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A local scour self-sensing method for offshore wind power monopile based on ultra-weak Fiber Bragg Grating.

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Title: A local scour self-sensing method for offshore wind power monopile based on ultra-weak Fiber Bragg Grating.
Authors: Han, Heming1,2 (AUTHOR), Shi, Bin1,2 (AUTHOR), Zha, Fusheng1 (AUTHOR), Wei, Guangqing3 (AUTHOR), Meng, Zhihao4 (AUTHOR), Tan, Daoyuan1 (AUTHOR)
Source: Ocean Engineering. Aug2025, Vol. 334, pN.PAG-N.PAG. 1p.
Subjects: Fiber Bragg gratings, Offshore wind power plants, Wind power, Wind power plants, Mariculture
Abstract: As the most widely used foundation type in offshore wind farms, the stability of monopile foundations is crucial. Monopile scour, one of the main factors threatening the safe operation of wind turbines, has become a major research focus. On-site scour monitoring technology is a key tool for studying its catastrophic mechanism and providing early warnings of monopile instability. However, existing scour monitoring technologies face challenges in achieving efficient, accurate, and long-term monitoring. This paper proposed a self-sensing method for monopile scour based on ultra-weak Fiber Bragg Grating (UWFBG) sensing technology. The distributed strain data from the monopile are captured by the optical sensing cable, and the scour around the monopile is assessed by analyzing the strain distribution characteristics. The proposed method is validated through application to a wind farm located in the Bohai Sea, China. The results demonstrate that this method enables self-sensing of the monopile scour depth, and the scour-prone depth can be determined by analyzing the evolution of the strain curve. • A self-sensing method for monopile scour monitoring based on UWFBG is proposed. • The method enables efficient, accurate, and long-term monitoring of monopile scour. • The erosion-prone areas are identified by analyzing strain distribution characteristics. • Field validation was conducted at a wind farm in the Bohai Sea, China. [ABSTRACT FROM AUTHOR]
Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 185990129
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: A local scour self-sensing method for offshore wind power monopile based on ultra-weak Fiber Bragg Grating.
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  Data: <searchLink fieldCode="AR" term="%22Han%2C+Heming%22">Han, Heming</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Bin%22">Shi, Bin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zha%2C+Fusheng%22">Zha, Fusheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Guangqing%22">Wei, Guangqing</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meng%2C+Zhihao%22">Meng, Zhihao</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tan%2C+Daoyuan%22">Tan, Daoyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ocean+Engineering%22">Ocean Engineering</searchLink>. Aug2025, Vol. 334, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Fiber+Bragg+gratings%22">Fiber Bragg gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Offshore+wind+power+plants%22">Offshore wind power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Wind+power%22">Wind power</searchLink><br /><searchLink fieldCode="DE" term="%22Wind+power+plants%22">Wind power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Mariculture%22">Mariculture</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: As the most widely used foundation type in offshore wind farms, the stability of monopile foundations is crucial. Monopile scour, one of the main factors threatening the safe operation of wind turbines, has become a major research focus. On-site scour monitoring technology is a key tool for studying its catastrophic mechanism and providing early warnings of monopile instability. However, existing scour monitoring technologies face challenges in achieving efficient, accurate, and long-term monitoring. This paper proposed a self-sensing method for monopile scour based on ultra-weak Fiber Bragg Grating (UWFBG) sensing technology. The distributed strain data from the monopile are captured by the optical sensing cable, and the scour around the monopile is assessed by analyzing the strain distribution characteristics. The proposed method is validated through application to a wind farm located in the Bohai Sea, China. The results demonstrate that this method enables self-sensing of the monopile scour depth, and the scour-prone depth can be determined by analyzing the evolution of the strain curve. • A self-sensing method for monopile scour monitoring based on UWFBG is proposed. • The method enables efficient, accurate, and long-term monitoring of monopile scour. • The erosion-prone areas are identified by analyzing strain distribution characteristics. • Field validation was conducted at a wind farm in the Bohai Sea, China. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.oceaneng.2025.121606
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Fiber Bragg gratings
        Type: general
      – SubjectFull: Offshore wind power plants
        Type: general
      – SubjectFull: Wind power
        Type: general
      – SubjectFull: Wind power plants
        Type: general
      – SubjectFull: Mariculture
        Type: general
    Titles:
      – TitleFull: A local scour self-sensing method for offshore wind power monopile based on ultra-weak Fiber Bragg Grating.
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            NameFull: Han, Heming
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            NameFull: Shi, Bin
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            NameFull: Zha, Fusheng
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            NameFull: Wei, Guangqing
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            NameFull: Meng, Zhihao
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            – D: 01
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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              Value: 334
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