Computational analysis of hydrogen storage capacity using process parameters for three different metal hydride materials |
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Authors: | Umran Elmas Fevzi Bedir Muhammet Kayfeci |
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Affiliation: | 1. The Scientific and Technological Research Council of Turkey, 06100 Ankara, Turkey;2. Gebze Technical University, Faculty of Engineering, 41400 Kocaeli, Turkey;3. Karabuk University, Faculty of Technology, 78050 Karabuk, Turkey |
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Abstract: | In this study, hydrogen storage capacity were analyzed by considering hydrogen absorption test rig depending on some reactor design parameters such as metal hydride particle size, having fins at the tank, hydrogen inlet pressure, inlet radius of the tank, coolant temperature, general convective heat transfer coefficient and wall thickness of the tank. In the specified design parameters of the hydrogen storage system we put these in COMSOL Multiphysics 5.1 software to obtain some approaches in the large scale. All parameters were analyzed using three different metal hydrides of the MmNi4,6Al0,4, LaNi4.75Al0.25 and LaNi5. Some parameters like temperature distribution inside the tank, amount of the hydrogen mass to be stored in the tank, the time durations of them and the variations of the equilibrium pressure of the system were optimized. |
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Keywords: | Metal hydride alloys Hydrogen storage tank Absorption Desorption Computational analysis |
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