Type of Document	Master's Thesis
Author	Kestell, Gayle M
URN	etd-02242010-171153
Title	Model of chromium poisoning in the cathode of a solid oxide fuel cell using the lattice Boltzmann method
Degree	Master of Science
Department	Mechanical Engineering
Advisory Committee	Advisor Name Title von Spakovsky, Michael R. Committee Chair Ellis, Michael W. Committee Member Lu, P. Kathy Committee Member Reynolds, William T. Jr. Committee Member
Keywords	chromium poisoning Kinetic Theory Lattice Boltzmann Method SOFC Fuel Cell
Date of Defense	2010-02-12
Availability	restricted
Abstract The metallic interconnect of a solid oxide fuel cell (SOFC) contains chromium in order to protect the metal from the corrosive environment in the fuel cell. Unfortunately, the chromium introduces chemical instability in the cathode as it migrates from the interconnect to the pores in the cathode. A model was developed previously in Asinari et al. [1] and Kasula et al [2] to model the flow of particles in a fuel cell electrode. To learn more about the migration of the chromium, the previous code is modified in this thesis work to include the effects of the chromium. The model uses Kinetic Theory to simulate the fuel cell at a mesoscopic scale. The discretized form of the Lattice Boltzmann equation is modified for enhanced performance and for use on a parallel processing system. With the new model, the migration of the chromium in the cathode and the performance degradation of the fuel cell are predicted.
Files	Filename       Size       Approximate Download Time (Hours:Minutes:Seconds)     28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access  Kestell_GM_T_2010.pdf 3.93 Mb 00:18:11 00:09:21 00:08:11 00:04:05 00:00:20 indicates that a file or directory is accessible from the Virginia Tech campus network only.

If you have questions or technical problems, please Contact DLA.