Hydrogen storage remains a key issue for the high scale deployment of fuel cell applications. Gaseous hydrogen storage at high pressure with type IV vessels is the best technology. But it is necessary to reach a significant cost reduction of these storage systems. An optimization of the composite structure can be reached by numerical simulation. The goal of the OSIRHYS IV project is to develop and validate models and methods for composite high pressure design and optimization with behavior uncertainties knowledge. It was decided to limit this study to a particular topology, material and winding process. First burst simulations have been performed and results of linear static computations have been compared to experimental data. The numerical simulation models are compared with regards to vessel component masses, burst pressure, burst mode and local displacements. Results show that linear static analyses using axisymmetric and volume FE models could already predict with a reasonable accuracy the radial behavior of the tank in the case of a safe burst mode. Nevertheless, improvements of partner models are needed to reach better agreement with test data. These improvements need to be based on material and vessel geometry knowledge, behavior modelling and the FE model.
- Pressure Vessels and Piping Division
OSIRHYS IV Project, 700 Bar On-Board Composite Pressure Vessel Mechanical Behaviour Prediction With Uncertainties Knowledge
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Villalonga, S, Kempeneers, M, Saffre´, P, Renard, J, Halm, D, & Nony, F. "OSIRHYS IV Project, 700 Bar On-Board Composite Pressure Vessel Mechanical Behaviour Prediction With Uncertainties Knowledge." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 6: Materials and Fabrication, Parts A and B. Baltimore, Maryland, USA. July 17–21, 2011. pp. 97-106. ASME. https://doi.org/10.1115/PVP2011-57668
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