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Numerical simulation and re-design optimization of impressed current cathodic protection for an offshore platform with biofouling in seawater
Wang, W.1; Li, W. -H.1; Song, L. -Y.1; Fan, W. -J.1,2; Liu, X. -J.1,2; Zheng, H. -B.1,2
2018-02-01
发表期刊MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
卷号69期号:2页码:239-250
文章类型Article
摘要A finite element model (FEM) of the offshore platform with biofouling is developed here to predict the effectiveness of the ICCP under seawater. Remotely operated vehicle (ROV) test verified that the offshore platform was fully covered by a coating-like biofouling to protect the structures from corrosion. FE-SEM and EDS tests demonstrated that the biofouling deposits on the offshore platform mainly contained magnesium oxides, biofouling deposits, and corrosion products doped with calcium oxides. The polarization relationships of platform steel with biofouling coverage were used as boundary conditions for the numerical simulation. Furthermore, the factors including output current, anode location, seawater conductivity, and biofouling coverage rate, which influenced the protective effectiveness, were comparatively evaluated by FEM. Then, a re-design two-anode ICCP system was employed to keep offshore platform in protective condition. A ROV monitored the potential distributions of the legs and demonstrated that numerical simulation results of ICCP had a good agreement with measured data.
关键词Biofouling Deposits Cathodic Protection Corrosion Offshore Platform Remotely Operated Vehicle (Rov)
DOI10.1002/maco.201709685
收录类别SCI
语种英语
WOS记录号WOS:000423827300009
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/154346
专题海洋腐蚀与防护研究发展中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
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Wang, W.,Li, W. -H.,Song, L. -Y.,et al. Numerical simulation and re-design optimization of impressed current cathodic protection for an offshore platform with biofouling in seawater[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2018,69(2):239-250.
APA Wang, W.,Li, W. -H.,Song, L. -Y.,Fan, W. -J.,Liu, X. -J.,&Zheng, H. -B..(2018).Numerical simulation and re-design optimization of impressed current cathodic protection for an offshore platform with biofouling in seawater.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,69(2),239-250.
MLA Wang, W.,et al."Numerical simulation and re-design optimization of impressed current cathodic protection for an offshore platform with biofouling in seawater".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 69.2(2018):239-250.
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