Studying hydrogen desorption in metal-hydrogen reactors is important for the usage and commercialization of hydrogen energy. In this article, we consider a cylindrical metal-H_2 reactor and present a finite-difference scheme for simulating the heat and mass transfer between LaNis and H_2 during the desorption of hydrogen in the reactor, by using a two-dimensional (2D) mathematical model. Numerical results including temperature, gas and solid densities are obtained.
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