Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank

First ply failure (FPF) strengths of laminated composite tank subjected to uniform internal pressure loads are studied via both analytical and finite element analysis approaches. The filament-wound CNG carbon fibre reinforced composite tanks are designed with a T6-6061 aluminium cylinder with el...

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Main Author: Mahmud Zuhud, Nurul Zuhairah
Format: Thesis
Language:English
English
Published: 2008
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Online Access:http://psasir.upm.edu.my/id/eprint/5404/1/fk_2008_33.pdf
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spelling my-upm-ir.54042013-05-27T07:22:35Z Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank 2008 Mahmud Zuhud, Nurul Zuhairah First ply failure (FPF) strengths of laminated composite tank subjected to uniform internal pressure loads are studied via both analytical and finite element analysis approaches. The filament-wound CNG carbon fibre reinforced composite tanks are designed with a T6-6061 aluminium cylinder with elliptical end closures acts as the liner which is overwrapped with high modulus carbon fibre-reinforced epoxy composite. The objectives of this study are to optimize the composite layer thickness and to optimize fibre orientation configurations of carbon fibre laminate as to have a lightweight and high performance filament-wound CNG carbon fibre-reinforced composite tanks. In analytical approaches, in order to predict the first-ply failure (FPF) pressure of filament-wound CNG carbon fibre-reinforced composite tanks, the stresses and strains throughout the laminate were determined using the classical lamination theory which were then used in three most common composite failure theories, that are the maximum stress theory, maximum strain theory, and quadratic or Tsai-Wu failure theory. Optimal general design of fibre orientations were then used to carry out in lay-up optimization or arrangement of composite layer stage to be used for filament winding process in order to study the effect of fibre orientation angles using an equal thickness of composite layer on the tank performance. The range of helical angles used is in between 0° to 60°, which is based on the traditional theoretical optimal helical angles from classical lamination theory. The ratio of 2:1 hoop to helical angles is used to predict the maximum first-ply failure (FPF) pressure. The optimization results gave the optimal fibre orientations of the [( ) ] 11 24 30 /− 30 / 90 with b/a = 1.093 for CNG 1, b/a = 1.110 for CNG 2 and b/a = 1.128 for CNG 3 which obtained were then used for stress analysis in finite element analysis using ANSYS version 7.1 software. The accuracy of the theoretical and finite element analysis of first-ply failure (FPF) pressure is verified by a verification study where a similar finite element model from literature have been modelled and analysed using similar method used to design filament wound CNG carbon fibrereinforced composite tanks in order to verify a valid finite element method used. The results were then being compared literature study. 2008 Thesis http://psasir.upm.edu.my/id/eprint/5404/ http://psasir.upm.edu.my/id/eprint/5404/1/fk_2008_33.pdf application/pdf en public masters Universiti Putra Malaysia Faculty of Engineering English
institution Universiti Putra Malaysia
collection PSAS Institutional Repository
language English
English
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Mahmud Zuhud, Nurul Zuhairah
Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
description First ply failure (FPF) strengths of laminated composite tank subjected to uniform internal pressure loads are studied via both analytical and finite element analysis approaches. The filament-wound CNG carbon fibre reinforced composite tanks are designed with a T6-6061 aluminium cylinder with elliptical end closures acts as the liner which is overwrapped with high modulus carbon fibre-reinforced epoxy composite. The objectives of this study are to optimize the composite layer thickness and to optimize fibre orientation configurations of carbon fibre laminate as to have a lightweight and high performance filament-wound CNG carbon fibre-reinforced composite tanks. In analytical approaches, in order to predict the first-ply failure (FPF) pressure of filament-wound CNG carbon fibre-reinforced composite tanks, the stresses and strains throughout the laminate were determined using the classical lamination theory which were then used in three most common composite failure theories, that are the maximum stress theory, maximum strain theory, and quadratic or Tsai-Wu failure theory. Optimal general design of fibre orientations were then used to carry out in lay-up optimization or arrangement of composite layer stage to be used for filament winding process in order to study the effect of fibre orientation angles using an equal thickness of composite layer on the tank performance. The range of helical angles used is in between 0° to 60°, which is based on the traditional theoretical optimal helical angles from classical lamination theory. The ratio of 2:1 hoop to helical angles is used to predict the maximum first-ply failure (FPF) pressure. The optimization results gave the optimal fibre orientations of the [( ) ] 11 24 30 /− 30 / 90 with b/a = 1.093 for CNG 1, b/a = 1.110 for CNG 2 and b/a = 1.128 for CNG 3 which obtained were then used for stress analysis in finite element analysis using ANSYS version 7.1 software. The accuracy of the theoretical and finite element analysis of first-ply failure (FPF) pressure is verified by a verification study where a similar finite element model from literature have been modelled and analysed using similar method used to design filament wound CNG carbon fibrereinforced composite tanks in order to verify a valid finite element method used. The results were then being compared literature study.
format Thesis
qualification_level Master's degree
author Mahmud Zuhud, Nurul Zuhairah
author_facet Mahmud Zuhud, Nurul Zuhairah
author_sort Mahmud Zuhud, Nurul Zuhairah
title Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
title_short Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
title_full Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
title_fullStr Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
title_full_unstemmed Design And Analysis Of Filament- Wound Compressed Natural Gas Carbon Fibre - Reinforced Composite Tank
title_sort design and analysis of filament- wound compressed natural gas carbon fibre - reinforced composite tank
granting_institution Universiti Putra Malaysia
granting_department Faculty of Engineering
publishDate 2008
url http://psasir.upm.edu.my/id/eprint/5404/1/fk_2008_33.pdf
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