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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Simulation workflow of filament wound carbon composite tanks for pressurized hydrogen storage

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Ali, Nazim ULiège
Promotor(s) : Rigo, Philippe ULiège
Academic year : 2022-2023 • Permalink : http://hdl.handle.net/2268.2/18048
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Title : Simulation workflow of filament wound carbon composite tanks for pressurized hydrogen storage
Author : Ali, Nazim ULiège
Advisor(s) : Rigo, Philippe ULiège
Committee's member(s) : Rigo, Philippe ULiège
Language : English
Number of pages : 115
Keywords : [fr] Composite Overwrapped Pressure Vessel (COPV)
Discipline(s) : Engineering, computing & technology > Civil engineering
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master : ingénieur civil mécanicien, à finalité spécialisée en "Advanced Ship Design"
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[fr] Manufacturing of filament wound composite overwrapped pressure vessels (COPVs) is a complicated process in which the process parameters such as fibre tension, mandrel rotational speed, liner internal pressure, ply drop off and turn around, and physical properties of resin (temperature and viscosity) can substantially affect the strength and quality of the filament wound pressure vessels. Additionally, the layup pattern of the hoop and helical plies also strongly affects the overall mechanical behaviour of the composite overwrapped pressure vessel (COPV). The microscopy of the tested composite pressure vessel is performed to study the distribution of the resin and fibres across the radial and meridional directions of the overwrapped composite laminate. Various imperfections like porosities, delamination, fibre cracking, accumulation of resin and dry fibres in localized regions are observed during microscopy. The experimentation cost for the prediction of the mechanical behaviour of composite overwrapped pressure vessel (COPV) under static and dynamic loading conditions is quite high which emphasizes the utilization of the finite element methods during the preliminary design stage. Finite element (FE) modelling of the composite overwrapped pressure vessel (COPV) requires a high-quality mesh model of overwrapped composite laminate along with the accurate assignment of material orientation to each element of the composite ply. A comparison of different modelling and analysis tools, such as ComposicaD and WoundSim, along with other methodologies, is conducted to develop a high-fidelity finite element (FE) model for the analysis of the composite overwrapped pressure vessels (COPV). Every tool has its own advantages and disadvantages, and it is observed that the best suitable methodology can be developed by combining positive features of multiple tools. Finally, the converged mesh model obtained from HyperMesh software is employed to study the static and dynamic behaviour of composite overwrapped pressure vessel (COPV).


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  • Ali, Nazim ULiège Université de Liège > Master ing. civ. méc. (EMSHIP+)

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