Abstract
A numerical model for two-dimensional transient heat and mass transfer within metal hydride reaction beds is presented. The model can be used to describe the two-dimensional heat and mass transfer problems in cylindrical and rectangular coordinates, and the one-dimensional problems in cylindrical, rectangular and spherical coordinates. A detailed numerical method to solve these problems is discussed. The numerical solution based on finite difference approximations in which the alternating-direction implicit method is used. Examples of the numerical predictions of temperature distributions within the reaction beds and cumulative reacted hydrogen distributions based on the model are compared with the experimental data obtained in our experiments. The comparisons show good agreements.
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