Abstract
A stability analysis concerning bifurcation to periodic solutions of steady-state solutions has been performed for a model which describes transport phenomena and chemical reaction in a porous catalyst pellet. Extensive numerical simulations have revealed the existence of three scenarios for the generation of self-excited oscillations of the mixture temperature and composition inside the pellet. These are the supercritical and subcritical bifurcations to oscillatory solutions, which occur in the region of single steady-states, and the homoclinic bifurcation in the region of multiple steady-states.
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