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조황묵(H.M. Cho),이경원(K.W. Lee),최도형(D H. Choi) 한국전산유체공학회 2003 한국전산유체공학회 학술대회논문집 Vol.2003 No.-
An analysis procedure for the MCFC channel flow has been developed to predict the fuel cell performance, As for the electrochemical reaction, among several chemical reaction models, one that fits the data best is adopted after a comprehensive comparative study. The Navier-Stokes, energy, and species equations are solved to obtain the velocity, temperature and concentration fields for a specified average current density, The procedure is iterative as the local current density, or the reaction rate, is allowed to vary with the gas composition. A series of calculations are then carried out to examine the effects of gas flow rate, gas composition, gas usage rate, inlet gas temperature, and average current density on the fuel cell performance, The fuel cell characteristics, such as the temperature, current density distributions, and the concentration fields, for various operating conditions are presented and discussed.