Conception et durabilité de réservoirs en composites destinés au stockage de l’hydrogène

Abstract : Presently, the compressed hydrogen storage under high pressure appears to be the most sophisticated solution regarding to a compromise of mass, service pressure and also volume of pressure vessels. However, the challenges of pressure vessels nowadays are their performance improvement as well as their cost reduction. In this context, we studied the type IV hydrogen storage pressure vessel in carbon fibre/epoxy composites. This work aims to obtain a reliable pressure vessel design. Firstly, an experimental study of associated materials and pressure vessel characterisation has been carried out. Then, we proposed a probabilistic model for a composite which is dedicated in particular to fibre breakage using multi-scale simulations in accordance with its mechanical and physical properties. Once this model joined with damage criteria dedicated separately to the others damage mechanisms are integrated into the pressure vessel simulations. Finally, recommendations on composite pressure vessels have been proposed in order to improve their performances and to decrease the mass of composite directly corresponding to the reduction of composite pressure vessels cost.
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Baramee Patamaprohm. Conception et durabilité de réservoirs en composites destinés au stockage de l’hydrogène. Mécanique des matériaux [physics.class-ph]. Ecole Nationale Supérieure des Mines de Paris, 2014. Français. ⟨NNT : 2014ENMP0021⟩. ⟨tel-02018105⟩

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