Generalized computational model for high-pressure metal hydrides with variable thermal properties

Andrea Mazzucco, Masoud Rokni

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    Abstract

    This study considers a detailed 1D fueling model applied to a metal hydride system, with Ti1.1CrMn as the absorbing alloy, to predict the weight fraction of the absorbed hydrogen and the solid bed temperature. Dependencies of thermal conductivity and specific heat capacity upon pressure and hydrogen content, respectively, are accounted for by interpolating experimental data. The effect of variable parameters on the critical metal hydride thickness is investigated and compared to results obtained from a constant-parameter analysis. Finally, the discrepancy in the metal hydride thickness value is estimated to be approximately 10%. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
    Original languageEnglish
    JournalInternational Journal of Hydrogen Energy
    Volume40
    Issue number35
    Pages (from-to)11470-11477
    ISSN0360-3199
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Hydrogen solid storage
    • High-pressure metal hydrides
    • 1D numerical model

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