grid in the velocity magnitude in both anode and cathode gas flow channels, and in the y-component of current density. Then, the performance of a planar SOFC with changing channel aspect ratio is analyzed comparing their V-I curves and critical parameters like temperature, concentration, and current density distributions. The predictions show a 12 degrees difference in temperature at the fuel exhaust between low and high aspect ratio channel simulations. These results suggest that the channel aspect ratio is a significant parameter, worthwhile to be investigated. |
| Sponsorship | Nanotechnology Institute |
| Starting Page | 733 |
| Ending Page | 740 |
| Page Count | 8 |
| File Format | |
| ISBN | 0791842479 |
| DOI | 10.1115/FUELCELL2006-97222 |
| e-ISBN | 0791837807 |
| Volume Number | ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B |
| Conference Proceedings | ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology |
| Language | English |
| Publisher Date | 2006-06-19 |
| Publisher Place | Irvine, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Solid oxide fuel cells Temperature Computer simulation Computer software Fuels Steady state Optimization Exhaust systems Simulation Gas flow Engineering simulation Current density Anodes |
| Content Type | Text |
| Resource Type | Article |
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