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Thermal Validation and Design Study of Fast Filling of Hydrogen Tank
Technical Paper
2022-01-0688
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
For fuel cell vehicles, it is essential that the hydrogen tank be both compact and have sufficient hydrogen to ensure reasonable driving range for which there is a need to pressurize the hydrogen in the tank at levels much higher than that of atmospheric pressure. Furthermore, fast filling is an important consideration in order to minimize time to refuel hydrogen in the tank.
In this article, we investigate a Computational Fluid Dynamics (CFD) methodology to see whether we can simulate the fast filling of the hydrogen tank. We performed simulations on an existing validation case using coupled simulation approach between the PowerFLOW® flow solver and PowerTHERM® the thermal solver. For an accurate simulation at elevated pressure levels, we implemented a real gas behavior that is more accurate than the ideal gas equation of state for under these conditions.
We observe good agreement with experimental data for both bulk and local variations in temperature. We observe reasonable results for a design variant where the tank material was changed. Therefore, we see the relevance of a simulation-based approach to validation and optimization of a hydrogen tank design.
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Citation
Wang, J., kandasamy, S., Li, H., Zhou, Y. et al., "Thermal Validation and Design Study of Fast Filling of Hydrogen Tank," SAE Technical Paper 2022-01-0688, 2022, https://doi.org/10.4271/2022-01-0688.Also In
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