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Proceedings Paper

Failure assessment of aluminum liner based filament-wound hybrid riser subjected to internal hydrostatic pressure
Author(s): Vishwesh Dikshit; Ong Lin Seng; Muneesh Maheshwari; A. Asundi
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Paper Abstract

The present study describes the burst behavior of aluminum liner based prototype filament-wound hybrid riser under internal hydrostatic pressure. The main objective of present study is to developed an internal pressure test rig set-up for filament-wound hybrid riser and investigate the failure modes of filament-wound hybrid riser under internal hydrostatic burst pressure loading. The prototype filament-wound hybrid riser used for burst test consists of an internal aluminum liner and outer composite layer. The carbon-epoxy composites as part of the filament-wound hybrid risers were manufactured with [±55o] lay-up pattern with total composite layer thickness of 1.6 mm using a CNC filament-winding machine. The burst test was monitored by video camera which helps to analyze the failure mechanism of the fractured filament-wound hybrid riser. The Fiber Bragg Grating (FBG) sensor was used to monitor and record the strain changes during burst test of prototype filament-wound hybrid riser. This study shows good improvements in burst strength of filament-wound hybrid riser compared to the monolithic metallic riser. Since, strain measurement using FBG sensors has been testified as a reliable method, we aim to further understand in detail using this technique.

Paper Details

Date Published: 4 March 2015
PDF: 4 pages
Proc. SPIE 9302, International Conference on Experimental Mechanics 2014, 93021P (4 March 2015); doi: 10.1117/12.2081041
Show Author Affiliations
Vishwesh Dikshit, Nanyang Technological Univ. (Singapore)
Ong Lin Seng, Nanyang Technological Univ. (Singapore)
Muneesh Maheshwari, Nanyang Technological Univ. (Singapore)
A. Asundi, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 9302:
International Conference on Experimental Mechanics 2014
Chenggen Quan; Kemao Qian; Anand Asundi; Fook Siong Chau, Editor(s)

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