Sandia and General Motors have successfully designed, fabricated, and experimentally operated a vehicle-scale hydrogen storage demonstration system using sodium alanates. The demonstration system module design and the system control strategies were enabled by experiment-based, computational simulations that included heat and mass transfer coupled with chemical kinetics. Module heat exchange systems were optimized using multi-dimensional models of coupled fluid dynamics and heat transfer. Chemical kinetics models were coupled with both heat and mass transfer calculations to design the sodium alanate vessels. Fluid flow distribution was a key aspect of the design for the hydrogen storage modules and computational simulations were used to balance heat transfer with fluid pressure requirements. An overview of the hydrogen storage system will be given, and examples of these models and simulation results will be described and related to component design. In addition, comparisons of demonstration system experimental results to model predictions will be reported.


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    Title :

    Model-based design of an automotive-scale, metal hydride hydrogen storage system


    Additional title:

    Modellbasierter Entwurf eines Metallhydrid-Wasserstoffspeichersystems für Autoanwendungen




    Publication date :

    2012


    Size :

    15 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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