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Author:

Wang, Meng (Wang, Meng.) | Zhang, Wen -Qian (Zhang, Wen -Qian.) | Wang, Pi-Guang (Wang, Pi-Guang.) (Scholars:王丕光) | Du, Xiu-Li (Du, Xiu-Li.)

Indexed by:

EI Scopus SCIE

Abstract:

This paper investigated the vibration control problem of jacket offshore wind turbines (JOWTs) caused by multi-hazards including winds, waves, and earthquakes through amplifying damping transfer system (ADTS), which transfers the rotation of upper turbine tower to the jacket platform, making it convenient to install viscous dampers to dissipate external energy. Moreover, ADTS significantly amplifies the rotation deformation to fully drive the viscous damper. Different from traditional tuned mass damper (TMD) which may lose its effectiveness for higher modes, ADTS provides additional damping to both fundamental and higher modes of JOWT, resulting in better performance in resisting multiple hazards. For example, the displacements of turbine tower in JOWTs subjected to winds, waves, and earthquakes are mitigated by about 23.05%, 63.41%, and 48.96%, respectively; in the meantime, the turbine accelerations subjected to those hazards are also reduced by about 34.28%, 62.72%, and 35.27%. Moreover, ADTS also provides considerably response reduction effect to the supporting jacket of JOWTs.

Keyword:

Amplifying damping transfer system Multiple hazards Higher mode effect Tuned mass damper Jacket offshore wind turbine

Author Community:

  • [ 1 ] [Wang, Meng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Wen -Qian]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Pi-Guang]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Du, Xiu-Li]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Meng]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Wen -Qian]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 7 ] [Wang, Pi-Guang]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 8 ] [Du, Xiu-Li]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China

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Source :

OCEAN ENGINEERING

ISSN: 0029-8018

Year: 2023

Volume: 285

5 . 0 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count: 28

SCOPUS Cited Count: 30

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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