| Studying the heat-mass transfer and multi-spices electric-chemical reaction, a dynamic temperature model was deduced for molten-Carbonate fuel cell stack. The thermal radiation, shift reaction, and the change of gas spices were considered in this model. Establishing momentum equation, the paper has developed a 3D temperature and flow fields model for MCFC stack based on CFD technique. The change of momentum and thermal property were considered in this model. Detail results of temperature and flow fields have been got through solving model by different methods. The predominant effect factors on the temperature of MCFC stack ware also analyzed in the paper.
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