Browsing by Autor "Daikenel Castro"

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    Optimal Design, Modeling and Simulation of an Ethanol Steam Reforming Reactor
    (De Gruyter, 2009) Luis E. Arteaga‐Pérez; Luis Mario Floría Peralta; Yannay Casas-Ledón; Daikenel Castro
    The optimum design, modeling and simulation of a fixed bed multi-tube reformer for the renewable hydrogen production are carried out in the present paper. The analogies between plug flow model and a fixed bed reactor are used as design patterns. The steam reformer is designed to produce enough hydrogen to feed a 200kW fuel cell system (>2.19molH/s) and considering 85% of fuel utilization in the cell electrodes. The reactor prototype is optimized and then analyzed using a multiphysics and axisymmetric model, implemented on FEMLABM(R) where the differential mass balance by convection-diffusion and the energy balance for convection-conduction are solved. The temperature profile is controlled to maximize hydrogen production. The catalyst bed internal profiles and the effect of temperature on ethanol conversion and carbon monoxide production are discussed as well.