A Study on the Design Safety of Type III High-Pressure Hydrogen Storage Vessel 


Vol. 34,  No. 5, pp. 7-14, Oct.  2019
10.14346/JKOSOS.2019.34.5.7


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  Abstract

The type III vessel, which is used to store high-pressure hydrogen gas, is made by wrapping the vessel’s liner with carbon fiber composite materials for strength performance and lightening. The liner seals the internal gas and the composite resists the internal pressure. The properties of the fiber composite material depends on the angle and thickness of the fiber. Thus, engineers should consider these various design variables. However, it significantly increases the design cost due to the trial and error under designing based on experience or experiments. And, for aluminum liners, fatigue loads due to using and charging could give a huge impact on the performance of the structure. However, fatigue failure does not necessarily occur in the position under the highest load in use. Therefore, for hydrogen storage vessel, fatigue evaluation according to design patterns is essential because stress distribution varies depend on composite layer patterns. This study performed an optimization analysis and evaluated a high-pressure hydrogen storage vessel to minimize these trial and error and improve the reliability of the structure, while simultaneously conducting fatigue assessment of all patterns derived from the optimization analysis process. The results of this study are thought to be useful in the strength improvement and life design of composite reinforced high-pressure storage vessels.

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  Cite this article

[IEEE Style]

박우림, 전상구, 김송미, 권오헌, "A Study on the Design Safety of Type III High-Pressure Hydrogen Storage Vessel," Journal of the Korean Society of Safety, vol. 34, no. 5, pp. 7-14, 2019. DOI: 10.14346/JKOSOS.2019.34.5.7.

[ACM Style]

박우림, 전상구, 김송미, and 권오헌. 2019. A Study on the Design Safety of Type III High-Pressure Hydrogen Storage Vessel. Journal of the Korean Society of Safety, 34, 5, (2019), 7-14. DOI: 10.14346/JKOSOS.2019.34.5.7.

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