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Title: Effects of geodesic dome trajectories on the specific strength of composite overwrapped pressure vessels: FE modelling
Authors: Coşkun, T.
Şahin, O.S.
Keywords: Composite pressure vessels
Filament winding
Geodesic dome trajectories
Helical and hoop winding
Performance factor
Polar opening radii
Finite element method
Pressure vessels
Composite overwrapped pressure vessels
Composite pressure vessels
Geodesic dome trajectory
Geodesic domes
Helical and hoop winding
Performance factors
Polar opening radius
Specific strength
Winding angle
Filament winding
Issue Date: 2023
Publisher: Elsevier Ltd
Abstract: In this study, it was aimed to find out geodesic dome trajectories of composite overwrapped pressure vessels, and investigate the effect of dome profiles on the structural performances. In this context, geodesic paths for 0.2, 0.3, 0.4, 0.5 and 0.6 dimensionless polar opening radii were determined by solving elliptical integrals and filament winding angles were calculated throughout the dome and cylindrical portions. Afterward, finite element analysis was performed to obtain mechanical properties by using the Ansys ACP module. As a result of the current study, it has been concluded that dome profile and filament winding angle are highly dependent on the polar opening radii. When the performance factor was considered, it has been determined that the optimum pressure vessel has 0.6 dimensionless polar opening radii. Moreover, it was observed that minimum equivalent stress, strain, deformation and inverse reverse factors have occurred in the pressure vessel with 0.6 dimensionless polar opening radii. Furthermore, it was showed that effective parameters in the mechanical performance of pressure vessels can be optimized to obtain strengthened and lighter structures. © 2022 Hydrogen Energy Publications LLC
ISSN: 0360-3199
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections

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