Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea

Corrosion in the marine environment is a complex and expensive form of damage. It is commonly studied by the deployment of coupons that reflect the marine corrosion a structure will experience, thus allowing design and maintenance prevention strategies to be developed accordingly. This study stems f...

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Main Authors: Waseem Khodabux, Paul Causon, Feargal Brennan
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/10/2518
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author Waseem Khodabux
Paul Causon
Feargal Brennan
author_facet Waseem Khodabux
Paul Causon
Feargal Brennan
author_sort Waseem Khodabux
collection DOAJ
description Corrosion in the marine environment is a complex and expensive form of damage. It is commonly studied by the deployment of coupons that reflect the marine corrosion a structure will experience, thus allowing design and maintenance prevention strategies to be developed accordingly. This study stems from the lack of information in the literature regarding the profiling of corrosion with respect to marine depth in the North Sea where important wind farm developments have been undertaken. To address such issue a field experiment has been designed and carried out in the vicinity of the Westermost Rough Windfarm in the North Sea. The field experiment consists of deploying steel S355 coupons below the tidal area and capturing the effects of corrosion, the mass loss from which the corrosion rate is derived and the chemical products that makes up the rust with water depth. The study involves proper planning and logistics to ensure that the field experiment survives the rough conditions of the North Sea for a duration of 111 days. A high corrosion rate of 0.83 mm/year has been observed in this experiment. This paper goes into the details of the deployment blueprint employed and the analyses of the coupons to provide a conclusive observation and modelling of corrosion with respect to water depth under free or open sea water corrosion condition.
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spelling doaj.art-218ebdb11db34bf0b5a9c4e2e5e9add32023-11-20T00:38:45ZengMDPI AGEnergies1996-10732020-05-011310251810.3390/en13102518Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North SeaWaseem Khodabux0Paul Causon1Feargal Brennan2School of Water, Energy and the Environment, Renewable Energy Marine Structures—Centre for Doctoral Training (REMS-CDT), Cranfield University, Bedfordshire MK43 0AL, UKSchool of Water, Energy and the Environment, Renewable Energy Marine Structures—Centre for Doctoral Training (REMS-CDT), Cranfield University, Bedfordshire MK43 0AL, UKDepartment of Naval Architecture, Ocean & Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, UKCorrosion in the marine environment is a complex and expensive form of damage. It is commonly studied by the deployment of coupons that reflect the marine corrosion a structure will experience, thus allowing design and maintenance prevention strategies to be developed accordingly. This study stems from the lack of information in the literature regarding the profiling of corrosion with respect to marine depth in the North Sea where important wind farm developments have been undertaken. To address such issue a field experiment has been designed and carried out in the vicinity of the Westermost Rough Windfarm in the North Sea. The field experiment consists of deploying steel S355 coupons below the tidal area and capturing the effects of corrosion, the mass loss from which the corrosion rate is derived and the chemical products that makes up the rust with water depth. The study involves proper planning and logistics to ensure that the field experiment survives the rough conditions of the North Sea for a duration of 111 days. A high corrosion rate of 0.83 mm/year has been observed in this experiment. This paper goes into the details of the deployment blueprint employed and the analyses of the coupons to provide a conclusive observation and modelling of corrosion with respect to water depth under free or open sea water corrosion condition.https://www.mdpi.com/1996-1073/13/10/2518North Seamass losschemical analysiscorrosion ratesea depth
spellingShingle Waseem Khodabux
Paul Causon
Feargal Brennan
Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
Energies
North Sea
mass loss
chemical analysis
corrosion rate
sea depth
title Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
title_full Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
title_fullStr Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
title_full_unstemmed Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
title_short Profiling Corrosion Rates for Offshore Wind Turbines with Depth in the North Sea
title_sort profiling corrosion rates for offshore wind turbines with depth in the north sea
topic North Sea
mass loss
chemical analysis
corrosion rate
sea depth
url https://www.mdpi.com/1996-1073/13/10/2518
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