Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure

In offshore engineering, the pipe is the critical component for oil and gas transportation. Its integrity directly influences the transport of oil and gas. Steel strip reinforced thermoplastic pipe (SSRTP), as a new type of unbonded flexible pipe, has come into application in the marine resource tra...

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Main Author: W.Y. Kuang
Format: Article
Language:English
Published: KeAi Communications Co. Ltd. 2021-06-01
Series:Journal of Pipeline Science and Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2667143321000317
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author W.Y. Kuang
author_facet W.Y. Kuang
author_sort W.Y. Kuang
collection DOAJ
description In offshore engineering, the pipe is the critical component for oil and gas transportation. Its integrity directly influences the transport of oil and gas. Steel strip reinforced thermoplastic pipe (SSRTP), as a new type of unbonded flexible pipe, has come into application in the marine resource transportation field because of its good mechanical performance. The severe and complex subsea conditions make SSRTP subjected to principal loading cases. To monitor the working condition of SSRTP, in this article, the possibility of Fiber bragg grating (FBG) monitoring has been discussed to achieve real-time measurement of hoop strain on the sheath under internal pressure. The experimental results are in good agreement with the finite element analysis (FEA) results, which indicates that hoop stain on the sheath can serve as a monitoring parameter and preliminarily realize the health monitoring of SSRTP with the help of FBG technology. Parametric analysis is further conducted to better understand the mechanical performance of SSRTP based on the proposed monitoring parameter. The results indicate that SSRTP takes better advantage of material properties, compared with the steel pipe with the same dimension; the hoop strain on the sheath is slightly decreased by the friction between layers, but is significantly affected by the geometry of SSRTP due to the change of the radial stiffness.
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spelling doaj.art-c0ff0ce4d5db4841a57a08c45111c9bd2022-12-21T18:45:02ZengKeAi Communications Co. Ltd.Journal of Pipeline Science and Engineering2667-14332021-06-0112233240Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressureW.Y. Kuang0Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, E1A-02-04, Singapore 117576, SingaporeIn offshore engineering, the pipe is the critical component for oil and gas transportation. Its integrity directly influences the transport of oil and gas. Steel strip reinforced thermoplastic pipe (SSRTP), as a new type of unbonded flexible pipe, has come into application in the marine resource transportation field because of its good mechanical performance. The severe and complex subsea conditions make SSRTP subjected to principal loading cases. To monitor the working condition of SSRTP, in this article, the possibility of Fiber bragg grating (FBG) monitoring has been discussed to achieve real-time measurement of hoop strain on the sheath under internal pressure. The experimental results are in good agreement with the finite element analysis (FEA) results, which indicates that hoop stain on the sheath can serve as a monitoring parameter and preliminarily realize the health monitoring of SSRTP with the help of FBG technology. Parametric analysis is further conducted to better understand the mechanical performance of SSRTP based on the proposed monitoring parameter. The results indicate that SSRTP takes better advantage of material properties, compared with the steel pipe with the same dimension; the hoop strain on the sheath is slightly decreased by the friction between layers, but is significantly affected by the geometry of SSRTP due to the change of the radial stiffness.http://www.sciencedirect.com/science/article/pii/S2667143321000317Steel strip reinforced thermoplastic pipe (SSRTP)Internal pressureMonitoring parameterParametric analysisHoop strain
spellingShingle W.Y. Kuang
Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
Journal of Pipeline Science and Engineering
Steel strip reinforced thermoplastic pipe (SSRTP)
Internal pressure
Monitoring parameter
Parametric analysis
Hoop strain
title Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
title_full Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
title_fullStr Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
title_full_unstemmed Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
title_short Numerical study of strain-based monitoring parameter on steel strip reinforced thermoplastic pipe (SSRTP) under internal pressure
title_sort numerical study of strain based monitoring parameter on steel strip reinforced thermoplastic pipe ssrtp under internal pressure
topic Steel strip reinforced thermoplastic pipe (SSRTP)
Internal pressure
Monitoring parameter
Parametric analysis
Hoop strain
url http://www.sciencedirect.com/science/article/pii/S2667143321000317
work_keys_str_mv AT wykuang numericalstudyofstrainbasedmonitoringparameteronsteelstripreinforcedthermoplasticpipessrtpunderinternalpressure